HomeMy WebLinkAboutMN Wetland class/Ident/delineation-2012 i
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D' . Project No. 2010027-03
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Natural RPesourcesaidg&the ErahvSharperironnieE Consulting
ECOLOGICAL RESOURCES
25580 Nclsinc Drive.Suite 100 • Shorowod.MN 55331
(952)471-1100 • (952)471-0007(Fax)
840 Old Crystal Bay Rd
Orono, MN
Wetland Classification, Identification, and
Delineation Report
Prepared for:
John Sonnek
Charles Cudd Builders
By:
Svoboda Ecological Resources
Project Number 2010-027
October 16, 2012
The contents and format of this report are considered intellectual property and
are subject to copyright restrictions and may not be reproduced without
the express permission of Svoboda Ecological Resources.
Contact Info
Phone: 952-471-1100
E-mail: franks@gpsinnovations.com
Table of Contents
ABSTRACT 1
INTRODUCTION 1
METHODS 1
RESULTS 2
DISCUSSION 4
RECOMMENDATIONS 5
CERTIFICATION 6
DATA SOURCES 7
LITERATURE REFERENCED 8
FIGURES:
Figure 1: Site Location Overlaid on Topographic Map
Figure 2: National Wetlands Inventory
Figure 3: Web Soil Survey-Hennepin County
Figure 4: DNR-Public Waters Map
Figure 5: Approximate Wetland Boundary and Sample Transect Location
TECHNICAL DOCUMENTS:
Field Data Sheets
Photo Log
Plant Indicator Status
Soil Series Data
Wetland Definition
ABSTRACT
Svoboda Ecological Resources (SER) visited the above referenced property on 10/15/12 to
examine the site for the presence of areas meeting wetland criteria. The study parcel is located
in Orono, MN, Hennepin County (Figure 1). Two wetland boundaries were delineated at this
site. One sample transect was established along each of the boundaries in order to characterize
the soil, vegetation, and existing hydrology within the wetland-to-upland transition zone.
INTRODUCTION
The subject parcel is approximately 4.92 acres and is dominated by terrace forest and grassland.
The topography of the site is relatively flat with gradually sloped forests on the eastern third of
the site with slopes ranging from 5-10 percent. The surrounding land consists of mostly suburban
single family homes (Figure 1). Currently the lot consists of one home with a storage barn. The
identified wetlands were classified according to the Cowardin et al., the Circular 39 and the
Eggers and Reed classification systems and marked with pink "Wetland Delineation" pin flags.
The Technical Documents section of this report contains field data sheets, plant indicator status
information, soil survey information, and wetland definition information.
METHODS
The methods used to delineate the subject parcel are as described in the 1987 US Army Corps of
Engineers Wetlands Delineation Manual and the 2010 Midwest Regional Supplement Manual. In
the 1987 Manual, the methods used were described under the "routine" methods for sites less
than 5 acres. This methodology is followed in order to assess whether the three parameters of a
wetland are met for areas on the subject parcel. The three parameters required under normal
circumstances in order to delineate a wetland are described in the Technical Documents section.
The Midwest Regional Supplement Wetland Delineation Manual is also being utilized to
increase the accuracy of our wetland boundaries. This addendum to the original 87 Manual was
created to address the many regional differences that affect wetlands and the delineation methods
used throughout the country. The following explanations are passages from that document.
"This Regional Supplement is part of a nationwide effort to address regional
wetland characteristics and improve the accuracy and efficiency of wetland-
delineation procedures. Regional differences in climate, geology, soils,
hydrology plant and animal communities,and other factors are important to the
identification and functioning of wetlands. These differences cannot be
considered adequately in a single national manual. The development of this
supplement follows National Academy of Sciences recommendations to increase
Svoboda Ecological Resources Charles Cudd Builders
Project Number: 2010-027 1 Orono,MN
the regional sensitivity of wetland-delineation methods (National Research
Council 1995).The intent of this supplement is to bring the Corps Manual up to
date with current knowledge and practice in the region and not to change
wetland boundaries." "...This Regional Supplement is designed for use with the
current version of the Corps Manual (Environmental Laboratory 1987) and all
subsequent versions. Where differences in the two documents occur, this
Regional Supplement takes precedence over the Corps Manual for applications
in the Midwest Region."
National Wetland Inventory (NWI) maps (Figure 2), Web Soil Survey of Hennepin County map
(Figure 3), Minnesota Public Waters Inventory maps (Figure 4), and 2010 aerial photographs
were reviewed prior to the site visit to identify areas that may be wetlands. Areas illustrating
evidence of wetland conditions were examined in greater detail during the field survey.
Vegetation, soils and hydrology were examined (as outlined in the 1987 Manual and the
Midwest Regional Supplement) and used to characterize wetland types and determine wetland
boundaries. One sample transect was established in a representative wetland-to-upland transition
zone in order to characterize the vegetation, soils, and hydrology of the site. A transect consists
of a representative upland sample point and representative wetland sample point. Information
obtained at the sample points can be found on the field data sheets located in the Technical
Documents section.
Hydrophytic status of plants was based on the National Wetland Plant List issued on May 15,
2012 and effective June 1, 2012 and as characterized by the plant status on the Excel Midwest
Region data sheet provided by the US Army Corps of Engineers, St. Paul District.
Wetland boundaries were marked at the site by pink "Wetland Delineation" pin flags. The
wetland boundary is considered to be the topographically highest extent of the wetland basin;
areas below the staked boundary met the three required wetland criteria while areas above were
lacking in one or more of these criteria. Wetlands were classified in accordance with methods
described by Cowardin et al. (1979) and used in the NWI (e.g. PEMB, PSS1C, etc.), completed
by the U.S. Fish and Wildlife Service. The Circular 39 and Eggers and Reed classification
systems are also given. The indicator status of plants, as described in the Technical Documents
section, was determined using the National List of Plant Species That Occur in Wetlands —
Midwest Region(Lichvar, Robert W. and John T. Kartesz 2009).
RESULTS
The National Wetland Inventory indicates the presence of no wetlands within the study area
(Figure 2).
The Web Soil Survey of Hennepin County (Figure 3) identified four soil map units within the
study area; the Lester loam morainic, Glencoe loam, Angus loam, and the Hamel-Glencoe soil.
The Lester loam morainic,Angus loam and, Hamel-Glencoe are considered to be partially hydric
and the Glencoe loam is hydric. According to the Natural Resources Conservation Service
Svoboda Ecological Resources Charles Cudd Builders
Project Number: 2010-027 2 Orono,MN
(NRCS), partially hydric means that "at least one component of the map unit is rated as hydric,
and at least one component is rated as not hydric." Soil series descriptions are provided in the
Technical Documents section.
The Minnesota Department of Natural Resources, (Public Water Inventory) indicates no public
water within the study area (Figure 4). This property is adjacent to public water located just
outside the project boundaries. That public water is French Marsh(27-140P).
Site Visit
SER ecologists examined the subject property for areas meeting jurisdictional wetland criteria
during the site visit. Two areas meeting the jurisdictional criteria of a wetland were flagged, and
the boundary determined and delineated. The approximate wetland boundary is outlined in
yellow(Figure 5).
Wetland 1 is a Type 3 PEMCd shallow marsh. The vegetation at sample point 1-1 UP consisted
of reed canary grass (Phalaris arundinacea, FAW), Kentucky bluegrass (Poa pratensis, FAC),
and ground ivy (Glechoma hederacea, FACU). At sample point 1-1 WET the vegetation
consisted of an herb layer of reed canary grass (Phalaris arundinacea, FACW) and broad leaf
cattail (Typha latifolia, OBL). The transition from wetland to upland is characterized, in part, by
this vegetative change.
The soils at sample point 1-1 UP consisted of an initial 11 inches of 10YR 3/1 silt loam followed
by a second horizon that was from 11-31 inches and was a 10YR 3/1 silt clay loam. The third
horizon was from 31-36 inches and consisted of 10YR 4/1 sandy clay loam with 5 percent 7.5YR
4/6 redoximorphic concentrations in the matrix. The soils at sample point 1-1 WET consisted of
an initial 12 inches of 10YR 2/1 silt clay loam followed by 12-16 inches of 10YR 2/1 silt clay.
The third horizon was from 16-23 inches and had a 10YR 3/1 silt clay followed by 23-30 inches
of 10YR 4/1 sandy clay loam with 5 percent 7.5 YR 4/6 redoximorphic concentrations in the
matrix. Hydric soil indicator Al2 (Thick Dark Surface) was observed at the wetland sample
point.
Wetland hydrology was observed at sample point 1-1 WET. Indicators B6 (Surface Soil Cracks)
and D2 (Geomorphic Position)were present.
Wetland 2 is a Type 1/2 PFOA/PEMBd seasonally flooded basin and wet meadow wetland
complex. Wetland 2 is a ditched flow-through wetland with hydrologic connections from the
north and flowing down stream to the south. The ditched area extends in a north-south direction
through the center of the basin along the west side of the tree line. The vegetation at sample point
2-1 UP consisted of Kentucky bluegrass (Poa pratensis, FAC) and ground ivy (Glechoma
hederacea, FACU). At sample point 2-1 WET the vegetation consisted of green ash (Fraxinus
pennsylvanica, FACW), buckthorn(Rhamnus cathartica, FAC), and an herb layer of reed canary
grass (Phalaris arundinacea, FACW). The transition from wetland to upland is characterized, in
part,by this vegetative change.
Svoboda Ecological Resources Charles Cudd Builders
Project Number: 2010-027 3 Orono,MN
The soils at sample point 2-1 UP consisted of an initial 12 inches of 10YR 3/1 silt loam followed
by a second horizon that was from 12-26 inches and was a 10YR 3/1 silt clay loam. The third
horizon was from 26-32 inches and consisted of 10YR 5/1 sandy clay loam with 10 percent
10YR 5/8 redoximorphic concentrations in the matrix. The soils at sample point 2-1 WET
consisted of an initial 8 inches of 10YR 2/1 silt clay loam followed by 8-20 inches of 10YR 2/1
silt clay loam. The third horizon and final horizon was from 20-30 inches and had a 10YR 5/1
fine sandy clay loam texture with 20 percent 10 YR 5/8 redoximorphic concentrations in the
matrix. Hydric soil indicator Al2 (Thick Dark Surface) was observed at the wetland sample
point.
Wetland hydrology was observed at sample point 2-1 WET. Indicators B6 (Surface Soil Cracks)
and D2 (Geomorphic Position)were present.
Detailed soils, vegetation, and hydrology data for the delineated jurisdictional wetlands are
provided in the data sheets of the Technical Documents section.
DISCUSSION
The site was previously delineated on August 30, 2010 by Brian Burgner of Svoboda Ecological
Resources. Four wetlands were identified at the time. In October 2012, SER was asked to
complete a MNRAM for three of the four wetlands which were not mapped on the Orono and
Minnehaha Creek Watershed District wetland inventory maps and consequently lacked wetland
management classifications.
During the field visit to collect data for the completion of the MNRAM analysis, SER decided to
re-evaluate the wetlands previously delineated. The reason for this was two-fold. A revised
version of the regional supplement data forms and guidance manual were released just after the
previous delineation was completed. Also, in June 2012 a new, far more comprehensive national
wetland hydrophytic plant status list was released which is now mandatory to use. Given these
changes and the need for the MNRAM, we felt that it was prudent to reassess the wetland type
and boundary in order to more accurately complete the MNRAM assessment.
It has been our experience over the past several months in using the revised manual and data
forms as well as the revised national hydrophytic plant list that wetland type and boundary
determinations can be more accurately made than with the past versions. For this reason we felt
it prudent to re-evaluate the prior delineation.
The re-delineation resulted in only two wetlands on the property instead of four. Previous
Wetlands 1 and 3 no longer meet wetland criteria. Wetlands 2 and 4 continue to satisfy wetland
criteria but the boundaries have changed to some extent.
SER completed all on-site delineations based on the three required technical criteria as outlined
by the 1987 Manual and the current version of the Midwest Regional Supplement: the presence
of hydric soils, a predominance of hydrophytic vegetation, and indicators of wetland hydrology
Svoboda Ecological Resources Charles Cudd Builders
Project Number: 2010-027 4 Orono,MN
in each basin. The site visit portion of the wetland delineation was completed on 10/15/12.
Two additional sample points were taken during the site visit to investigate areas that were
considered to be wetland. After reviewing the data, the two areas are considered to be uplands
based on the soils, vegetation and hydrology indicator criteria. Each lacked one or more
indicators to meet the wetland criteria. Detailed soils, vegetation, and hydrology data for the
sample points are provided in the data sheets of the Technical Documents section.
SER personnel examined the subject property for areas meeting jurisdictional wetland criteria
during the site visit and delineated the edge of two basins as being jurisdictional wetlands
(Figure 5). Detailed soils, vegetation and hydrology data is provided in the data sheets of the
Technical Documents section. A set of figures is provided in the Figures section.
RECOMMENDATIONS
Activities that impact or could potentially impact wetlands are regulated at several levels of
government. In Minnesota, the two primary jurisdictions are covered at the state and federal
levels by the provisions of the following legislative actions.
➢ State jurisdiction by the Wetland Conservation Act of 1991 (WCA) administered
by the WCA Local Governmental Unit(LGU).
➢ Federal jurisdiction by the Clean Water Act of 1972 and subsequent amendments.
Wetland protection is implemented by the Corps of Engineers(Corps)with permit
certification issued by the Environmental Protection Agency.
While the wetland boundaries that SER has delineated are not official until approved by a WCA
approved local government unit (LGU), SER advises the property owner/developer to refrain
from any filling, draining, or excavating, or any impact to the area SER has delineated as
wetland. No grading or filling in wetland basins should commence until all necessary permits
have been obtained. Violation of wetland regulations may result in substantial civil and criminal
penalties. Local ordinances may regulate wetland modifications such as brush and tree removal
and burning in addition to grading and filling. Depending on the location of the property, buffers
around the wetland may also be protected. Any activities in the proximity of the wetland should
be cleared with appropriate WCA regulatory agencies. It is also advisable to have the wetland
boundary surveyed by a licensed land surveyor. Since the pin flags used along the boundary can
be vandalized or inadvertently knocked over, a GPS survey of the flags will assure the
permanence of the boundary. The client should also be aware that according to current BWSR
and COE wetland rules and regulations approved wetland boundaries are typically valid for five
years from the date of approval.
To avoid project delays associated with wetland regulations, it is essential that you acquire
necessary permits from all jurisdictional agencies before initiating activities. A WCA
Svoboda Ecological Resources Charles Cudd Builders
Project Number: 2010-027 5 Orono,MN
Sequencing form, a WCA and Army Corps of Engineers Replacement Plan Application form,
and a DNR permit application are among the materials that you may be required to submit if
impacts are proposed for the delineated wetlands. By initiating the permit process as soon as
possible,potential costly delays to the project may be avoided.
CERTIFICATION
Blair Bollig completed the above-described delineation on 10/15/12. This delineation was
performed according to the procedures described by the US Army Corps of Engineers in the
1987 Wetlands Delineation Manual and the 2010 Midwest Region Supplement Wetland
Delineation Manual. The delineation meets the standards and a criterion described in these
manuals and conforms to the applicable standards and regulations in force at the time the
delineation was completed.
Report and graphics were prepared by David Haar(GIS Specialist)on this day 10/16/12. The
delineation report was reviewed by Frank Svoboda, President of Svoboda Ecological Resources.
Client: John Sonnek
Project Name: 840 Old Crystal Bay Rd
Project No.: 2010-027
Location: Orono, MN
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Wetland Ecologist I
t-asse)
GIS Specialist
President, Svoboda Ecological Resources
10/16/12
Date
Svoboda Ecological Resources Charles Cudd Builders
Project Number: 2010-027 6 Orono,MN
DATA SOURCES
Minnesota Department of Natural Resources, Public Waters Inventory Basin Delineations,
Published 7/31/2008 and retrieved from http://deli.dnr.state.mn.us
United States Fish and Wildlife Service National Wetland Inventory Map. Retrieved from
http://www.fws.gov/wetlands/Data/Mapper.html on 06/19/12.
2010 Aerial Color Photos. Publicly Distributed by MN Geo WMS Service.
Topographic maps obtained via the National Geographic Society's USA Topo service through
ESRI.
Web Soil Survey for Hennepin County, MN. Retrieved from
http://websoilsurvey.nrcs.usda.gov/app/HomePage.htm
Svoboda Ecological Resources Charles Cudd Builders
Project Number: 2010-027 7 Orono,MN
LITERATURE REFERENCED
Cowardin, L.M.,V. Carter, F.C. Golet, and R.T. LaRoe. 1979. Classification of Wetlands and
Deepwater Habitats of the United States. U.S. Fish and Wildlife Service, FWS/OBS-79/31.
103pp.
Eggers, Steve D., and Donald M. Reed. 2011. Wetland plants and communities of Minnesota
and Wisconsin, Third Edition. U.S. Army Corps of Engineers, St. Paul District.
http://www.mvp.usace.anny.mil/environment/
Environmental Laboratory. 1987. 1987 U.S. Army Corps of Engineers Wetlands Delineation
Manual. Technical Report Y-87-1,US Army Engineer Waterways Experiment Station,
Vicksburg,Mississippi.
Gleason, H.A. and A.C. Cronquist. 1991.Manual of Vascular Plants of Northeastern United
States and Adjacent Canada.New York Botanical Garden, Bronx. 910pp.
Robert W. Lichvar and John T. Kartesz. 2009.North American Digital Flora: National Wetland
Plant List,version 2.4.0 (https://wetland_plants.usace.army.mil). U.S. Army Corps of Engineers,
Engineer Research and Development Center, Cold Regions Research and Engineering
Laboratory, Hanover,NH, and BONAP, Chapel Hill,NC.
Shaw, S.P., and C.G. Fredine. 1956. Wetlands of the United States. U.S. Fish and Wildlife
Service, Circular 39. 67pp.
U.S. Army Corps of Engineers. August 2010. Regional Supplement to the Corps of Engineers
Wetland Delineation Manual: Midwest(Version 2.0). ERDC/EL TR-10-16. Vicksburg, MS:
US Army Engineer Research and Development Center.
Svoboda Ecological Resources Charles Cudd Builders
Project Number: 2010-027 8 Orono,MN
FIGURES
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THE TECHNICAL DOCUMENTATION SECTION
Field Data Sheets
WETLAND DETERMINATION DATA FORM-Midwest Region
Project/Site 840 Old Crystal Bay Road City/County: Orono/Hennepin Sampling Date: 10/15/12
Applicant/Owner: John Sonnek/Charles Cudd Builders State: MN Sampling Point: 1-1 Upl
Investigator(s): Blair Bollig Section,Township,Range: Sec 9,T117N,R23W
Landform(hillslope,terrace,etc.): Footslope Local relief(concave,convex,none): Concave
Slope(%): 2-4% Lat: Long: Datum:
Soil Map Unit Name Hamel-Glencoe qW1 Classification: None
Are climatic/hydrologic conditions of the site typical for this time of the year? Y (If no,explain in remarks)
Are vegetation ,soil ,or hydrology significantly disturbed? Are"normal circumstances"
Are vegetation ,soil ,or hydrology naturally problematic? present? Yes
SUMMARY OF FINDINGS (If needed,explain any answers in remarks.)
Hydrophytic vegetation present? Y
Hydric soil present? N Is the sampled area within a wetlarn N
Wetland hydrology present? N f yes,optional wetland site ID:
Remarks:(Explain alternative procedures here or in a separate report.)
VEGETATION--Use scientific names of plants.
Absolute Dominan Indicator Dominance Test Worksheet
Tree Stratum (Plot size: 30 ) %Cover t Species Staus Number of Dominant Species
1 that are OBL,FACW,or FAC: 2 (A)
2 Total Number of Dominant
3 Species Across all Strata: 2 (B)
4 Percent of Dominant Species
5 that are OBL,FACW,or FAC: 100.00% (A/B)
0 =Total Cover
Saplina/Shrub straturr (Plot size: 15 ) Prevalence Index Worksheet
1 Total%Cover of:
2 OBL species 0 x 1 = 0
3 FACW species 50 x 2= 100
4 FAC species 20 x 3= 60
5 FACU species 5 x 4= 20
0 =Total Cover UPL species 0 x 5= 0
Herb stratum (Plot size: 5 ) Column totals 75 (A) 180 (B)
1 Phalaris arundinacea 50 Y FACW Prevalence Index=B/A= 2.40
2 Poa pratensis 20 Y FAC
3 Glechoma hederacea 5 N FACU Hydrophytic Vegetation Indicators:
4 _Rapid test for hydrophytic vegetation
5 X Dominance test is>50%
6 X Prevalence index is 53.0*
7 Morphogical adaptations*(provide
8 supporting data in Remarks or on a
9 _separate sheet)
10 Problematic hydrophytic vegetation*
75 =Total Cover (explain)
Woody vine stratum (Plot size: 30 ) "Indicators of hydric soil and wetland hydrology must be
1 present,unless disturbed or problematic
2 Hydrophytic
0 =Total Cover vegetation
present? Y
Remarks:(Include photo numbers here or on a separate sheet)
US Amy Corps of Engineers Midwest Region
SOIL Sampling Point: 1-1 Upl
Profile Description: (Describe to the depth needed to document the indicator or confirm the absence of indicators.)
Depth Matrix Redox Features
(Inches) Color(moist) % Color(moist) % Type* Loc*" Texture Remarks
11 10YR 3/1 100 Silt Loam
31 10YR 3/1 100 Silt Clay Loam
36 10YR 4/1 95 7.5YR 4/6 5 C M Sandy Clay Loam
*Type:C=Concentration,D=Depletion,RM=Reduced Matrix,MS=Masked Sand Grains. **Location:PL=Pore Lining,M=Matrix
Hydric Soil Indicators: Indicators for Problematic Hydric Soils:
_Histisol(Al) _Sandy Gleyed Matrix(S4) _Coast Prairie Redox(A16)(LRR K,L,R)
_Histic Epipedon(A2) _Sandy Redox(S5) _Dark Surface(S7)(LRR K,L)
_Black Histic(A3) _Stripped Matrix(S6) _5 cm Mucky Peat or Peat(S3)(LRR K,L,R)
_Hydrogen Sulfide(A4) _Loamy Mucky Mineral(F1) _Iron-Manganese Masses(F12)(LRR K,L,R)
_Stratified Layers(A5) _Loamy Gleyed Matrix(F2) _Very Shallow Dark Surface(TF12)
2 cm Muck(A10) _Depleted Matrix(F3) _Other(explain in remarks)
_Depleted Below Dark Surface(Al 1) _Redox Dark Surface(F6)
_Thick Dark Surface(Al2) _Depleted Dark Surface(F7) *Indicators of hydrophytic vegetation and weltand
_Sandy Mucky Mineral(S1) _Redox Depressions(F8) hydrology must be present,unless disturbed or
5 cm Mucky Peat or Peat(S3) problematic
Restrictive Layer(if observed):
Type: Hydric soil present? N
Depth(inches):
Remarks:
HYDROLOGY
Wetland Hydrology Indicators:
Primary Indicators(minimum of one is required:check all that apply) Secondary Indicators(minimum of two required)
_Surface Water(Al) _Aquatic Fauna(B13) _Surface Soil Cracks(B6)
_High Water Table(A2) _True Aquatic Plants(B14) _Drainage Patterns(B10)
_Saturation(A3) _Hydrogen Sulfide Odor(Cl) _Dry-Season Water Table(C2)
_Water Marks(B1) Oxidized Rhizospheres on Living Roots_Crayfish Burrows(C8)
_Sediment Deposits(B2) (C3) _Saturation Visible on Aerial Imagery(C9)
_Drift Deposits(B3) _Presence of Reduced Iron(C4) _Stunted or Stressed Plants(D1)
_Algal Mat or Crust(B4) Recent Iron Reduction in Tilled Soils _Geomorphic Position(D2)
_Iron Deposits(B5) _(C6) _FAC-Neutral Test(D5)
Inundation Visible on Aerial Imagery(B7) _Thin Muck Surface(C7)
_Sparsely Vegetated Concave Surface(B8) _Gauge or Well Data(D9)
_Water-Stained Leaves(89) _Other(Explain in Remarks)
Field Observations:
Surface water present? Yes No X Depth(inches): Wetland
Water table present? Yes No X Depth(inches): hydrology
Saturation present? Yes No X Depth(inches): present? N
(includes capillary fringe)
Describe recorded data(stream gauge,monitoring well,aerial photos,previous inspections),if available:
Remarks:
US Army Corps of Engineers Midwest Region
WETLAND DETERMINATION DATA FORM -Midwest Region
Project/Site 840 Old Crystal Bay Road City/County: Orono/Hennepin Sampling Date: 10/15/12
Applicant/Owner: John Sonnek/Charles Cudd Builders State: MN Sampling Point: 1-1 wet
Investigator(s): Blair Bollig Section,Township,Range: Sec 9,T117N,R23W
Landform(hillslope,terrace,etc.): Toeslope Local relief(concave,convex,none): Concave
Slope(%): 0-2% Lat: Long: Datum:
Soil Map Unit Name Hamel-Glencoe VW!Classification: None
Are climatic/hydrologic conditions of the site typical for this time of the year? Y (If no,explain in remarks)
Are vegetation ,soil ,or hydrology significantly disturbed? Are"normal circumstances"
Are vegetation ,soil ,or hydrology naturally problematic? present? Yes
SUMMARY OF FINDINGS (If needed,explain any answers in remarks.)
Hydrophytic vegetation present? Y
Hydric soil present? Y Is the sampled area within a wetlan Y
Wetland hydrology present? Y f yes,optional wetland site ID:
Remarks:(Explain alternative procedures here or in a separate report.)
VEGETATION--Use scientific names of plants.
Absolute Dominan Indicator Dominance Test Worksheet
Tree Stratum (Plot size: 30 ) %Cover t Species Staus Number of Dominant Species
1 that are OBL,FACW,or FAC: 2 (A)
2 Total Number of Dominant
3 Species Across all Strata: 2 (B)
4 Percent of Dominant Species
5 that are OBL,FACW,or FAC: 100.00% (NB)
0 =Total Cover
Sapling/Shrub stratum (Plot size: 15 ) Prevalence Index Worksheet
1 Total%Cover of:
2 OBL species 60 x 1 = 60
3 FACW species 20 x 2= 40
4 FAC species 0 x 3= 0
5 FACU species 0 x 4= 0
0 =Total Cover UPL species 0 x 5= 0
Herb stratum (Plot size: 5 ) Column totals 80 (A) 100 (B)
1 Typha latifolia 60 Y OBL Prevalence Index=B/A= 1.25
2 Phalaris arundinacea 20 Y FACW
3 Hydrophytic Vegetation Indicators:
4 _Rapid test for hydrophytic vegetation
5 X Dominance test is>50%
6 X Prevalence index is. 3.0*
7 Morphogical adaptations*(provide
8 supporting data in Remarks or on a
9 _separate sheet)
10 Problematic hydrophytic vegetation*
80 =Total Cover (explain)
Woody vine stratum (Plot size: 30 ) 'Indicators of hydric soil and wetland hydrology must be
1 present,unless disturbed or problematic
2 Hydrophytic
0 =Total Cover vegetation
present? Y
Remarks:(Include photo numbers here or on a separate sheet)
US Amy Corps of Engineers Midwest Region
SOIL Sampling Point: 1-1 wet
Profile Description: (Describe to the depth needed to document the indicator or confirm the absence of indicators.)
Depth Matrix Redox Features
(Inches) Color(moist) % Color(moist) % Type* Loc** Texture Remarks
12 10YR 2/1 100 Silt Clay Loam
16 10YR 2/1 100 Silt Clay
23 10YR 3/1 100 Silt Clay
30 10YR 4/1 95 7.5YR 4/6 95 C M Sandy Clay Loam
*Type:C=Concentration,D=Depletion,RM=Reduced Matrix,MS=Masked Sand Grains. **Location:PL=Pore Lining,M=Matrix
Hydric Soil Indicators: Indicators for Problematic Hydric Soils:
_Histisol(Al) _Sandy Gleyed Matrix(S4) _Coast Prairie Redox(A16)(LRR K,L,R)
Histic Epipedon(A2) _Sandy Redox(S5) _Dark Surface(S7)(LRR K,L)
_Black Histic(A3) _Stripped Matrix(S6) 5 cm Mucky Peat or Peat(S3)(LRR K,L,R)
_Hydrogen Sulfide(A4) _Loamy Mucky Mineral(F1) _Iron-Manganese Masses(F12)(LRR K,L,R)
_Stratified Layers(A5) _Loamy Gleyed Matrix(F2) _Very Shallow Dark Surface(TF12)
2 cm Muck(A10) _Depleted Matrix(F3) _Other(explain in remarks)
Depleted Below Dark Surface(A11) _Redox Dark Surface(F6)
X Thick Dark Surface(Al2) _Depleted Dark Surface(F7) *Indicators of hydrophytic vegetation and weltand
_Sandy Mucky Mineral(Si) _Redox Depressions(F8) hydrology must be present,unless disturbed or
5 cm Mucky Peat or Peat(S3) problematic
Restrictive Layer(if observed):
Type: Hydric soil present? Y
Depth(inches):
Remarks:
HYDROLOGY
Wetland Hydrology Indicators:
Primary Indicators(minimum of one is required:check all that apply) Secondary Indicators(minimum of two required)
_Surface Water(Al) _Aquatic Fauna(B13) X Surface Soil Cracks(B6)
_High Water Table(A2) _True Aquatic Plants(B14) _Drainage Patterns(B10)
_Saturation(A3) _Hydrogen Sulfide Odor(Cl) _Dry-Season Water Table(C2)
_Water Marks(B1) Oxidized Rhizospheres on Living Roots_Crayfish Burrows(C8)
_Sediment Deposits(B2) (C3) _Saturation Visible on Aerial Imagery(C9)
_Drift Deposits(B3) _Presence of Reduced Iron(C4) Stunted or Stressed Plants(D1)
_Algal Mat or Crust(B4) Recent Iron Reduction in Tilled Soils X Geomorphic Position(D2)
_Iron Deposits(B5) _(C6) _FAC-Neutral Test(D5)
Inundation Visible on Aerial Imagery(B7) _Thin Muck Surface(C7)
_Sparsely Vegetated Concave Surface(B8) _Gauge or Well Data(D9)
_Water-Stained Leaves(89) _Other(Explain in Remarks)
Field Observations:
Surface water present? Yes No X Depth(inches): Wetland
Water table present? Yes No X Depth(inches): hydrology
Saturation present? Yes No X Depth(inches): present? Y
(includes capillary fringe)
Describe recorded data(stream gauge,monitoring well,aerial photos,previous inspections),if available:
Remarks:
US Army Corps of Engineers Midwest Region
WETLAND DETERMINATION DATA FORM-Midwest Region
Project/Site 840 Old Crystal Bay Road City/County: Orono/Hennepin Sampling Date: 10/15/12
Applicant/Owner: John Sonnek/Charles Cudd Builders State: MN Sampling Point: 2-1 Upl
Investigator(s): Blair Bollig Section,Township,Range: Sec 9,T117N,R23W
Landform(hillslope,terrace,etc.): Foot Slope Local relief(concave,convex,none): Concave
Slope(%): 5% Lat: Long: Datum:
Soil Map Unit Name Lester Loam Moraninic VWI Classification: None
Are climatic/hydrologic conditions of the site typical for this time of the year? Y (If no,explain in remarks)
Are vegetation ,soil ,or hydrology significantly disturbed? Are"normal circumstances"
Are vegetation ,soil ,or hydrology naturally problematic? present? Yes
SUMMARY OF FINDINGS (If needed,explain any answers in remarks.)
Hydrophytic vegetation present? N
Hydric soil present? N Is the sampled area within a wetlanf N
Wetland hydrology present? N f yes,optional wetland site ID:
Remarks:(Explain alternative procedures here or in a separate report.)
VEGETATION--Use scientific names of plants.
Absolute Dominan Indicator Dominance Test Worksheet
Tree Stratum (Plot size: 30 ) %Cover t Species Staus Number of Dominant Species
1 that are OBL,FACW,or FAC: 1 (A)
2 Total Number of Dominant
3 Species Across all Strata: 2 (B)
4 Percent of Dominant Species
5 that are OBL,FACW,or FAC: 50.00% (NB)
0 =Total Cover
Sapling/Shrub straturr (Plot size: 15 ) Prevalence Index Worksheet
1 Total%Cover of:
2 OBL species 0 x 1 = 0
3 FACW species 0 x 2= 0
4 FAC species 40 x 3= 120
5 FACU species 20 x 4= 80
0 =Total Cover UPL species 0 x 5= 0
Herb stratum (Plot size: 5 ) Column totals 60 (A) 200 (B)
1 Poa pratensis 40 Y FAC Prevalence Index=B/A= 3.33
2 Glechoma hederacea 20 Y FACU
3 Hydrophytic Vegetation Indicators:
4 _Rapid test for hydrophytic vegetation
5 _Dominance test is>50%
6 Prevalence index is 53.0*
7 Morphogical adaptations*(provide
8 supporting data in Remarks or on a
9 _separate sheet)
10 Problematic hydrophytic vegetation*
60 =Total Cover (explain)
Woody vine stratum (Plot size: 30 ) *Indicators of hydric soil and wetland hydrology must be
1 present,unless disturbed or problematic
2 Hydrophytic
0 =Total Cover vegetation
present? N
Remarks:(Include photo numbers here or on a separate sheet)
US Amy Corps of Engineers Midwest Region
SOIL Sampling Point: 2-1 UpI
Profile Description: (Describe to the depth needed to document the indicator or confirm the absence of indicators.)
Depth Matrix Redox Features
(Inches) Color(moist) % Color(moist) % Type* Loc** Texture Remarks
12 10YR 3/1 100 Silt Loam
26 10YR 3/1 100 Silt Clay Loam
32 10YR 5/1 90 10YR 5/8 10 C M Fine Sandy Clay Loam
*Type:C=Concentration,D=Depletion,RM=Reduced Matrix,MS=Masked Sand Grains. **Location:PL=Pore Lining,M=Matrix
Hydric Soil Indicators: Indicators for Problematic Hydric Soils:
Histisol(Al) _Sandy Gleyed Matrix(S4) _Coast Prairie Redox(A16)(LRR K,L,R)
Histic Epipedon(A2) _ ppeSandy Redox(S5) _Dark Surface(S7)(LRR K,L)
_Black Histic(A3) _Strid Matrix(S6) _5 cm Mucky Peat or Peat(S3)(LRR K,L,R)
_Hydrogen Sulfide(A4) _Loamy Mucky Mineral(F1) _Iron-Manganese Masses(F12)(LRR K,L,R)
_Stratified Layers(A5) _Loamy Gleyed Matrix(F2) _Very Shallow Dark Surface(TF12)
2 cm Muck(A10) _Depleted Matrix(F3) _Other(explain in remarks)
_Depleted Below Dark Surface(A11) Redox Dark Surface(F6)
_
_Thick Dark Surface(Al2) _Depleted Dark Surface(F7) *Indicators of hydrophytic vegetation and weltand
_Sandy Mucky Mineral(S1) _Redox Depressions(F8) hydrology must be present,unless disturbed or
5 cm Mucky Peat or Peat(S3) problematic
Restrictive Layer(if observed):
Type: Hydric soil present? N
Depth(inches):
Remarks:
HYDROLOGY
Wetland Hydrology Indicators:
Primary Indicators(minimum of one is required:check all that amply) Secondary Indicators(minimum of two required)
_Surface Water(A1) _Aquatic Fauna(B13) _Surface Soil Cracks(B6)
_High Water Table(A2) _True Aquatic Plants(B14) _Drainage Patterns(B10)
_Saturation(A3) _Hydrogen Sulfide Odor(Cl) _Dry-Season Water Table(C2)
_Water Marks(B1) Oxidized Rhizospheres on Living Roots_Crayfish Burrows(C8)
—Sediment Deposits(B2) (C3) _Saturation Visible on Aerial Imagery(C9)
_Drift Deposits(B3) _Presence of Reduced Iron(C4) _Stunted or Stressed Plants(D1)
_Algal Mat or Crust(B4) Recent Iron Reduction in Tilled Soils _Geomorphic Position(D2)
_Iron Deposits(B5) _(C6) _FAC-Neutral Test(D5)
Inundation Visible on Aerial Imagery(B7) _Thin Muck Surface(C7)
Sparsely Vegetated Concave Surface(B8) Gauge or Well Data(D9)
Water-Stained Leaves(B9) _Other(Explain in Remarks)
Field Observations:
Surface water present? Yes No X Depth(inches): Wetland
Water table present? Yes No M Depth(inches): hydrology
Saturation present? Yes No X Depth(inches): present? N
(includes capillary fringe)
Describe recorded data(stream gauge,monitoring well,aerial photos,previous inspections),if available:
Remarks:
US Army Corps of Engineers Midwest Region
WETLAND DETERMINATION DATA FORM-Midwest Region
Project/Site 840 Old Crystal Bay Road City/County: Orono/Hennepin Sampling Date: 10/15/12
Applicant/Owner: John Sonnek/Charles Cudd Builders State: MN Sampling Point: 2-1 Wet
Investigator(s): Blair Bollig Section,Township,Range: Sec 9,T117N,R23W
Landform(hillslope,terrace,etc.): Foot Slope Local relief(concave,convex,none): Concave
Slope(%): 0-2% Lat: Long: Datum:
Soil Map Unit Name Lester Loam Moraninic VW!Classification: None
Are climatic/hydrologic conditions of the site typical for this time of the year? Y (If no,explain in remarks)
Are vegetation ,soil ,or hydrology significantly disturbed? Are"normal circumstances"
Are vegetation ,soil ,or hydrology naturally problematic? present? Yes
SUMMARY OF FINDINGS (If needed,explain any answers in remarks.)
Hydrophytic vegetation present? Y
Hydric soil present? Y Is the sampled area within a wetlanl Y
Wetland hydrology present? Y f yes,optional wetland site ID:
Remarks:(Explain alternative procedures here or in a separate report.)
VEGETATION--Use scientific names of plants.
Absolute Dominan Indicator Dominance Test Worksheet
Tree Stratum (Plot size: 30 ) %Cover t Species Staus Number of Dominant Species
1 Fraxinus pennsylvanica 20 Y FACW that are OBL,FACW,or FAC: 3 (A)
2 Total Number of Dominant
3 Species Across all Strata: 3 (B)
4 Percent of Dominant Species
5 that are OBL,FACW,or FAC: 100.00% (A/B)
20 =Total Cover
Saplina/Shrub straturr (Plot size: 15 ) Prevalence Index Worksheet
1 Rhamnus cathartica 5 Y FAC Total%Cover of:
2 OBL species 0 x 1 = 0
3 FACW species 90 x 2= 180
4 FAC species 5 x 3= 15
5 FACU species 0 x 4= 0
5 Total Cover UPL species 0 x 5= 0
Herb stratum (Plot size: 5 ) Column totals 95 (A) 195 (B)
1 Phalaris arundinacea 70 Y FACW Prevalence Index=B/A= 2.05
2
3 Hydrophytic Vegetation Indicators:
4 _Rapid test for hydrophytic vegetation
5 X Dominance test is>50%
6 X Prevalence index is 53.0*
7 Morphogical adaptations*(provide
8 supporting data in Remarks or on a
9 separate sheet)
10 Problematic hydrophytic vegetation*
70 =Total Cover _(explain)
Woody vine stratum (Plot size: 30 ) *Indicators of hydric soil and wetland hydrology must be
1 present,unless disturbed or problematic
2 Hydrophytic
0 =Total Cover vegetation
present? Y
Remarks:(Include photo numbers here or on a separate sheet)
US Amy Corps of Engineers Midwest Region
SOIL Sampling Point: 2-1 Wet
Profile Description: (Describe to the depth needed to document the indicator or confirm the absence of indicators.)
Depth Matrix Redox Features
(Inches) Color(moist) % Color(moist) % Type* Loc** Texture Remarks
8 10YR 2/1 100 Silt Loam
20 10YR 2/1 100 Silt Clay Loam
30 10YR 5/1 80 10YR 5/8 20 C M Fine Sandy Clay Loam
*Type:C=Concentration,D=Depletion,RM=Reduced Matrix,MS=Masked Sand Grains. **Location:PL=Pore Lining,M=Matrix
Hydric Soil Indicators: Indicators for Problematic Hydric Soils:
Histisol(Al) _Sandy Gleyed Matrix(S4) _Coast Prairie Redox(A16)(LRR K,L,R)
_Histic Epipedon(A2) _Sandy Redox(S5) _Dark Surface(S7)(LRR K,L)
_Black Histic(A3) _Stripped Matrix(S6) _5 cm Mucky Peat or Peat(S3)(LRR K,L,R)
_Hydrogen Sulfide(A4) Loamy Mucky Mineral(F1) _Iron-Manganese Masses(F12)(LRR K,L,R)
_
_Stratified Layers(A5) _Loamy Gleyed Matrix(F2) _Very Shallow Dark Surface(TF12)
2 cm Muck(A10) _Depleted Matrix(F3) _Other(explain in remarks)
X Depleted Below Dark Surface(A11) _Redox Dark Surface(F6)
_Thick Dark Surface(Al2) _Depleted Dark Surface(F7) *Indicators of hydrophytic vegetation and weltand
_Sandy Mucky Mineral(S1) _Redox Depressions(F8) hydrology must be present,unless disturbed or
5 cm Mucky Peat or Peat(S3) problematic
Restrictive Layer(if observed):
Type: Hydric soil present? Y
Depth(inches):
Remarks:
HYDROLOGY
Wetland Hydrology Indicators:
Primary Indicators(minimum of one is required:check all that aooly) Secondary Indicators(minimum of two required)
—Surface Water(Al) _Aquatic Fauna(B13) X Surface Soil Cracks(B6)
_High Water Table(A2) _True Aquatic Plants(B14) _Drainage Pattems(B10)
_Saturation(A3) _Hydrogen Sulfide Odor(Cl) _Dry-Season Water Table(C2)
_Water Marks(B1) Oxidized Rhizospheres on Living Roots_Crayfish Burrows(C8)
_Sediment Deposits(B2) _(C3) _Saturation Visible on Aerial Imagery(C9)
_Drift Deposits(B3) _Presence of Reduced Iron(C4) Stunted or Stressed Plants(D1)
_Algal Mat or Crust(B4) Recent Iron Reduction in Tilled Soils X Geomorphic Position(D2)
_Iron Deposits(B5) _(C6) _FAC-Neutral Test(D5)
Inundation Visible on Aerial Imagery(B7) _Thin Muck Surface(C7)
_Sparsely Vegetated Concave Surface(B8) _Gauge or Well Data(D9)
_Water-Stained Leaves(B9) _Other(Explain in Remarks)
Field Observations:
Surface water present? Yes No X Depth(inches): Wetland
Water table present? Yes No X Depth(inches): hydrology
Saturation present? Yes No X Depth(inches): present? Y
(includes capillary fringe)
Describe recorded data(stream gauge,monitoring well,aerial photos,previous inspections),if available:
Remarks:
US Army Corps of Engineers Midwest Region
WETLAND DETERMINATION DATA FORM-Midwest Region
Project/Site 840 Old Crystal Bay Road City/County: Orono/Hennepin Sampling Date: 10/15/12
Applicant/Owner: John Sonnek/Charles Cudd Builders State: MN Sampling Point: SP 1
Investigator(s): Blair Bollig Section,Township,Range: Sec 9,T117N,R23W
Landform(hillslope,terrace,etc.): Footslope Local relief(concave,convex,none): Concave
Slope(%): 0-2 Lat: Long: Datum:
Soil Map Unit Name Hamel-Glencoe VW!Classification: None
Are climatic/hydrologic conditions of the site typical for this time of the year? Y (If no,explain in remarks)
Are vegetation ,soil ,or hydrology significantly disturbed? Are"normal circumstances"
Are vegetation ,soil ,or hydrology naturally problematic? present? Yes
SUMMARY OF FINDINGS (If needed,explain any answers in remarks.)
Hydrophytic vegetation present? Y
Hydric soil present? N Is the sampled area within a wetlani N
Wetland hydrology present? N f yes,optional wetland site ID:
Remarks:(Explain alternative procedures here or in a separate report.)
VEGETATION--Use scientific names of plants.
Absolute Dominan Indicator Dominance Test Worksheet
Tree Stratum (Plot size: 30 ) %Cover t Species Staus Number of Dominant Species
1 that are OBL,FACW,or FAC: 2 (A)
2 Total Number of Dominant
3 Species Across all Strata: 2 (B)
4 Percent of Dominant Species
5 that are OBL,FACW,or FAC: 100.00% (A/B)
0 =Total Cover
Sapling/Shrub straturr (Plot size: 15 ) Prevalence Index Worksheet
1 Total%Cover of:
2 OBL species 0 x 1 = 0
3 FACW species 50 x 2= 100
4 FAC species 20 x 3= 60
5 FACU species 5 x 4= 20
0 =Total Cover UPL species 0 x 5= 0
Herb stratum (Plot size: 5 ) Column totals 75 (A) 180 (B)
1 Phalaris arundinacea 50 Y FACW Prevalence Index=B/A= 2.40
2 Poa pratensis 20 Y FAC
3 Glechoma hederacea 5 N FACU Hydrophytic Vegetation Indicators:
4 _Rapid test for hydrophytic vegetation
5 X Dominance test is>50%
6 X Prevalence index is 553.0'
7 Morphogical adaptations*(provide
8 supporting data in Remarks or on a
9 separate sheet)
10 Problematic hydrophytic vegetation*
75 =Total Cover (explain)
Woody vine stratum (Plot size: 30 )
'Indicators of hydric soil and wetland hydrology must be
1 present,unless disturbed or problematic
2 Hydrophytic
0 =Total Cover vegetation
present? Y
Remarks:(Include photo numbers here or on a separate sheet)
US Amy Corps of Engineers Midwest Region
SOIL Sampling Point: SP 1
Profile Description: (Describe to the depth needed to document the indicator or confirm the absence of indicators.)
Depth Matrix Redox Features
(Inches) Color(moist) % Color(moist) % Type* Loc** Texture Remarks
10 10YR 3/1 100 Silt Loam
24 10YR 4/1 100 Silt Clay Loam
32 10YR 4/1 80 7.5YR 4/6 20 C M Sandy Clay Loam
*Type:C=Concentration,D=Depletion,RM=Reduced Matrix,MS=Masked Sand Grains. **Location:PL=Pore Lining,M=Matrix
Hydric Soil Indicators: Indicators for Problematic Hydric Soils:
Histisol(Al) _Sandy Gleyed Matrix(S4) _Coast Prairie Redox(A16)(LRR K,L,R)
Histic Epipedon(A2) _Sandy Redox(S5) _Dark Surface(S7)(LRR K,L)
_Black Histic(A3) _Stripped Matrix(S6) 5 cm Mucky Peat or Peat(S3)(LRR K,L,R)
_Hydrogen Sulfide(A4) _Loamy Mucky Mineral(F1) _Iron-Manganese Masses(F12)(LRR K,L,R)
_Stratified Layers(A5) _Loamy Gleyed Matrix(F2) _Very Shallow Dark Surface(TF12)
2 cm Muck(A10) _Depleted Matrix(F3) _Other(explain in remarks)
_Depleted Below Dark Surface(A11) _Redox Dark Surface(F6)
_Thick Dark Surface(Al2) _Depleted Dark Surface(F7) *Indicators of hydrophytic vegetation and weltand
—Sandy Mucky Mineral(S1) _Redox Depressions(F8) hydrology must be present,unless disturbed or
5 cm Mucky Peat or Peat(S3) problematic
Restrictive Layer(if observed):
Type: Hydric soil present? N
Depth(inches):
Remarks:
HYDROLOGY
Wetland Hydrology Indicators:
Primary Indicators(minimum of one is required:check all that aooly) Secondary Indicators(minimum of two required)
_Surface Water(A1) _Aquatic Fauna(B13) _Surface Soil Cracks(B6)
_High Water Table(A2) _True Aquatic Plants(B14) _Drainage Patterns(B10)
_Saturation(A3) _Hydrogen Sulfide Odor(Cl) _Dry-Season Water Table(C2)
_Water Marks(B1) Oxidized Rhizospheres on Living Roots_Crayfish Burrows(C8)
_Sediment Deposits(B2) (C3) _Saturation Visible on Aerial Imagery(C9)
_Drift Deposits(B3) _Presence of Reduced Iron(C4) _Stunted or Stressed Plants(D1)
_Algal Mat or Crust(B4) Recent Iron Reduction in Tilled Soils _Geomorphic Position(D2)
_Iron Deposits(B5) _(C6) _FAC-Neutral Test(D5)
Inundation Visible on Aerial Imagery(B7) _Thin Muck Surface(C7)
_Sparsely Vegetated Concave Surface(B8) _Gauge or Well Data(D9)
_Water-Stained Leaves(B9) _Other(Explain in Remarks)
Field Observations:
Surface water present? Yes No X Depth(inches): Wetland
Water table present? Yes No X Depth(inches): hydrology
Saturation present? Yes No X Depth(inches): present? N
(includes capillary fringe)
Describe recorded data(stream gauge,monitoring well,aerial photos,previous inspections),if available:
Remarks:
US Army Corps of Engineers Midwest Region
WETLAND DETERMINATION DATA FORM-Midwest Region
Project/Site 840 Old Crystal Bay Road City/County: Orono/Hennepin Sampling Date: 10/15/12
Applicant/Owner: John Sonnek/Charles Cudd Builders State: MN Sampling Point: SP 2
Investigator(s): Blair Bollig Section,Township,Range: Sec 9,T117N,R23W
Landform(hillslope,terrace,etc.): Footslope Local relief(concave,convex,none): Concave
Slope(%): 0-2% Lat: Long: Datum:
Soil Map Unit Name Hamel-Glencoe VW!Classification: None
Are climatic/hydrologic conditions of the site typical for this time of the year? Y (If no,explain in remarks)
Are vegetation ,soil ,or hydrology significantly disturbed? Are"normal circumstances"
Are vegetation ,soil ,or hydrology naturally problematic? present? Yes
SUMMARY OF FINDINGS (If needed,explain any answers in remarks.)
Hydrophytic vegetation present? Y
Hydric soil present? N Is the sampled area within a wetlan N
Wetland hydrology present? N f yes,optional wetland site ID:
Remarks:(Explain alternative procedures here or in a separate report.)
VEGETATION--Use scientific names of plants.
Absolute Dominan Indicator Dominance Test Worksheet
Tree Stratum (Plot size: 30 ) %Cover t Species Staus Number of Dominant Species
1 that are OBL,FACW,or FAC: 1 (A)
2 Total Number of Dominant
3 Species Across all Strata: 1 (B)
4 Percent of Dominant Species
5 that are OBL,FACW,or FAC: 100.00% (NB)
0 =Total Cover
Sapling/Shrub stratum (Plot size: 15 ) Prevalence Index Worksheet
1 Total%Cover of:
2 OBL species 0 x 1 = 0
3 FACW species 50 x 2= 100
4 FAC species 10 x 3= 30
5 FACU species 0 x 4= 0
0 =Total Cover UPL species 0 x 5= 0
Herb stratum (Plot size: 5 ) Column totals 60 (A) 130 (B)
1 Phalaris arundinacea 50 Y FACW Prevalence Index=B/A= 2.17
2 Poa pratensis 10 N FAC
3 Hydrophytic Vegetation Indicators:
4 _Rapid test for hydrophytic vegetation
5 X Dominance test is>50%
6 X Prevalence index is 53.0*
7 Morphogical adaptations*(provide
8 supporting data in Remarks or on a
9 separate sheet)
10 Problematic hydrophytic vegetation*
60 =Total Cover (explain)
Woody vine stratum (Plot size: 30 ) "Indicators of hydric soil and wetland hydrology must be
1 present,unless disturbed or problematic
2 Hydrophytic
0 =Total Cover vegetation
present? Y
Remarks:(Include photo numbers here or on a separate sheet)
US Amy Corps of Engineers Midwest Region
SOIL Sampling Point: SP 2
Profile Description: (Describe to the depth needed to document the indicator or confirm the absence of indicators.)
Depth Matrix Redox Features
(Inches) Color(moist) % Color(moist) % Type* Loc** Texture Remarks
11 10YR 3/1 100 Silt Loam
15 10YR 3/1 100 Silt Clay Loam
•
22 10YR 4/1 90 10YR 5/8 10 C M Sandy Clay Loam
*Type:C=Concentration,D=Depletion,RM=Reduced Matrix,MS=Masked Sand Grains. **Location:PL=Pore Lining,M=Matrix
Hydric Soil Indicators: Indicators for Problematic Hydric Soils:
Histisol(Al) _Sandy Gleyed Matrix(S4) _Coast Prairie Redox(A16)(LRR K,L,R)
_Histic Epipedon(A2) _Sandy Redox(S5) _Dark Surface(S7)(LRR K,L)
_Black Histic(A3) _Stripped Matrix(S6) 5 cm Mucky Peat or Peat(S3)(LRR K,L,R)
_Hydrogen Sulfide(A4) Loamy Mucky Mineral(F1) _Iron-Manganese Masses(F12)(LRR K,L,R)
_
_Stratified Layers(A5) _Loamy Gleyed Matrix(F2) _Very Shallow Dark Surface(TF12)
2 cm Muck(A10) _Depleted Matrix(F3) _Other(explain in remarks)
_Depleted Below Dark Surface(A11) _Redox Dark Surface(F6)
_Thick Dark Surface(Al2) _Depleted Dark Surface(F7) *Indicators of hydrophytic vegetation and weltand
_Sandy Mucky Mineral(S1) _Redox Depressions(F8) hydrology must be present,unless disturbed or
5 cm Mucky Peat or Peat(S3) problematic
Restrictive Layer(if observed):
Type: Hydric soil present? N
Depth(inches):
Remarks:
HYDROLOGY
Wetland Hydrology Indicators:
Primary Indicators(minimum of one is required:check all that amply) Secondary Indicators(minimum of two required)
_Surface Water(A1) _Aquatic Fauna(B13) _Surface Soil Cracks(B6)
_High Water Table(A2) _True Aquatic Plants(B14) _Drainage Patterns(B10)
_Saturation(A3) _Hydrogen Sulfide Odor(Cl) _Dry-Season Water Table(C2)
_Water Marks(B1) Oxidized Rhizospheres on Living Roots_Crayfish Burrows(C8)
_Sediment Deposits(B2) (C3) _Saturation Visible on Aerial Imagery(C9)
_Drift Deposits(B3) _Presence of Reduced Iron(C4) _Stunted or Stressed Plants(D1)
_Algal Mat or Crust(B4) Recent Iron Reduction in Tilled Soils _Geomorphic Position(D2)
_Iron Deposits(B5) _(C6) _FAC-Neutral Test(D5)
Inundation Visible on Aerial Imagery(B7) _Thin Muck Surface(C7)
Sparsely Vegetated Concave Surface(B8) _Gauge or Well Data(D9)
_Water-Stained Leaves(B9) _Other(Explain in Remarks)
Field Observations:
Surface water present? Yes No X Depth(inches): Wetland
Water table present? Yes No X Depth(inches): hydrology
Saturation present? Yes No X Depth(inches): present? N
(includes capillary fringe)
Describe recorded data(stream gauge,monitoring well,aerial photos,previous inspections),if available:
Remarks:
US Army Corps of Engineers Midwest Region
THE TECHNICAL DOCUMENTATION SECTION
Plant Indicator Status
INDICATOR CATEGORIES*
Obligate Wetland(OBL)—Occur almost always (estimated probability>99%)under natural
conditions in wetlands.
Facultative Wetland (FACW)—Usually occur in wetlands (estimated probability 67%-99%),
but occasionally found in non-wetlands.
Facultative(FAC)—Equally likely to occur in wetlands or non-wetlands (estimated probability
34%-66%).
Facultative Upland(FACU)—Usually occur in non-wetlands (estimated probability 67%-
99%),but occasionally found in wetlands (estimated probability 1%-33%).
Obligate Upland (UPL)—Occur in wetlands in another region,but occur almost always
(estimated probability>99%) under natural conditions in non-wetlands in the region specified. If
a species does not occur in wetlands in any region, it is not on the National List.
*Reed,P.B. 1988. National list of plant species that occur in wetlands: Minnesota. National
Wetlands Inventory, U.S. Fish and Wildlife Service, St. Petersburg, Florida.
THE TECHNICAL DOCUMENTATION SECTION
Soil Series Descriptions
Acquired from Natural Resource Conservation Service Website,Official Soil Series Descriptions
GLENCOE SERIES
The Glencoe series consists of very deep,very poorly drained soils that formed in loamy sediments from
glacial till on glacial moraines.These soils have moderate or moderately slow permeability.Slopes are 0 to
1 percent.Mean annual precipitation is about 28 inches.Mean annual temperature is about 48 degrees F.
TAXONOMIC CLASS: Fine-loamy, mixed, superactive, mesic Cumulic Endoaquolls
TYPICAL PEDON: Glencoe clay loam with a concave slope of less than 1 percent in a
depression on a ground moraine in cultivated field. (Colors are for moist soil unless
otherwise noted.)
Ap--0 to 10 inches;black(N 2/0) clay loam; massive; friable; about 2 percent gravel;
cloddy; neutral; abrupt smooth boundary.
A--10 to 24 inches;black(N 2/0)clay loam; weak fine subangular blocky structure;
friable; about 2 percent gravel; neutral; clear wavy boundary. (Combined thickness of A
horizon is 16 to 32 inches.)
ABg--24 to 35 inches; very dark gray(5Y 3/1) clay loam; weak fine subangular blocky
structure; friable; few tongues of dark olive gray(5Y 3/2) and olive gray(5Y 4/2); about
2 percent gravel; neutral; gradual irregular boundary. (0 to 26 inches thick)
Bg--35 to 48 inches; olive gray(5Y 4/2) loam;moderate coarse subangular blocky
structure; friable: few tongues of very dark gray(5Y 3/1); about 5 percent gravel;
common fine prominent light olive brown(2.5Y 5/4) and common medium prominent
strong brown(7.5YR 5/6)Fe concentrations;neutral; gradual wavy boundary. (0 to 30
inches thick)
Cg--48 to 60 inches; grayish brown(2.5Y 5/2) loam; massive; friable; about 5 percent
gravel; many medium distinct light olive brown(2.5Y 5/4)Fe concentrations; strongly
effervescent; slightly alkaline.
TYPE LOCATION: Steele County, Minnesota; about 5 miles northwest of Owatonna;
2,640 feet south, 2,660 feet west of the northeast corner of sec. 24, T. 108 N., R. 21 W.;
USGS Medford West quadrangle; lat. 44 degrees 8 minutes 46 seconds N. and long. 93
degrees 17 minutes 45 seconds W.,NAD27.
RANGE IN CHARACTERISTICS: Depth to free carbonates is 30 to 60 inches or
more. The Ap in a few pedons will have small amounts of free carbonates. The thickness
of the mollic epipedon ranges from 24 to 80 inches. The control section averages between
22 and 35 percent clay and from 15 to 30 percent fine sand and coarser. Rock fragments
of mixed lithology comprise 0 to 5 percent of the volume of the A and B horizons and 2
to 8 percent of the C horizon. Some pedons have an 0 horizon up to 6 inches in thickness.
A stratified substratum phase is recognized with silt loam, sand, sandy loam, and loamy
sand textures below 40inches.
The Ap or A horizon has hue of 10YR to 5Y or neutral,value of 2 or 3, and chroma of 0
or 1. It is clay loam, silty clay loam, or loam with 25 to 35 percent clay. Ponded phases
may have mucky modifiers. It is commonly neutral but ranges from slightly alkaline to
slightly acid.
AB horizon has colors and textures similar to the A and Bg horizons.
The Bg horizon has hue of 5Y or 2.5Y, value of 2 to 5, and chroma of 1 or 2. Dark
colored tongues from the A horizon range from few to common. It is loam, clay loam or
silty clay loam.Near the center of some depressions, some pedons have B horizons that
have a slight clay increase relative to the A horizons. It is neutral to slightly alkaline,but
in some pedons the lower part of the B horizon is slightly alkaline with slight
effervescence. The Bg horizon is absent in some pedons.
The Cg horizon has hue of 5Y or 2.5Y, value of 4 to 6, and chroma of 1 to 4. It is loam,
clay loam or silty clay loam. It is slightly alkaline, with weak or strong effervescence.
Calcium carbonate segregations are present in some pedons.
COMPETING SERIES: These are the Coland,Comfrey, Delft, Gielow,James Canyon,
Keddie,Kimmerling, Konner, McClave, Peoh, Romnell, Shandep, and Wenas series.
Coland and Comfrey soils do not have rock fragments in their control sections. In
addition, Coland soils are deeper to free carbonates. Delft soils are poorly drained, are not
in closed depressions, have prismatic structure in subsoil, and do not have tongues of the
A horizon in the Bg horizon. Gielow, James Canyon, Keddie, Kimmerling, Konner,
McClave, Peoh, and Wenas soils are drier in the soil moisture control section during the
120 days following the summer solstice. Romnell soils contain appreciable amounts of
gypsum in their sola. Shandep soils do not have tongues of A horizon in the Bg horizon
and have a coarse textured 2C horizon.
GEOGRAPHIC SETTING: Glencoe soils typically are in closed depressions or low
gradient swales within the Des Moines lobe of the Late Wisconsinan glaciation. The
Glencoe soils are formed in loamy colluvial sediments and loamy glacial till. Mean
annual temperature ranges from 45 to 52 degrees F. Mean annual precipitation ranges
from 25 to 32 inches. The frost free days range from 124 to 172. The elevation above sea
level range from 700 to 1600 feet.
GEOGRAPHICALLY ASSOCIATED SOILS: These are the Canisteo,Clarion,Harps,
Nicollet, and Webster soils. The well drained Clarion soils are on the sloping uplands.
Somewhat poorly drained Nicollet and the poorly drained Canisteo,Webster, and Harps
soils are on nearly level to gently undulating slopes. All the above have mollic epipedons
less than 24 inches thick. In addition, the Canisteo and Harps soils contain free
carbonates throughout. The Glencoe soils also are associated with the Hayden and Lester
soils and their respective topographic associates in some places.
DRAINAGE AND PERMEABILITY: Very poorly drained. Surface runoff is
negligible. Permeability is moderate or moderately slow.
USE AND VEGETATION: Mostly drained and cropped to corn and soybeans.Native
vegetation was a wet site plant community of the tall grass prairie plant formation.
DISTRIBUTION AND EXTENT: South-central Minnesota and possibly north-central
Iowa. Large extent.
MLRA OFFICE RESPONSIBLE: St. Paul, Minnesota
SERIES ESTABLISHED: Dakota County, Minnesota, 1945.
REMARKS: Diagnostic horizons and features recognized in this pedon are: mollic
epipedon-the zone from the surface to a depth of 35 inches(Ap, A, and ABg horizons);
cumulic subgroup-mollic epipedon is more than 24 inches thick; aquic moisture regime-
low chroma immediately below the A horizons.
HAMEL SERIES
The Hamel series consists of very deep,poorly drained and somewhat poorly drained soils that formed in
slope colluvium and glacial till on moraines.These soils have moderately slow permeability.Their slopes
range from 1 to 4 percent.Mean annual precipitation is about 28 inches.Mean annual air temperature is
about 47 degrees F.
TAXONOMIC CLASS: Fine-loamy,mixed, superactive,mesic Typic Argiaquolls
TYPICAL PEDON: Hamel loam with a 2 percent concave slope on a glacial moraine in
a cultivated field. (Colors are for moist soil unless otherwise noted.)
Ap--0 to 10 inches; black(10YR 2/1) loam,very dark brown(10YR 2/2)dry; weak very
fine subangular blocky structure; friable; common very fine roots; about 1 percent gravel;
neutral; abrupt smooth boundary.
A--10 to 16 inches;black(10YR 2/1) loam, very dark gray(10YR 3/1)dry; weak very
fine subangular blocky structure; friable; common very fine roots; about 4 percent gravel;
neutral; gradual smooth boundary. (Combined thickness of A horizon is 14 to 30 inches.)
AB--16 to 24 inches; very dark gray(10YR 3/1)clay loam, dark grayish brown(10YR
4/2)dry; many fine prominent brown(7.5YR 4/4) Fe concentrations; moderate fine
angular blocky structure; friable; common very fine roots; about 4 percent gravel; neutral;
gradual wavy boundary. (0 to 10 inches thick.)
Btgl--24 to 40 inches; very dark grayish brown(2.5Y 3/2)clay loam, grayish brown
(10YR 5/2)dry;many fine prominent brown(7.5YR 4/4)Fe concentrations; moderate
medium prismatic structure; friable; few black(10YR 2/1)clay films on faces of peds;
about 5 percent gravel;neutral; gradual wavy boundary.
Btg2--40 to 46 inches; dark grayish brown(2.5Y 4/2) clay loam;many coarse prominent
brown(7.5YR 4/4)Fe concentrations; moderate medium subangular blocky structure;
friable; few black(10YR 2/1)clay films on faces of peds; about 4 percent gravel; neutral;
clear wavy boundary. (Combined thickness of Btg horizons is 12 to 30 inches.)
Cgl--46 to 55 inches; olive gray(5Y 5/2) loam; many medium prominent yellowish
brown(10YR 5/6) Fe concentrations; massive; friable; about 3 percent gravel; slightly
effervescent; slightly alkaline; gradual wavy boundary.
Cg2--55 to 80 inches; olive gray(5Y 5/2)loam;many medium prominent yellowish
brown(10YR 5/6)Fe concentrations; massive; friable; about 4 percent gravel; slightly
effervescent; slightly alkaline.
TYPE LOCATION: Wright County, Minnesota; about 1.5 miles southwest of Silver
Creek, 1200 feet south and 2300 feet west of the northeast corner of Sec. 18, T.121 N.,
R.26 W.,USGS Annandale quadrangle; lat. 45 degrees 17 minutes 34 seconds N.; long.
94 degrees 00 minutes 13 seconds W.,NAD27
RANGE IN CHARACTERISTICS: Depth to free carbonates range from 30 to 65
inches. The mollic epipedon thickness ranges from 24 to 60 inches. Typically the upper
colluvim contains less than 2 percent gravel by volume and the lower part contains 2 to 6
percent gravel by volume of mixed lithology.
The A horizons have hue of 10YR or is neutral,value of 2 or 3, and chroma of 0 to 2.
Typically it is loam or clay loam,but silt loam or silty clay loam are within the range. It
has coatings of clean sand and silt particles in the lower part of the A horizon in some
pedons. It is moderately acid to neutral.
The Btg horizon has hue of 10YR, 2.5Y, or 5Y,value of 2 to 4, and chroma of 1 or 2. It is
clay loam, silty clay loam high in sand, or loam. It has between 25 and 35 percent clay
and 15 to 35 percent fine sand and coarser. It has B/A clay ratios of 1.2 to 1.4. It has few
to many, faint to prominent clay films. It is moderately acid to neutral.
The C horizon has hue of a 2.5Y or 5Y,value of 4 to 6, chroma of 1 or 2. It is loam or
clay loam. It is slightly alkaline or moderately alkaline. The clay content ranges from 18
to 32 percent and the total sand content ranges from 25 to 45 percent.
COMPETING SERIES: These are the Alvada, Barry, Berville, Brookston,
Buntingville, Clackamas, Cordova,Forestcity,Jameston, Marengo, Millgrove,Navan,
Nosoni,Rensselaer, and Westland soils. The Alvada series(Tentative- OH)is not in the
OSD file at this time. The Barry, Berville, Brookston, Cordova, Marengo, Millgrove,
Navan, Rensselaer, and Westland soils have a mollic epipedon that is less than 24 inches
thick. The Buntingville soils have carbonates at depths of less than 20 inches. The
Clackamas and Nosoni soils lack free carbonates in the series control section.
The Forestcity soils have 45 to 65 percent sand and 10 to 18 percent clay in the
underlying material. The Jamestown soils formed in a firm and very firm till associated
with the Iowan Erosional surface.
GEOGRAPHIC SETTING: Hamel soils have concave slopes in swales,rims of closed
depressions, foot and toe slopes, and upper drainageways below sloping to very steep
slopes. Slope gradients are 1 to 4 percent. Hamel soils formed in slope colluvium and
glacial till of Late Wisconsinan Age. Mean annual air temperature is about 45 to 48
degrees F. Mean annual precipitation is about 25 to 30 inches. Frost free days range from
125 to 165. Elevation above sea level ranges from 700 to 1600 feet.
GEOGRAPHICALLY ASSOCIATED SOILS: These are principally the Hayden and
Lester soils. These soils are well drained and are on the higher lying, gently sloping to
very steep slopes.
DRAINAGE AND PERMEABILITY: Poorly drained and somewhat poorly drained.
Surface runoff is low or moderately low. Permeability is moderately slow. The apparent
seasonal high water table is at .5 to 1.5 feet for the poorly drained phase and 1.5 to 2.5
feet for the somewhat poorly drained phase during spring in normal years.
USE AND VEGETATION: Most of this soil is cropped to corn,hay, soybeans, and
small grains. However, significant areas are in pasture and forest.Native vegetation is
mixed wet prairie grasses and deciduous forest.
DISTRIBUTION AND EXTENT: Primarily in the southeast one-quarter of Minnesota
in the timbered,hilly, "gray"till region. Moderately extensive.
MLRA OFFICE RESPONSIBLE: St. Paul, Minnesota
SERIES ESTABLISHED: Hennepin County, Minnesota, 1969.
REMARKS: Diagnostic horizons and features recognized in this pedon are: mollic
epipedon-the zone from the surface to a depth of 40 inches(Ap,A,AB and Btgl);
argillic horizon-the zone from 24 to 46 inches(Btgl, Btg2,). Type location moved from
Hennepin County, Mn. to Wright County, Mn., 11/96 to better exemplify the series
concept.
A somewhat poorly drained overwash phase is recognized that has 8 to 20 inches of
colluvium over the original dark colored surface.
ADDITIONAL DATA: Refer to MAES Central File Code No. 785 for results of some
laboratory analysis of this series.
LESTER SERIES
The Lester series consists of very deep,well drained soils that formed in calcareous loamy glacial till on till
plains and moraines.These soils have moderate permeability.Their slopes range from 5 to 70 percent.
Mean annual precipitation is about 28 inches.Mean annual temperature is about 47 degrees F.
TAXONOMIC CLASS: Fine-loamy,mixed, superactive,mesic Mollis Hapludalfs
TYPICAL PEDON: Lester loam with a convex slope of about 9 percent on a ground
moraine in a cultivated field. (Colors are for moist soil unless otherwise noted.)
Ap--0 to 7 inches; very dark grayish brown(10YR 3/2) loam, grayish brown(10YR 5/2)
dry;moderate fine subangular blocky structure; friable; many fine roots; about 3 percent
gravel; slightly acid; abrupt smooth boundary. (6 to 10 inches thick)
Btl--7 to 21 inches; brown(10YR 4/3)clay loam; moderate medium subangular blocky
structure; firm; many very fine roots; common very dark grayish brown(10YR 3/2)clay
films on faces of peds and few very dark gray(10YR 3/1)organic coats on faces of peds;
about 2 percent gravel; slightly acid; clear smooth boundary.
Bt2--21 to 38 inches; dark yellowish brown(10YR 4/4) clay loam; moderate medium
subangular blocky structure; friable; common fine roots; common dark grayish brown
(10YR 4/2) clay films on faces of peds and few very dark brown(10YR 2/2)organic
coats on faces of peds; about 3 percent gravel; slightly acid; gradual smooth boundary.
(Combined Bt horizon is 10 to 40 inches.)
Bkl--38 to 50 inches; yellowish brown(10YR 5/4) loam; weak medium subangular
blocky structure; friable; few fine roots; common very pale brown(10YR 8/2)carbonate
threads; about 2 percent gravel; violently effervescent; slightly alkaline; clear wavy
boundary.
Bk2--50 to 60 inches; yellowish brown(10YR 5/4)loam;weak medium subangular
blocky structure; friable; common fine distinct yellowish brown(10YR 5/6)relict Fe
concentrations; common very pale brown(10YR 8/2)carbonate threads; about 2 percent
gravel; violently effervescent; slightly alkaline; clear wavy boundary.
C--60 to 80 inches; yellowish brown(10YR 5/4)loam; ; massive; friable; common
medium distinct yellowish brown(10YR 5/6)relict Fe concentrations and few fine
distinct light brownish gray(10YR 6/2)relict Fe depletions; about 1 percent gravel;
strongly effervescent; slightly alkaline.
TYPE LOCATION: Wright County, Minnesota; about 3 miles west of Otsego, 1460
feet south and 200 feet west of the northeast corner of Sec. 15,T.121 N., R.24 W.;USGS
Big Lake quadrangle; lat. 45 degrees 17 minutes 29 seconds N.; long. 93 degrees 41
minutes 3 seconds W.,NAD27
RANGE IN CHARACTERISTICS: Depth to free carbonates ranges from 20 to 54
inches. Rock fragments of mixed lithology comprise 1 to 8 percent of the volume of the
control section.
The A or Ap horizons have hue of 10YR, value of 2 or 3, and chroma of 1 or 2. The E
horizon where present, has value of 3 to 5, and chroma of 1 to 3. The A and E horizons
are loam or clay loam,but sandy loam, fine sandy loam, or silt loam is within the range.
They range from moderately acid to neutral.
The Bt horizon has hue of 10YR or 2.5Y,value of 4 or 5, and chroma of 3 or 4. It is clay
loam or loam and has 24 to 35 percent clay and 30 to 45 percent sand. The B/A clay
ratios range from 1.2 to 1.4. It is strongly acid to slightly acid in the upper part and
moderately acid to neutral in the lower part. A Bw horizon is sometimes present below
the Bt.
The Bk horizon has hue of 10YR or 2.5YR,value of 4 or 5, and chroma of 3 to 6. The Bk
horizon is loam or clay loam. It is slightly alkaline or moderately alkaline. Relict
redoximorphic features are present in some pedons.
The C horizon has hue of 2.5Y or 10YR,value of 4 to 6, and chroma of 3 to 6. It is loam
or clay loam. It is slightly alkaline or moderately alkaline. Relict redoximorphic features
are present in some pedons.
COMPETING SERIES: These are the Angus,Argyle, Baltimore, Bassett,Blooming,
Caleb, Dowagiac, Dunbridge, Gara, Koronis, Lauramie, Longlois,Lydick, Mohawk,
Neda,Newcomer, Oneco, Orwood, Racine, Razort, Sebbo,Taopi,Waucoma, and
Winneshiek soils in the same family. Angus and Sebbo soil have saturation in the lower
third of the series control section. Argyle, Baltimore, and Oneco soils have B horizons
with 7.5YR or redder hue. Bassett soils are very strongly acid to moderately acid in the
upper part of the Bt horizon. Blooming and Racine soils have 15 to 35 percent sand in the
upper part of the particle-size control section. Caleb soils have some subhorizons that
have more than 45 percent in the lower part of the control section. Dowagiac and Koronis
soils have less than 24 percent clay in the lower one third of the particle-size control
section. Dunbridge, Waucoma,Newcomer and Winneshiek soils have sola terminated by
bedrock at depths above 60 inches. Gara soils average less than 2 percent rock fragments
in the control section. Longlois, Lydic, and Neda soils have more than 8 percent rock
fragments in some subhorizon of the control section. Lauramie soils have more than 45
percent sand in some subhorizon in the middle part of the control section. Mohawk soils
have a higher content of silt and have dark colors in the B horizon which apparently are
inherited from dark shale. Orwood soils have no rock fragments in the particle-size
control section. Razort soils have less than 30 percent sand in the control section.
GEOGRAPHIC SETTING: These soils have convex slopes on moraines and till plains.
Slope gradients range from 5 to 70 percent. They formed in calcareous, loamy glacial till
of late Wisconsinan Age. Mean annual temperature ranges from 45 degrees to 52 degrees
F. Mean annual precipitation ranges from 25 to 33 inches. Frost free days range from 125
to 165. Elevations range from 700 to 1600 feet.
GEOGRAPHICALLY ASSOCIATED SOILS: These include the Cordova, Dundas,
Glencoe, Hamel, Houghton, Klossner, Le Sueur, Muskego, and Nessel soils. Poorly
drained Cordova and somewhat poorly and poorly drained Dundas soils are on flats and
upper drainageways with a high seasonal water table. Very poorly drained Glencoe,
Houghton, Klossner, and Muskego soils are mostly in depressions. Poorly drained Hamel
soils are on foot and toe slopes. Moderately well drained Le Sueur and Nessel soils are on
slightly elevated flats and gently convex slopes.
DRAINAGE AND PERMEABILITY: Well drained. Permeability is moderate. Runoff
is medium to high.
USE AND VEGETATION: Mostly cropped to corn and soybeans. Some is in pasture
and forest.Native vegetation is savanna.
DISTRIBUTION AND EXTENT: South-central and east-central Minnesota and
northeastern Iowa. Extensive.
MLRA OFFICE RESPONSIBLE: St. Paul, Minnesota
SERIES ESTABLISHED: Dakota County, Minnesota, 1945.
REMARKS: Diagnostic horizons and featured recognized in this pedon are: mollic
subgroup-the zone from the surface to 7 inches(Ap horizon); argillic horizon-the zone
from 7 to 38 inches (Bt horizons). Type location moved from Waseca County, Mn. to
Wright County, Mn., 11/96 to better exemplify the series concept within the MLRA.
Slopes of 1 to 5 percent that were previously correlated as Lester may be included with
the Angus series in the future.
THE TECHNICAL DOCUMENTATION SECTION
Wetland Definition
WETLAND DEFINITION
According to the 1987 U.S. Army Corps of Engineers "Wetlands Delineation Manual" (1987
Manual; the document used by all delineators to define wetlands) a wetland is "Those areas that
are inundated or saturated by surface or ground water at a frequency and duration sufficient to
support, and that under normal circumstances do support, a prevalence of vegetation typically
adapted for life in saturated soil conditions." The Minnesota State Wetland Conservation Act
Rules, Chapter 8420, further clarifies that"...wetlands must: (1) have a predominance of hydric
soils; (2) be inundated or saturated by surface water or groundwater at a frequency and duration
sufficient to support a prevalence of hydrophytic vegetation typically adapted for life in saturated
soil conditions; and (3) under normal circumstances, support a prevalence of hydrophytic
vegetation." The 1987 U.S. Army Corps of Engineers Manual in Part II, item 24. states that,
"The interaction of hydrology, vegetation, and soil results in the development of characteristics
unique to wetlands. Therefore, the following technical guidelines for wetlands are based on the
three parameters, and diagnostic environmental characteristics used in applying the technical
guideline are represented by various indicators of these parameters." It is this premise by which
SER ecologists has, in their professional judgment, delineated the wetlands on the subject parcel
described in this report.
Wetland Hydrology
The most important wetland criterion is hydrology. The presence and persistence of water
influences the vegetation types and changes soil morphology. Hydrology may be observed as
standing water(inundation), or may be observed as freestanding water within the soil pit or auger
hole (saturation) usually within the upper 12 inches. This is what would be considered primary
hydrology indicators. Only one primary indicator is necessary to make the determination that
wetland hydrology indeed exists. The 1987 Corps Manual also has a range of hydrologic zones
established based on period of inundation or saturation. These zones and the periods of
inundation or saturation for each can be observed in Table 1 below.
Excerpted from the 1987 Manual,Hydrologic Zones—Nontidal Areas
Zone Name Duration Comments Wetland or Not
I Permanently Inundated 100% Inundation>6.6 ft.mean Not(Aquatic Habitat Zone,or Deep Water
water depth Habitat)
Semipermanently To Nearly <75- Inundation defined as
II Permanently Inundated Or <1000/0 X6.6 feet mean water Wetland
Saturated depth
III Regularly Inundated Or >25-75% Wetland
Saturated
1V Seasonally Inundated Or <12.5- Wetland
Saturated 25%
Many areas having these
V Irregularly Inundated or >5-12.5% hydrologic characteristics Wetland(if hydrophytic veg.and hydric
Saturated are not wetlands soils also present
Intermittently Or Never ° Areas with these
VI Inundated Or Saturated <5/o hydrologic characteristics Not
are not wetlands
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The defmition of appropriate hydrology according to the 1987 Manual includes two important
terms that must be clarified. First, the definition of a growing season is needed. The growing
season is defined in the 1987 Manual as: "...the portion of the year when soil temperature
(measured 19.7 inches below the surface) is above biological zero (5° C or 41° F)." According to
the 1987 Manual this period of time can be approximated by using the "starting and ending dates
for the growing season based on a 28° F air temperature threshold at a frequency of 5 years in
10." Based on this definition the growing season ranges approximately 160 days to 180 days in
the Minneapolis/St. Paul metropolitan area(160 in the northern suburbs and greater to the south).
Therefore, the required inundation or saturation to the surface for 5% of the growing season
would be 8 or 9 consecutive days that ground water would need to be at the surface or saturated
to the surface.
The second term in the appropriate hydrology definition from the above paragraph to be clarified
is "in most years". This means in 5 of 10 years hydrology must exist within a "jurisdictional
wetland"for the 8 or 9 consecutive days of the growing season. This means that one observation
date or even one whole year worth of detailed hydrology data may be deemed insufficient to
determine if appropriate hydrology exists at a given location. In the event that precipitation
events accumulate to above or below normal during just prior to a site visit or during a more
intensive hydrology study, the data may be confounded by non-normal circumstances and may
be considered outside the bounds of "most years". Ideally, both antecedent soil moisture
conditions and precipitation would be normal during all delineations. However, this is not a
realistic impression of climate. Therefore, primary indicators of hydrology must be reviewed
with scrutiny prior to determining if hydrology indeed exists.
Wetland hydrology may be observed as standing water (inundation), or may be observed as
freestanding water within a soil pit or auger hole (saturation)usually within the upper 12 inches.
This is what would be considered primary hydrology indicators. Examination of this indicator
requires digging a soil pit to a depth of 16 inches and observing the level at which water stands
after sufficient time has been allowed for water to drain into the hole. The required time will
vary depending on soil texture. This level represents the depth to the water table; the depth to
saturated soils will always be nearer the surface due to the capillary fringe. According to the
Hydrology criteria in the 1987 Delineation Manual, for soil saturation to impact vegetation, it
must occur within a major portion of the root zone, typically within 12 inches of the surface.
Only one primary indicator is necessary to make the determination that wetland hydrology is
present. However, since a single observation is not enough evidence, based on the percentage of
the growing season this inundation or saturation is required, these data are only valid when
reviewed while also considering the abundance of recent precipitation events or the seasonal
trend of climate when the site visit was made (this may be done through review of precipitation
records where available). In addition to the primary indicators of wetland hydrology, there are
secondary indicators (e.g. oxidized root channels, water-stained leaves, local soil survey data,
FAC-Neutral test), of which two must be present to consider the sample point as having wetland
hydrology.
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Hydrophytic Vegetation (Wetland Vegetation)
Wetland vegetation is defined in the 1987 Manual as "The sum total of macrophytic plant life
growing in water or on a substrate that is at least periodically deficient in oxygen as a result of
excessive water content. When hydrophytic vegetation comprises a community where indicators
of hydric soils and wetland hydrology also occur, the area has wetland vegetation." In more
standard terms, some plants are more adapted to growing within inundated or saturated soil.
Based on literature records and professional experience, a panel of experts compiled a list of
plant species and assigned each a hydrophytic status (described below and includes five major
classes of probability of a plant occurring within a wetland).
In terms of delineation there is a gradient of plant species that are adapted to "growing in water
or on substrate that is at least periodically deficient of oxygen". Fieldwork associated with
wetland delineations includes a procedure (the 50/20 Rule, for determination of dominance),
which is also outlined in the 1987 Manual, by which to determine if hydrophytic plant species
dominate the vegetation at a given location. This procedure has been used for the wetland
delineation at the subject parcel of this report.
Hydric Soil
Defined in the 1987 Manual as "A soil that is saturated, flooded, or ponded long enough during
the growing season to develop anaerobic conditions that favor the growth and regeneration of
hydrophytic vegetation. Hydric soils that occur in areas having positive indicators of
hydrophytic vegetation and wetland hydrology are wetland soils."
For the purposes of delineation of wetlands, soils cannot be viewed without digging pits or
extracting soil using an auger. Therefore, transects of soil samples are taken from perceived
upland to perceived wetlands along a transitional boundary. There are specific color indicators,
textures, and depth requirements in the soil that are reviewed in order to determine whether
hydric soils occur at a given point or not. After a transect of soil samples has been taken, upon
consideration of vegetation and indicators of appropriate hydrology a working prototype for the
given wetland is developed by the delineator. The wetland delineator then uses this working
prototype to complete the location of the remainder of the wetland boundary, unless the wetland
is large enough or the landscape features (vegetation or topography) change enough to warrant
additional transect samples.
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Photo Log
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Wetland 1 is a Type 3 PEMCd shallow marsh. There is a culvert on the
north end of this wetland which runs under the driveway.
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