HomeMy WebLinkAboutNotice of wetland conservation act decision , . �
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Narne and Address of Local Government Unit:
Minnehaha Creek Watershed District
18202 Minnetonka Blvd
Deephaven, MN 55391
Name of Applicant: Denali Custom Hoines Project Name: 515 Ferndalc Rd N
Application Numbcr: W09-24
Type of Application(check one): ❑ �xemption
❑ No Loss
❑ Replacemcnt Plan
❑ Banking Plan
� Wetland Boundary/Type
Date of Decision: 5/28/10
Check One: � Approved
❑ Approved wlth conditiOns (see note on page 2 regarding use of wetland banking credits)
❑ Denied
Sum111aPy of Project/DeCislon(indicate exemption number per MN Rule 8420.0122,if applicable): The
property at 515 Ferndale Road North in Orono(PID#36-ll 8-23-14-0006)was examined far the presence
of wetlands bv Svoboda Ecological Resources(SER)on December 4 2009. SER submitted a report stating
that no areas meeting wetland criteria were found. Due to the time of vear,review of the site was
postponed until sprina.
The site was reviewed in the ficld on May 12 2010 b�Minnehaha Creek Watershed District_(MCWD)
staff along with staff from the USACE and SER.After reviewin�the site,MCWD agrees with SER's
assessment that no wetlands are present. This decision is valid for three years.
A project on this property may require a�ermit from the MCWD If you have any questions.please contact
BeckxHoudek at 952-471-0590.
List of Addressees:
Landowner:
Denali Custom Homes
Attn: Steve Clinton
18352 Minnetonica Blvd
Deephaven, MN 55391
Consultant:
Svoboda Ecological Resources, Brian Burgner-brianb�gpsinnovations.com
-Page 1 of 2
W09-24_Boundary NOD.doc 10/02/07
, ti
City:
City of Orono, Christine Mattson, cmattson@ci.orono.mn.us
Members of Technical Evaluation Panel: I
Lynda Peterson- lynda.peterson@state.mn.us I
Stacey Lijewski - stacey.lijewski@co.hennepin.mn.us !
Watershed District or Watershed Management Organization(If Applicable):
Department of Natural Resources Regional Office(sele�t appropriate office):
NW Region: :�IE Region: Centrat Region: Southern Region:
Regional Director Reg.Env.Assess. Ecol. Reg.Env.Assess.Ecol. Reg.Env.Assess.Ecol.
2115 Birchmont Beach Rd.NE Div.Ecol.Services Div.Ecol.Services Div.F;col. Services
Bemidji,MiV 56601 1201 E.Hwy.2 1200 Warner Road 261 Hwy. 15 South
Grand Rapids,MN 55744 St.Paul,MI�i 55106 New Lllm,Mi�' S6073
DNR TEP Representative (if different than above)
Melissa Doperalski -Melissa.Doperalski@dnr.state.mn.us
Corp of Engineers Project Manager @
Department of the Army, Corps of Engineers, St. Paul District
ATTN: CO-R, 190 Fifth Street East
St. Paul,MN 55101-1638
Individual members of the public who requested a copy, summary only
Melissa Jenny -melissa.m.jenny@usace.army.mil
You are hereby notified that the decision of the Local Government Unit on the above-
referenced application was made on the date stated above. A copy of the Local Government
Unit's Findings and Conclusions is attached. Pursuant to Minn. R. 8420.0200 and 8420.0250
any appeal of the decision must be commenced by mailing a petition for appeal within thirty(30)
calendar days of the date of thc mailing of this Notice to the following as indicated:
Check one:
� ❑
(For LGUstaff decisions and decisioi7s n7ade (For LGUdecisions rraade after a public hearin�
without a public hearing, list nar»e and address of Executive Director
LGUgoverning body or designated appeal body.) Minnesota Board of Water and Soil Resources
Minnehaha Creek Watershed District 520 Lafayette Road North
18202 Minnetonka Blvd St.Paul,MN 55155
-Page 2 of 2
W09-24_Boundary NOD.doc 10/02/07
Deephaven, MN 55391
NOTE: Approval of Wetland Replacement Ylan Applications involving the use of wetland
banking credits is conditional upon withdrawal of the appropriate credits from the state wetland
bank. No wetland impacts may commence until the applicant receives a copy of the fully signed
and executed"Application for Withdrawal of Wetland Credits," signed by the BWSR wetland
bank administrator ccrtifying that the wetland bank credits have been debited.
'!'HIS I�ECISION ONLYAPPLIES TO the Minnesota Wetland Consefvation Act. Additior�al approvals or
pe�•mits fro��z local, state, and federal agencies may be required. Check with all appr�opriate authorities
before conaf�7encing work in or f�ear wetlands.
Applicant proceeds at their own risk if work uuthorized by this decision is started before the nppeal time period has
expired. If this decision is reversed or revrsed under appea!the applicant is responsible for all wetland impacts.
LOCAL GOVERNMENT UNIT
�'� 5/28/10
Sign re Date ,
Becicv Houdelc, District Technician '
Name and Title �
�
i
I
-Page 3 of 2
W09-24_Boundary NOD.doc 10/02/07
515 Ferndale
Orono, MN
Wetland Classification, Identification, and
Delineation Report
Prepared for:
Denali Custom Homes, Inc.
By:
Svoboda Ecological Resources
Project Number 2009-056-03
December 15, 2009
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.
TABLE OF CONTENTS
ABSTRACT.................................................................................................................................... 1
INTRODUCTION..........................................................................................................................2
METHODS.....................................................................................................................................2
RESULTS.......................................................................................................................................3
Background Information- (Office-Based Investigation)......................................................3
SiteVisit .............................................................................................................................5
DISCUSSION.................................................................................................................................8
RECOMMENDATIONS...............................................................................................................8
CERTIFICATION....................................................................................................................... 10
DATASOURCES ........................................................................................................................ 11
LITERATURE REFERENCED................................................................................................. 12
FULL FIGURE SET:
Figure 1: Location of Site Overlaid on USGS Topographic Map
Figure 2: National Wetlands Inventory
Figure 3: Hennepin County Soil Survey
Figure 4: DNR- Protected Waters Map
Figure 5: Sample Point Location Map
THE TECHNICAL DOCUMENTATION SECTION:
Field Data Sheets
Plant Indicator Status
Soil Series Data
Wetland Definition
ABSTRACT
Svoboda Ecological Resources(SER) visited the above referenced properry on December 4, 2009 to
examine the site for the presence of areas meeting wetland criteria. The study parcel is located
within the City of Orono, Hennepin County Minnesota, (Figure 1). No wetlands were delineated at
this site. Four representative sample points were established within areas shown as wetland on the
National Wetland Inventory (NWI) and another low lying area with a dominance of wetland
vegetation. These sample points were collected in order to characterize the soil, vegetation, and
existing hydrology. Six other sample points were taken within the surrounding area to further
characterize and define the area as wetland or non-wetland but were not recorded on field
datasheets due to budget constraints and necessity. The four collected sample points represent all
ten sample points that were observed or otherwise recorded on datasheets
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Figure 1: USGS Topographic Map
Svoboda Ecological Resources 515 Ferndale
ProjectNo.:2009-056-03 j Denali Custom Homes
INTRODUCTION
The subject parcel is approximately 3.3 acres and is dominated by grasses on the west side and is
forested on the east side. The topography of the site has its highest point at the center of the property
and declines going east and going west from center. The surrounding land use consists mostly of
residential areas. If wetlands are identified they are classified according to the Cowardin et al. and
the Circular 39 classification systems and marked with pink"Wetland Delineation"pin flags. Please
find within the Technical Documentation Section; field data sheets, plant indicator status
information, soil survey information, and wetland definition information.
METHODS
The methods used to investigate possible wetland areas on the subject parcel are as described in the
1987 US Army Corps of Engineers Wetlands Delineation Manual and the 2007 Midwest Region
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 subj ect parceL The three parameters required
under normal circumstances in order to delineate a wetland are described in the Technical
Documentation 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 the regional sensitivity of
wetland-delineation methods(National Research Council 1995).The intent ofthis
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),Soil Survey ofHennepin County maps(Figure
3),Minnesota Protected Waters maps(Figure 4),and 2008 aerial photographs were reviewed prior to
the site visit to identify areas that may be wetlands. Areas illustrating potential 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 used to characterize wetland types and
Svoboda Ecological Resources 515 Ferndale
Project No.:2009-056-03 2 Denali Custom Homes
determine wetland boundaries if they existed. Sample points were established in representative areas
that may harbor wetlands based on observation of the NWI, hydric soils maps and quick field
observation. This allows SER ecologists to characterize the vegetation, soils,and hydrology within
these suspicious areas on the site in order to determine if they are jurisdictional wetland.Information
obtained from the sample points can be found on the field data sheets located in the Technical
Documentation Section.
Wetland boundaries are marked at the site by pink"Wetland Boundary"pin flags when wetlands are
delineated. 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. Wetland classification follows 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 classification system is also given. The
indicator status of plants,as described in The Technical Documentation Section,was determined for
the samplke locations using the National List of Plant Species That Occur in Wetlands—Region 3
(Sabine 1999).
RESULTS
Background Information- (Office-Based Investigation)
The NWI map(Excelsior Quadrangle)illustrates one National Wetland Inventory wetland present on
the property (Figure 2).
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Figure 2: National Wetlanci Ii1���nt�t�}� :�1ap
Svoboda Ecological Resources 515 Ferndale
Project No.:2009-056-03 3 Denali Custom Homes
The Soil Survey of Hennepin County,Figure 3,indicates two soil complexes present on the subject
property(See Figure 3). One soil complex is classified as hydric soil(SCS Hydric Soils of the United
States), and is illustrated with blue crosshatching on Figure 3. Soil series descriptions are given in
the Technical Documentation Section.
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The Minnesota Department of Natural Resources, State Protected Waters Map (Public Water
Inventory), indicates no Public Waters present within the property (Figure 4).
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Figure -�: l��R Public V��atcrs �1ap
Svoboda Ecological Resources 515 Ferndale
Project No.:2009-056-03 4 Denali Custom Homes
Site Visit
SER ecologists examined the subject property for areas meeting jurisdictional wetland criteria during
the site visit. No wetlands meeting the jurisdictional criteria of a wetland were discovered,therefore
a wetland boundary was NOT determined and delineated (Figure 5). The eastern portion of the
property was also investigated due to the area being mapped as a hydric soil. A ditch was discovered
along the eastern boundary that moves between the property boundary of the parcel to the east and
the subject property. No wetland vegetation or hydric soils were discovered when the area was
sampled.Vegetation that exists along the ditch is common buckthorn(Rhamnus cathartica,FACU).
The ditch itself is intermittent and higher in elevation than the areas to the north and south therefore
it likely serves only as a means to carry water away from the properties to the east and west.Detailed
soils, vegetation, and hydrology data for the areas described are provided in the data sheets of the
Technical Documentation Section. Table 1, below, identifies several pertinent attributes as they
pertain to each sample location.
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Svoboda Ecological Resources 51� Ferndale
Project No.:2009-056-03 5 Denali Custom Homes
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Svoboda Ecological Resources 515 Ferndale
ProjectNo.:2009-056-03 6 Denali Custom Homes
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Photo 3: Sample Point 3 near silt fence and soil pile.
Table 1: Wetland attributes. See the Data Sheets within the Technical Documentation Section for a
detailed description and analysis of each sample point.
� ' i I � � � i i � i
'i � � l � i i i.• ii
Non- Smooth brome (Brorr�us ineivnis�, NI)
1 None No Reed canary grass (Phaluris• ar�unc/in��ceu, FACW)
Hydric Kentucky bluegrass (Poa praterzsis, FAC)
Canada goldenrod (Solidago cunadensis, FACU)
2 None Yes Hydric Kentucky bluegrass (Poa pratensis, FAC)
Common buckthorn (Rhamnus cathurtica, FACU)
Boxelder(Acer negundo, FACW)
Non- Smooth brome (Bromus iner•mis, NI)
3 None Yes Hydric Reed canary grass (Phalaris arundinaceu, FACW)
Kentucky bluegrass (Poa pratensis, FAC)
Non- Reed canary grass (Phalaris arundinacea, FACW)
4 No�1e Yes Hydric Kentucky bluegrass (Poa pratensis, FAC)
Canada Thistle (Circium arvense, FACU)
Svoboda Ecological Resources 5 l� 1'erndale
Project No.:2009-056-03 '] Denali Custom Homes
The subject property was investigated for wetland outside of the growing season which may impact
the progress of the project given that wetlands are normally delineated during the growing season,
which regulatory agencies typically recognize as between early May and late September.Regulatory
agents may chose to refrain from making a decision based on this fact and defer it to the spring of
2010 when hydrology is typically present throughout the region.
The on-site investigation shows strong evidence that no wetland is present,however.Areas that were
investigated were chosen due a visual dominance of hydrophytic vegetation,mapped wetland on the
NWI and a mapped hydric soil. When these areas were examined they all were lacking the necessary
indicators of hydric soil. Some areas had a dominance of wetland vegetation, however. Primary
hydrology indicators were not observed as can be expected due to normal seasonal fluctuations in
hydrology but secondary indicators were not present either.
SER believes that some of the area that harbors hydrophytic vegetation may have water at these
locations for short periods of time during heavy rain events which is long enough for the
establishment of adaptive hydrophyts to proliferate. The sandy soils allow the water to infiltrate
quickly thus hydric soil cannot form. Some of the investigated areas are also on hill slopes which
would also be a factor in water not existing there long enough to harbor wetland due to runoff.
Wetland vegetation that exists at these locations is mostly reed canary grass which is very prolific
and is known to thrive up slope where water can be lacking despite its status as a facultative wetland
plant.
DISCUSSION
SER completed all on-site investigations based on the three required technical criteria as outlined by
the 1987 Manual: the presence of hydric soils, a predominance of hydrophytic vegetation, and
indicators of wetland hydrology in each basin. The site visit portion of the wetland delineation was
completed on December 4, 2009.
SER personnel examined the subject property for areas meeting jurisdictional wetland criteria during
the site visit and found no jurisdictional wetland(Figure 5). Detailed soils,vegetation and hydrology
data for Sample Areas 1,2, 3 and 4 are provided in the data sheets of The Technical Documentation
Section. A set of full-scale figures is given in the figures section.
RECOMMENDATIONS
Activities which impact or potentially impact wetlands are currently regulated at several levels of
government. In Minnesota, the two primary jurisdictions are covered at the state and federal levels
Svoboda Ecological Resources 515 Ferndale
Project No.:2009-056-03 g Denali Custom Homes
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 this wetland delineation investigation that SER has completed is 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 areas SER has investigated for
wetland. No grading or filling in wetland basins (if found) should commence until all necessary
permits have been obtained. Violation of wetland regulations has resulted 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 wetlands may also be protected. Any activities in the proximity of the investigated
areas should be cleared with appropriate WCA regulatory agencies. It is also advisable to have
wetland boundaries surveyed by a licensed land surveyor. Since the pin flags used along boundaries
can be vandalized or inadvertently knocked over. The client should also be aware that approved
wetland boundaries or approval for an absence of wetlands are typically valid for only three 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 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
delineated wetlands or other areas. By initiating the permit process as soon as possible, potential
costly delays to the project may be avoided.
Svoboda Ecological Resources 515 Ferndale
Project No.:2009-0�6-03 9 Denali Custom Homes
CERTIFICATION
Brian Burgner completed the above-described delineation investigationon December 4, 2009. This
delineation investigation was performed according to the procedures described by the US Army
Corps of Engineers in the 1987 Wetlands Delineation Manual and the 2007 Midwest Region
Supplement Wetland Delineation Manual. The delineation investigation meets the standards and
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 Brian Burgner (Wetland Ecologist II) on this day,
December 15, 2009.
Client: Denali Custom Homes
Project Name: 515 Ferndale Rd
Project No.: 2009-065-03
Location: Orono, Minnesota
. ;
�K�� ,
Ecologist II
Wetland Delineator-Certified# ll24
���---- d� �-�
President, Svoboda Ecological Resources
December 1 S, 2009
Date
Svoboda Ecological Resources 515 Ferndale
Project No.:2009-056-03 10 Denali Custom Homes
DATA SOURCES
Minnesota Department of Natural Resources Protected Waters Inventory Map, Hennipin County.
1985, Revised 1996.
Soil Survey of Hennepin Counry. 2004 U.S.D.A. 1059pp.
United States Fish and Wildlife Service National Wetland Inventory Map—Excelsior
Quadrangle. 1991. (Taken from May 1980 aerial photographs).
USGS Quadrangle Map—Excesior 7.5-Minute Quadrangle, Minnesota, U.S.A.
2006 USGS Aerial Color Photos. Publicly Distributed Over the Land Management Information
Center (LMIC) Website.
Svoboda Ecological Resources 51� Ferndale
Project No.:2009-056-03 j] Denali Custom Homes
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. 1997. Wetland Plants and Plant Communities of
Minnesota and Wisconsin. US Army Corps of Engineers, St. Paul District. 263pp, unclassified.
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.
National Technical Committee for Hydric Soils. 1991. Hydric Soils of the United States.
USDA Soil Conservation Service, Washington, D.C., Misc. Publication Number 1491. 1991.
Sabine, B. J. 1999. National List of Plant Species that Occur in Wetland.s: Region 3 —North
Central (Indiana, Illinois, lowa, Michigan, Minnesota, Missouri, Wisconsin). Resource
Management Group, Inc. 77pp.
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. 2007. Interim Regional Supplement to the Corps of Engineers
Wetland Delineation Manual: Midwest Region. ed. J.S. Wakeley, R.W. Lichvar, and C.V.
Nobel. ERDC/EL TR- . Vicksburg, MS: US Army Engineer Research and Development
Center.
Svoboda Ecological Resources 515 Ferndale
Project No.:2009-056-03 12 Denali Custom Homes
FIGURES
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T118N, R23w. Sample Point Location Map `� Figure 5
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soo 515 Ferda le
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THE TECHNICAL DOCUMENTATION SECTION
Field Data Sheets
WETLAND DETERMINATION FORM—Midwest Region
Project/Site:515 Ferndale City/County: Hennepin Sampling Date: 12/04/2009
Applicant/Owner: Steve Clinton State: MN Sampling Point:Sample Point 1
Investigator(s): BKB Section,Township, Range:Sec. 36 T118N. R23W
Landform (hillslope,terrace, etc.): Hillslope Local relief(concave, convex, none): none Slope(%):4
Subregion(LRR):_ Lat:44.98723780 Long:-93.52512000 Datum: NAD83
Soil Map Unit Name: Lester NWI classification: none
Are climatic/hydrologic conditions on the site typical for this time of year? Yes (if no,exp/ain in Remarks.)
Are Vegetation J Soil_,or Hydrology_significantly disturbed? Are"Normal Circumstances" present? Yes
Are Vegetation J Soil J or Hydrology_naturally problematic? (if needed, explain any answers in Remarks.)
SUMMARY OF Findings—Attach site map showing sampling point locations,transects,important features,etc.
Hydrophytic Vegetation Present? Yes Is the Sampled Area within a Wetland? No
Hydric Soil Present? No
Wetland Hydrology Present? No
Remarks:
VEGETATION—Use scientific names of plants.
Tree Stratum (Plot size: 0 ) Absolute% Dominant Indicator pominance Test worksheet:
Cover Species? Status Number of Dominant Species
1. That Are OBL, FACW,or FAC: 2 (A)
2.
3. Total Number of Dominant
4. Species Across All Strata: 3 (B)
5.
Total Cover=0 Percent of Dominant Species
Sapling/Shrub Stratum (Plot size: 0 ) That Are OBL, FACW, or FAC: 66 (A/B)
1.
Z• Prevalence Index worksheet:
3• Total%Cover of: Multiplv bv:
4• OBL species 0 x 1= 0
5• FACW species 15 x 2= 30
Total Cover=0 FAC species 30 x 3= 90
Herb Stratum (Plot size: 5 ft ) FACU species 0 x 4= 0
1. Bromus inermis 15 Yes NI UPL species 0 x 5= 0
2. Phalaris arundinacea 15 Yes FACW+ Column Totals: 45 (A) 120 (B)
3. Poa pratensis 30 Yes FAC-
4• Prevalence Index=B/A=2.67
5.
6.
7.
8.
9.
10.
Total Cover=60
Woody Vine Stratum (Plot size: 0 ) Hydrophytic Vegetation Indicators:
1. X Dominance Test is>50%
2. X Prevalence Index is<3.01
Total Cover=0 _Morphological Adaptationsl(Provide
supporting data in Remarks or on a separate
sheet)
_Problematic Hydrophytic Vegetationl
(Explain)
'Indicators of hydric soil and wetland
hydrology must be present, unless disturbed
or problematic.
Hydrophytic Vegetation Present? No
Remarks:
Wetlands data compiled using Juniper Systems, Inc. Everglade'"'wetland delineation software Midwest Region
501 L
Profile Description: (Describe to the depth needed to document the indicator or confirm the absence of indicators.)
Matrix Redox Features
Depth Color(moist) % Color(moist) % Type Loc Texture Remarks
1.0=4 lOYR 3 2 100 0 Sandy Loam
2.4-20 10YR 5 4 100 0 Sandy Clav Loam
3.
4.
5.
6.
7.
Type:C=Concentration, D=Depletion, RM=Reduced Matrix, CS=Covered or Coated Sand Grains. Location: PL=Pore Lining, M=Matrix
Hydric Soil Indicators: (Applicable to all LRRs, unless otherwise noted.) Indicators for Problematic Hydric Soils
_Histosol _Sandy Gleyed Matrix(S4) _Coast Prairie Redox(A16)
_Histic Epipedon(A2) _Sandy Redox(S5) _Iron-Manganese Masses(F12)
_Black Histic(A3) _Stripped Matrix(S6) _Other(Explain in Remarks)
_Hydrogen Sulfide(A4) Loamy Mucky Mineral(F1)
_Stratified Layers(A5) Loamy Gleyed Matrix(F2)
_2 cm Muck(A10) Depleted Matrix(F3) Indicators of hydrophytic vegetation and wetland
_Depleted Below Dark Surface(All) _Redox Dark Surface(F6) hydrology must be present,unless disturbed or
_Thick Dark Surface(Al2) _Depleted Dark Surface(F7) problematic.
_Sandy Mucky Mineral(Sl) _Redox Depressions(F8)
5 cm Mucky Peat or Peat(S3)
Restrictive Layer(if present):
Type: Hydric Soil Present? No
Depth (inches):0
Remarks:
HYDROLOGY
Wetland Hydrology Indicators:
Primary Indicators(minimum of one required; check all that apply) Secondary Indicators(two or more required)
_Surface Water(A1) _Water-Stained Leaves(B9) _Surface Soil Cracks(B6)
_High WaterTable(A2) _Aquatic Fauna(B13) _Drainage Patterns(B10)
_Saturation(A3) _True Aquatic Plants(B14) _Dry-Season Water Table(C2)
_Water Marks(B1) _Hydrogen Sulfide Odor(C1) _Crayfish Burrows(C8)
_Sediment Deposits(B2) _Oxidized Rhizospheres along Living Roots(C3) _Saturation Visible on Aerial Imagery(C9)
_Drift Deposits(B3) _Presence of Reduced Iron(C4) _Stunted or Stressed Plants(D1)
_Algal Mat or Crust(64) _Recent Iron Reduction in Tilled Soils(C6) _Geomorphic Position(D2)
_Iron Deposits(B5) _Thin Muck Surface(C7) _FAC-Neutral Test(D5)
_Inundation Visible on Aerial Imagery(67) _Gauge or Well Data(D9)
_Sparsely Vegetated Concave Surface(68) _Other(Explain in Remarks)
Field Observations:
Surface Water Present? No Depth (inches): 0 Wetland Hydrology Present? No
Water Table Present? No Depth (inches): 0
Saturation Present? No Depth (inches): 0
Describe Recorded Data (stream gauge, monitoring well, aerial photos, previous inspections), if available:
Remarks: No indicators Observed
Wetlands data compiled using JuniperSystems, Inc. Everglader"'wetland delineation software Midwest Region
WETLAND DETERMINATION FORM—Midwest Region
Project/Site:515 Ferndale City/County: Hennepin Sampling Date: 12/04/2009
Applicant/Owner: Steve Clinton State: MN Sampling Point:Sample Point 2
Investigator(s): BKB Section,Township, Range:Sec.36 T118N. R23W
Landform (hillslope,terrace, etc.): Hillslope Local relief(concave, convex, none): none Slope(%):S
Subregion (LRR):_ Lat:44.98783100 Long:-93.52550920 Datum: NAD83
Soil Map Unit Name: Dundas Cordova comp NWI classification: PEMC
Are climatic/hydrologic conditions on the site typical for this time of year? Yes (if no,explain in Remarks.)
Are Vegetation J Soil___,or Hydrology_significantly disturbed? Are"Normal Circumstances" present? Yes
Are Vegetation J Soil___, or Hydrology_naturally problematic? (if needed, explain any answers in Remarks.)
SUMMARY OF Findings—Attach site map showing sampling point locations,transects,important features,etc.
Hydrophytic Vegetation Present? No Is the Sampled Area within a Wetland? No
Hydric Soil Present? No
Wetland Hydrology Present? No
Remarks:
VEGETATION—Use scientific names of plants.
Tree Stratum (Plot size: 30 ft rad ) Absolute% Dominant Indicator pominance Test worksheet:
Cover Species? Status Number of Dominant Species
1.Acer ne�undo 20 Yes FACW- That Are OBL, FACW, or FAC: 2 (A)
2.
3• Total Number of Dominant
4• Species Across All Strata: 4 (B)
5.
Total Cover=20 Percent of Dominant Species
Sapling/Shrub Stratum (Plot size: 15 ft rad ) That Are OBL, FACW, or FAC: 50 (A/B)
1. Rhamnus cathartica 25 Yes FACU
2� Prevalence Index worksheet:
3' Total%Cover of: Multiply bv:
4� OBL species 0 x 1= 0
5� FACW species 25 x 2= 50
Total Cover=25 FAC species 40 x 3= 120
Herb Stratum(Plot size: 5 ft rad ) FACU species 45 x 4= 180
1. Poa pratensis 40 Yes FAC UPL species 0 x 5= 0
2. Phalaris arundinacea 5 No FACW Column Totals: 110 (A) 350 (B)
3.Solida�o canadensis 20 Yes FACU
4� Prevalence Index=B/A= 3.18
5.
6.
7.
8.
9.
10.
Total Cover=65
Woody Vine Stratum (Plot size: 0 ) Hydrophytic Vegetation Indicators:
1• Dominance Test is>50%
2• Prevalence Index is<3.01
Total Cover=0 _Morphological Adaptationsl(Provide
supporting data in Remarks or on a separate
sheet)
_Problematic Hydrophytic Vegetationl
(Explain)
llndicators of hydric soil and wetland
hydrology must be present, unless disturbed
or problematic.
Hydrophytic Vegetation Present? No
Remarks:
Wetlands data compiled using Juniper Systems, Inc. EvergladeT"'wetland delineation software Midwest Region
SOI L
Profile Description:(Describe to the depth needed to document the indicator or confirm the absence of indicators.)
Matrix Redox Features
Depth Color(moist) % Color(moist) % Type Loc Texture Remarks
1.0=5 10YR 3 1 100 0 Sandv Clay Loam
2.5-22 10YR 2 1 100 0 Clav
3.
4.
S.
6.
7.
Type:C=Concentration, D=Depletion, RM=Reduced Matrix,CS=Covered or Coated Sand Grains. Location: PL=Pore Lining, M=Matrix
Hydric Soil Indicators: (Applicable to all LRRs,unless otherwise noted.) Indicators for Problematic Hydric Soils
_Histosol _Sandy Gleyed Matrix(S4) _Coast Prairie Redox(A16)
_Histic Epipedon(A2) _Sandy Redox(S5) _Iron-Manganese Masses(F12)
_Black Histic(A3) _Stripped Matrix(56) _Other(Exp�ain in Remarks)
_Hydrogen Sulfide(A4) _Loamy Mucky Mineral(F1)
_Stratified Layers(A5) _Loamy Gleyed Matrix(F2)
_2 cm Muck(A10) _Depleted Matrix(F3) Indicators of hydrophytic vegetation and wetland
_Depleted Below Dark Surface(All) _Redox Dark Surface(F6) hydrology must be present,unless disturbed or
_Thick Dark Surface(Al2) _Depleted Dark Surface(F7) problematic.
_Sandy Mucky Mineral(S1) _Redox Depressions(F8)
5 cm Mucky Peat or Peat(S3)
Restrictive Layer(if present):
Type: Hydric Soil Present? No
Depth (inches):0
Remarks:
HYDROLOGY
Wetland Hydrology Indicators:
Primary Indicators(minimum of one required; check all that apply) Secondary Indicators(two or more required)
_Surface Water(Al) _Water-Stained Leaves(B9) _Surface Soil Cracks(66)
_High WaterTable(A2) _Aquatic Fauna(613) _Drainage Patterns(B10)
_Saturation(A3) _True Aquatic Plants(614) _Dry-Season Water Table(C2)
_Water Marks(B1) _Hydrogen Sulfide Odor(Cl) _Crayfish Burrows(C8)
_Sediment Deposits(82) _Oxidized Rhizospheres along Living Roots(C3) _Saturation Visible on Aerial Imagery(C9)
_Drift Deposits(63) _Presence of Reduced Iron(C4) _Stunted or Stressed Plants(D1)
_Algal Mat or Crust(64) _Recent Iron Reduction in Tilled Soils(C6) _Geomorphic Position(D2)
_Iron Deposits(65) _Thin Muck Surface(C7) _FAC-Neutral Test(D5)
_Inundation Visible on Aerial Imagery(67) _Gauge or Well Data(D9)
_Sparsely Vegetated Concave Surface(B8) _Other(Explain in Remarks)
Field Observations:
Surface Water Present? No Depth (inches): 0 Wetland Hydrology Present? No
Water Table Present? No Depth (inches): 0
Saturation Present? No Depth (inches): 0
Describe Recorded Data (stream gauge, monitoring well,aerial photos, previous inspections), if available:
Remarks: No Hydrology indicators were observed
Wetlands dara compiled using luniper Systems, Inc. Everglade'"'wetland delineation sofrware Midwest Region
WETLAND DETERMINATION FORM-Midwest Region
Project/Site:515 Ferndale City/County: Hennepin Sampling Date: 12/04/2009
Applicant/Owner: Steve Clinton State: MN Sampling Point:Sample Point 3
Investigator(s): BKB Section,Township, Range:Sec.36 T118N, R23W
Landform(hillslope,terrace, etc.): Hillslope Local relief(concave, convex, none): none Slope(%):0
Subregion (LRR):_ Lat:44.98782980 Long:-93.52536010 Datum: NAD83
Soil Map Unit Name:dundas cordova complex NWI classification: PEMC
Are climatic/hydrologic conditions on the site typical for this time of year? Yes (if no, explain in Remarks.)
Are Vegetation J Soil J or Hydrology_significantly disturbed? Are"Normal Circumstances" present? Yes
Are Vegetation J Soil J or Hydrology_naturally problematic? (if needed,explain any answers in Remarks.)
SUMMARY OF Findings-Attach site map showing sampling point locations,transects,important features,etc.
Hydrophytic Vegetation Present? Yes Is the Sampled Area within a Wetland? No
Hydric Soil Present? No
Wetland Hydrology Present? No
Remarks:
VEGETATION-Use scientific names of plants.
Tree Stratum(Plot size: 0 ) Absolute% Dominant Indicator pominance Test worksheet:
Cover Species? Status Number of Dominant Species
1• That Are OBL, FACW,or FAC: 2 (A)
2.
3• Total Number of Dominant
4• Species Across All Strata: 3 (B)
5.
Total Cover=0 Percent of Dominant Species
Sapling/Shrub Stratum (Plot size: 0 ) That Are OBL, FACW, or FAC: 66 (A/B)
1.
2• Prevalence Index worksheet:
3• Total%Cover of: Multiplv bv:
4• OBL species 0 x 1= 0
5• FACW species 15 x 2= 30
Total Cover=0 FAC species 35 x 3= 105
Herb Stratum(Plot size: 0 ) FACU species 0 x 4= 0
1. Poa pratensis 35 Yes FAC UPL species 0 x 5- 0
2. Phalaris arundinacea 15 Yes FACW Column Totals: 50 (A) 135 (B)
3. bromus 20 Yes
4• Prevalence Index=B/A= 2.70
5.
6.
7.
8.
9.
10.
Total Cover=70
Woody Vine Stratum (Plot size: 0 ) Hydrophytic Vegetation Indicators:
1• X Dominance Test is>50%
2• X Prevalence Index is<3.01
Total Cover=0 _Morphological Adaptationsl(Provide
supporting data in Remarks or on a separate
sheet)
_Problematic Hydrophytic Vegetationl
(Explain)
llndicators of hydric soil and wetland
hydrology must be present, unless disturbed
or problematic.
Hydrophytic Vegetation Present?Yes
Remarks:
Wetlands data compiled using luniper Systems, Inc. EvergladeT"'wetland delineation software Midwest Region
501 L
Profile Description: (Describe to the depth needed to document the indicator or confirm the absence of indicators.)
Matrix Redox Features
Depth Color(moist) % Color(moist) % Type Loc Texture Remarks
1.0=7 10YR 3 1 100 0 Sandy Clay Loam
2. 7-24 10YR 2 1 Clay
3. 100
4.
5.
6.
Type:C=Concentration, D=Depletion, RM=Reduced Matrix, CS=Covered or Coated Sand Grains. Location: PL=Pore Lining, M=Matrix
Hydric Soil Indicators: (Applicable to all LRRs, unless otherwise noted.) Indicators for Problematic Hydric Soils
_Histosol _Sandy Gleyed Matrix(S4) _Coast Prairie Redox(A16)
_Histic Epipedon(A2) _Sandy Redox(S5) _Iron-Manganese Masses(F12)
_Black Histic(A3) _Stripped Matrix(S6) _Other(Explain in Remarks)
_Hydrogen Sulfide(A4) _Loamy Mucky Mineral(F1)
_Stratified Layers(A5) _Loamy Gleyed Matrix(F2)
_2 cm Muck(A10) _Depleted Matrix(F3) Indicators of hydrophytic vegetation and wetland
_Depleted Below Dark Surface(A11) _Redox Dark Surface(F6) hydrology must be present,unless disturbed or
_Thick Dark Surface(Al2) _Depleted Dark Surface(F7) problematic.
_Sandy Mucky Mineral(S1) Redox Depressions(F8)
5 cm Mucky Peat or Peat(S3)
Restrictive Layer(if present):
Type: Hydric Soil Present? No
Depth (inches):0
Remarks:
HYDROLOGY
Wetland Hydrology Indicators:
Primary Indicators(minimum of one required; check all that apply) Secondary Indicators(two or more required)
_Surface Water(Al) _Water-Stained Leaves(B9) _Surface Soil Cracks(86)
_High Water Table(A2) _Aquatic Fauna(B13) _Drainage Patterns(B10)
_Saturation(A3) _True Aquatic Plants(B14) _Dry-Season WaterTable(C2)
_Water Marks(B1) _Hydrogen Sulfide Odor(C1) _Crayfish Burrows(C8)
_Sediment Deposits(62) _Oxidized Rhizospheres along Living Roots(C3) _Saturation Visible on Aerial Imagery(C9)
_Drift Deposits(63) _Presence of Reduced Iron(C4) _Stunted or Stressed Plants(D1)
_Algal Mat or Crust(B4) _Recent Iron Reduction in Tilled Soils(C6) _Geomorphic Position(D2)
_Iron Deposits(65) _Thin Muck Surface(C7) _FAC-Neutral Test(D5)
_Inundation Visible on Aerial Imagery(B7) _Gauge or Well Data (D9)
_Sparsely Vegetated Concave Surface(B8) _Other(Explain in Remarks)
Field Observations:
Surface Water Present? No Depth (inches): 0 Wetland Hydrology Present? No
Water Table Present? No Depth (inches): 0
Saturation Present? No Depth (inches): 0
Describe Recorded Data (stream gauge, monitoring well,aerial photos, previous inspections), if available:
Remarks: No hydrology indicators observed
Wetlands data compiled using Juniper Systems, Inc. Everg/ader"'wetland delineation software Midwest Region
WETLAND DETERMINATION FORM—Midwest Region
Project/Site:515 Ferndale City/County: Hennepin Sampling Date: 12/04/2009
Applicant/Owner: Steve Clinton State: MN Sampling Point: Sample Point 4
Investigator(s): BKB Section,Township, Range:Sec.36 T118N, R23W
Landform(hillslope,terrace, etc.): Hillslope Local relief(concave, convex, none): none Slope(%):0
Subregion (LRR):_ Lat:44.98770730 Long:-93.52506610 Datum: NAD83
Soil Map Unit Name: Lester NWI classification: PEMC
Are climatic/hydrologic conditions on the site typical for this time of year? Yes (if no, explain in Remarks.)
Are Vegetation_, Soil___,or Hydrology_significantly disturbed? Are"Normal Circumstances" present? Yes
Are Vegetation J Soil J or Hydrology_naturally problematic? (if needed, explain any answers in Remarks.)
SUMMARY OF Findings—Attach site map showing sampling point locations,transects,important features,etc.
Hydrophytic Vegetation Present? Yes Is the Sampled Area within a Wetland? No
Hydric Soil Present? No
Wetland Hydrology Present? No
Remarks:
VEGETATION—Use scientific names of plants.
Tree Stratum(Plot size: 0 ) Absolute% Dominant Indicator pominance Test worksheet:
Cover Species? Status Number of Dominant Species
1. That Are OBL, FACW,or FAC: 2 (A)
2.
3. Total Number of Dominant
4. Species Across All Strata: 2 (B)
5.
Total Cover=0 Percent of Dominant Species
Sapling/Shrub Stratum (Plot size: 0 ) That Are OBL, FACW, or FAC: 100 (A/B)
1.
2� Prevalence Index worksheet:
3• Total%Cover of: Multiplv by:
4� OBL species 0 x 1= 0
5• FACW species 60 x 2= 120
Total Cover=0 FAC species 30 x 3= 90
Herb Stratum (Plot size: 0 ) FACU species 5 x 4= 20
1. Phalaris arundinacea 60 Yes FACW UPL species 0 x 5= 0
2. Poa pratensis 30 Yes FAC Column Totals: 95 (A) 230 (B)
3. Cirsium arvense 5 No FACU
4• Prevalence Index=B/A= 2.42
5.
6.
7.
8.
9.
10.
Total Cover=95
Woody Vine Stratum (Plot size: 0 ) Hydrophytic Vegetation Indicators:
1. X Dominance Test is>50%
2. X Prevalence Index is<3.01
Total Cover=0 _Morphological Adaptationsl(Provide
supporting data in Remarks or on a separate
sheet)
_Problematic Hydrophytic Vegetationl
(Explain)
llndicators of hydric soil and wetland
hydrology must be present, unless disturbed
or problematic.
Hydrophytic Vegetation Present?Yes
Remarks:
Wetlands data compiled using Juniper Systems, Inc. Everglade'"'wetland delineation software Midwest Region
SOI L
Profile Description: (Describe to the depth needed to document the indicator or confirm the absence of indicators.)
Matrix Redox Features
Depth Color(moist) % Color(moist) % Type Loc Texture Remarks
1. 0-10 10YR 4 4 0 0 Sandy Loam
2. 10- 10YR 5 6 0 0 Sandy CIaV Loam
18 2.5Y 3 2 100 10YR 3 6 10 RM M Very Fine Sandv Loam
3. 18-
23
4.
5.
6.
7.
Type:C=Concentration, D=Depletion, RM=Reduced Matrix,CS=Covered or Coated Sand Grains. Location: PL=Pore Lining, M=Matrix
Hydric Soil Indicators:(Applicable to all LRRs,unless otherwise noted.) Indicators for Problematic Hydric Soils
_Histosol _Sandy Gleyed Matrix(S4) _Coast Prairie Redox(A16)
_Histic Epipedon(A2) Sandy Redox(S5) _Iron-Manganese Masses(F12)
_Black Histic(A3) Stripped Matrix(S6) _Other(Explain in Remarks)
_Hydrogen Sulfide(A4) Loamy Mucky Mineral(F1)
_Stratified Layers(A5) Loamy Gleyed Matrix(F2)
_2 cm Muck(A10) _Depleted Matrix(F3) Indicators of hydrophytic vegetation and wetland
_Depleted Below Dark Surface(A11) _Redox Dark Surface(F6) hydrology must be present,unless disturbed or
_Thick Dark Surface(Al2) _Depleted Dark Surface(F7) problematic.
_Sandy Mucky Mineral(Sl) _Redox Depressions(F8)
5 cm Mucky Peat or Peat(S3)
Restrictive Layer(if present):
Type: Hydric Soil Present? No
Depth (inches):0
Remarks:
HYDROLOGY
Wetland Hydrology Indicators:
Primary Indicators(minimum of one required; check all that apply) Secondary Indicators(two or more required)
_Surface Water(Al) Water-Stained Leaves(B9) _Surface Soil Cracks(66)
_High WaterTable(A2) _Aquatic Fauna(B13) _Drainage Patterns(B10)
_Saturation(A3) True Aquatic Plants(B14) _Dry-Season Water Table(C2)
_Water Marks(B1) _Hydrogen Sulfide Odor(C1) _Crayfish Burrows(C8)
_Sediment Deposits(62) Oxidized Rhizospheres along Living Roots(C3) _Saturation Visible on Aerial Imagery(C9)
_Drift Deposits(63) Presence of Reduced Iron(C4) _Stunted or Stressed Plants(D1)
_Algal Mat or Crust(64) Recent Iron Reduction in Tilled Soils(C6) _Geomorphic Position(D2)
_Iron Deposits(65) Thin Muck Surface(C7) _FAC-Neutral Test(D5)
_Inundation Visible on Aerial Imagery(67) Gauge or Well Data(D9)
_Sparsely Vegetated Concave Surface(68) _Other(Explain in Remarks)
Field Observations:
Surface Water Present? No Depth (inches): 0 Wetland Hydrology Present? No
Water Table Present? No Depth (inches): 0
Saturation Present? No Depth (inches): 0
Describe Recorded Data (stream gauge, monitoring well,aerial photos, previous inspections), if available:
Remarks: No Hydrology Indicators found
Wetlands data compiled using Juniper Systems, Inc. Everglader"'wetland delineation software Midwest Region
THE TECHNICAL DOCUMENTATION SECTION
Plant Indicator Status
INDICATOR CATEGORIESX
Obligate Wetland (OBL) —Occur almost always (estirriated probabi/ity >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 ar 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
DUNDAS SERIES
The Dundas series consists of deep somewhat poorly drained soils that formed in loamy calcareous glacial
till on glacial moraines. These soils have moderately slow permeability. Their slopes range from 0 to 2
percent. Mean annual precipitation is about 29 inches and mean annual temperature is about 48 degrees F.
TAXONOMIC CLASS: Fine-loamy, mixed, superactive, mesic Mollic Endoaqualfs
TYPICAL PEDON: Dundas silt loam with a slightly convex slope of 1 percent on a
ground moraine in a cultivated field. (Colors are for moist soil unless otherwise noted.)
Ap--O to 7 inches; very dark gray (lOYR 3/1) silt loam, gray (lOYR 5/10) dry; weak fine
and medium subangular blocky structure; friable; about 2 percent coarse fragments;
neutral; abrupt smooth boundary. (6 to 10 inches thick)
Al2--7 to 9 inches; very dark gray (lOYR 3/1) silt loam, gray (lOYR 5/1) dry; weak fine
granular structure; friable; about 2 percent coarse fragments; slightly acid; abrupt wavy
boundary. (0 to 3 inches thick)
A2--9 to 15 inches; dark gray (lOYR 4/1) loam, dark grayish brown (lOYR 4/2) faces of
peds, light gray (lOYR 6/1) dry and rubbed; moderate fine and medium subangular
blocky structure with a tendency toward platy; friable; about 5 percent coarse fragments;
strongly acid; clear wavy boundary. (2 to 8 inches thick)
Bltg--15 to 20 inches; dark grayish brown (2.SY 4/2) heavy loam; common fine and
medium distinct light olive brown (2.SY 5/4) mottles; moderate fine and medium
subangular blocky structure; friable; common medium and thick gray (lOYR 6/1) coats of
clean silt grains on faces of peds; few thin clay films on faces of peds; about 5 percent
coarse fragments; strongly acid; clear wavy boundary. (0 to 8 inches thick)
B21tg--20 to 26 inches; grayish brown (2.SY 5/2) clay loam; common fine distinct light
olive brown (2.SY 5/4) mottles; moderate fine and medium subangular blocky structure;
firm; few thin gray (lOYR 6/1) coats of clean silt grains on faces of peds; few thin
grayish brown (2.SY 5/2) clay films on faces of peds; about 5 percent coarse fragments;
strongly acid; clear wavy boundary. (4 to 10 inches thick)
B22t--26 to 31 inches; olive (SY 5/3) clay loam; many medium faint olive gray (SY 5/2)
and many fine distinct yellowish brown (lOYR 5/8) mottles; strong medium and coarse
prismatic structure parting to moderate medium and coarse angular blocky structure;
firm; thin to thick continuous very dark gray (lOYR 3/1) and dark gray (lOYR 4/1) clay
films on faces of peds; common black(lOYR 2/1) clayey fillings in old root channels;
few thin coats of clean silt grains on faces of peds; few dark oxide stains and concretions;
about 5 percent coarse fragments; medium acid; clear wavy boundary. (4 to 12 inches
thick)
B3--31 to 40 inches; olive (SY 5/3) clay loam; many medium faint olive gray (SY 5/2)
and many medium distinct yellowish brown (lOYR 5/8) mottles; moderate coarse
prismatic structure; firm; medium and thick continuous very dark gray (lOYR 3/1) and
dark gray (lOYR 4/1) clay films on faces of peds; common black (lOYR 2/1) clayey
fillings in old root channels; few dark oxide stains and concretions; about 5 percent
coarse fragments; medium acid; clear wavy boundary. (4 to 12 inches thick)
Cg--40 to 60 inches; grayish brown (2.SY 5/2) loam; many medium faint light olive
brown (2.SY 5/4) and common fine distinct olive yellow (2.SY 6/8) mottles; massive;
friable; few black(lOYR 2/1) clayey fillings in old root channels in the upper part; few
soft grayish limy segregations; few dark oxide stains; about 5 percent coarse fragments;
violent effervescence; mildly alkaline.
TYPE LOCATION: Rice County, Minnesota; about 9 miles north of Faribault; 200 feet
south and 1,700 feet west of the northeast corner of sec. 7, T. 111 N., R. 20 W.
RANGE IN CHARACTERISTICS: Solum thickness and depth to free carbonates
range from 30 to 48 inches. Coarse fragments of mixed lithology typically occupy 1 to 8
percent by volume of the solum, but are lacking in the A horizon in some pedons.
The A1 and Ap harizons have lOYR hue, value of 2 or 3, and chroma of 1.
The A2 horizon has lOYR hue, value of 4 or 5, and chroma of 1 or 2. The A horizon is
fine sandy loam, sandy clay loam, loam, silt loam, light clay loam or light silty clay loam.
It has weak or moderate structure. It is friable or very friable and is slightly acid or
medium acid.
The B horizon has 2.SY or SY hue, value of 4 or 5, and chroma of 1, 2, or 3. Distinct or
prominent mottles are in most of the B horizon. The upper part of the B horizon typically
is heavy loam ar clay loam, but sandy clay loam high in silt, silty clay loam high in sand
and light clay are within the range. The lower part of the B horizon is sandy clay loam
high in silt, clay loam or loam. The upper 20 inches of the argillic horizon averages
between 30 and 35 percent clay and typically 20 to 35 percent fine sand and coarser. B/A
clay ratios typically are about 1.4, but range from 1.3 to 1.5. The B2 horizon has
moderate or strong subangular or angular blocky structure or weak to strong prismatic
structure with blocky secondary structure. The B horizon is friable in the coarser-textured
parts and firm in the finer textured parts. Reaction is slightly to very strongly acid in the
B 1 horizon and in the upper part of the B2 horizon, and medium acid to neutral in the
lower part of the B2 horizon. In the Bt horizon clay films are mostly medium to thick and
patchy to continuous. They typically have value of 2 or 3 and chroma of 1 or 2, but in the
upper part of the Bt horizons of some pedons they have value of 4 or 5.
The C horizon has 2.SY or SY hue. It is mildly or moderately alkaline.
COMPETING SERIES: These are the Beardstown, Cantril, Conover, Manheim,
Metamora, Monitor, Oran, Riceville, Romulus, Schlev, and Sk•�rg soils in the same
family and the similar Ames, Cordova, Havana, Milroy, and Shields soils. Beardstown
soils are not as acid in the lower part. of the B horizon and have warmer temperatures.
Cantril soils have lOYR hues in the B horizon. Conover soils have higher chroma in the
B horizon and typically l 0YR hue in the B and C horizons. Manheim soils have shale
fragments throughout and contain less clay. Metamora soils contain more sand in the
upper part of the solum. Monitor soils have thicker sola and warmer temperatures. Oran,
Riceville, Skyberg, and Havana soils formed in two distinct materials that are separated
by a stone line. Romulus soils have redder hue. Schley soils have thicker sola and contain
less clay. Ames soils contain more clay. Cordova soils have mollic epipedons. Shields
soils have fine textures.
GEOGRAPHIC SETTING: Dundas soils are on level or nearly level, plane to slightly
convex slopes on end or ground moraines. They formed mostly in friable calcareous,
glacial till of Late Wisconsin Age. In some pedons the upper part of the solum apparently
formed in somewhat modified glacial tilL The climate is humid continental with warm
summers and cold winters. Mean annual temperature is about 45 to 50 degrees F., and
mean annual precipitation is about 28 to 32 inches.
GEOGRAPHICALLY ASSOCIATED SOILS: These are Hayden, Nessel, and Hamel
soils which are members of a hydro sequence with the Dundas soils. Well drained
Hayden soils are on the more sloping areas. Moderately well drained Nessel soils are on
slightly elevated flats and gentle slopes. Poorly drained Hamel soils are on toe slopes.
DRAINAGE AND PERMEABILITY: Somewhat poorly and poorly drained. Surface
runoff is slow. Permeability is moderately slow.
USE AND VEGETATION: Mostly cropped to corn, soybeans, small grains, and hay.
Significant areas are in pasture or farested pasture. Native vegetation was miXed
deciduous forest and prairie grass.
DISTRIBUTION AND EXTENT: Southern and central Minnesota and north central
Iowa. Moderately extensive.
MLRA OFFICE RESPONSIBLE: St. Paul, Minnesota
SERIES ESTABLISHED: Scott County, Minnesota, 1957.
REMARKS: The Dundas series was classified as a Planosol Gray Brown Podzolic
intergrade in the former system.
Classification only was changed 5/94. Competing series and other updates will be made
later.
ADDITIONAL DATA: Refer to MAES Central File Code No. 994 for some results of
laboratory analysis of the typical pedon, and to Nos. 743, 829, and 830 for some data on a
pedon from Wright County and two pedons from Hennepin County.
LE STER SERIE S
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 Mollic 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 (lOYR 3/2) loam, grayish brown (lOYR 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 (lOYR 4/3) clay loam; moderate medium subangular blocky
structure; firm; many very fine roots; common very dark grayish brown (lOYR 3/2) clay
films on faces of peds and few very dark gray (lOYR 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 (lOYR 4/4) clay loam; moderate medium
subangular blocky structure; friable; common fine roots; common dark grayish brown
(lOYR 4/2) clay films on faces of peds and few very dark brown (l 0YR 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.)
Bk1--38 to 50 inches; yellowish brown (lOYR 5/4) loam; weak medium subangular
blocky structure; friable; few fine roots; common very pale brown (l 0YR 8/2) carbonate
threads; about 2 percent gravel; violently effervescent; slightly alkaline; clear wavy
boundary.
Bk2--50 to 60 inches; yellowish brown (lOYR 5/4) loam; weak medium subangular
blocky structure; friable; common fine distinct yellowish brown (lOYR 5/6) relict Fe
concentrations; common very pale brown (l 0YR 8/2) carbonate threads; about 2 percent
gravel; violently effervescent; slightly alkaline; clear wavy boundary.
C--60 to 80 inches; yellowish brown (lOYR 5/4) loam; ; massive; friable; common
medium distinct yellowish brown (lOYR 5/6) relict Fe concentrations and few fine
distinct light brownish gray (l 0YR 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 lOYR, 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 lOYR or 2.SY, 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 lOYR or 2.SYR, 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.SY or lOYR, 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 An�us, Arg�, Baltimore, Bassett, Bloomin�,
Caleb, Dowa iac, Dunbrid�e, Gara, Koronis, Lauramie, Lon�, L�dick, 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.SYR 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 mare 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, Hou h�, Klossner, Le Sueur, Muske�o, and Nessel soils. Poorly
drained Cordova and somewhat poarly 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.
CORDOVA SERIES
The Cordova series consists of very deep, poorly drained soils that formed mostly in loamy calcareous
glacial till on ground moraines and till plains. The upper part of the profile in some of these soils formed in
modified glacial till. These soils have moderately slow permeability. Their slopes are less than 2 percent.
Mean annual precipitation is about 28 inches. Mean annual temperature is about 48 degrees F.
TAXONOMIC CLASS: Fine-loamy, mixed, superactive, mesic Typic Argiaquolls
TYPICAL PEDON: Cordova clay loam with a plane slope of 1 percent in a cultivated
field. (Colors are for moist soil unless otherwise stated.)
Ap--O to 10 inches; black (N 2/0) clay loam, very dark gray (lOYR 3/1) dry; moderate
medium subangular blocky structure; friable; about 1 percent gravel; neutral; abrupt
wavy boundary.
A--10 to 18 inches; black (N 2/0) clay loam, very dark gray (lOYR 3/1) dry; moderate
medium subangular blocky structure; friable; about 1 percent gravel; neutral; clear wavy
boundary. (Combined A horizon is 8 to 20 inches.)
Btgl--18 to 30 inches; olive gray (SY 4/2) clay loam; few fine prominent dark yellowish
brown (lOYR 4/6) Fe concentrations; moderate medium angular blocky structure parting
to moderate fine angular blocky; friable; common very dark gray (SY 3/1) clay films on
faces of peds and in pores; about 3 percent gravel; neutral; clear wavy boundary.
Btg2--30 to 38 inches; olive gray (SY 5/2) clay loam; common fine prominent dark
yellowish brown (lOYR 4/6) Fe concentrations; weak medium subangular blocky
structure; friable; few distinct very dark gray (SY 3/1) clay films on faces of peds and in
pores; about 3 percent gravel; neutral; abrupt wavy boundary. (Combined Btg horizon is
12 to 40 inches thick.)
C--38 to 80 inches; light olive gray (SY 6/2) loam; common medium prominent
yellowish brown (lOYR 5/6) Fe concentrations; massive; friable; about 5 percent gravel;
strongly effervescent; slightly alkaline.
TYPE LOCATION: Waseca County, Minnesota; about 5 miles north of Waseca; 550
feet south and 1100 feet east of the northwest corner of Sec. 22, T.108N., R.22W.; USGS
Morristown quadrangle; lat. 44 degrees 8 minutes 32 seconds N. and long. 93 degrees 27
minutes 45 seconds W., NAD27.
RANGE IN CHARACTERISTICS: Depth to free carbonates ranges from 24 to 50
inches. Thickness of the mollic epipedon ranges from 10 to 24 inches. Rock fragment
content is 2 to 6 percent throughout and is of mixed lithology, but some pedons have less
than 2 percent in the upper part. The A horizons are neutral to moderately acid. The B
horizons range from strongly acid to slightly alkaline.
The Ap or A horizon has hue of lOYR, 2.SY or is neutral, value of 2 or 3 and chroma of 0
or L It is loam, silty clay loam, or clay loam. Eluviation is evident in some pedons by a
few porous coatings on the faces of peds in the lower A and/or upper B horiozns.
Some pedons have AB horizons.
The Btg horizon has a matrix with hue of lOYR to SY, value of 3 to 5, value of 3 is only
in the upper part, and chroma of 1 or 2. Some pedons have a BA horizon. The B horizon
typically is silty clay loam or clay loam but ranges to loam in the lower part. The upper
20 inches of the argillic horizon averages between 28 to 35 percent clay and exceeds 15
percent fine sand and coarser. The B/A clay ratios range from 1.2 to 1.4.
A Bk horizon is present in some pedons.
The C horizon has a matrix with SY or 2.SY hue, value of 4 to 6, and chroma of 2 to 4. It
is loam or clay loam and is slightly alkaline or moderately alkaline.
COMPETING SERIES: These are the Barrv, Berville, Brookston, Buntin�ville,
Clackamas, Hamel, Jameston, Maren�o, Mill�rove,Navan,Nosoni, Rensselaer, and
Westland series. Barry soils have less than 27 percent clay in the control section. Berville
soils contain more than 6 percent gravel in the control section. Brookston soils are more
moist in the soil moisture control section during the 120 days following the summer
solstice and have less montmorillonite in the lower part of the series control section.
Buntingville, Clackmas, and Nosoni soils are drier in the soil moisture control section
during the 120 days following the summer solstice. Hamel soils have A horizons 16 to 27
inches thick and and chroma of 1 or less in the upper B horizons. Jameston soils have
very firm till beginning at depths ranging from 18 to 30 inches. Marengo soils typically
have thicker sola, contain appreciable amounts of sedimentary rock fragments in the silty
clay lower B and C horizons, and are more moist in the soil moisture control section.
Millgrove soils have up to 15 percent gravel in the upper part and 7 percent or more in
the lower part of the control section and very poarly drained.. Navan soils have than 35
percent more clay in the lower B and C horizons. Rensselaer soils have reaction greater
than 6.1 in the upper part of the control section, are more moist in the moisture control
section and are poorly drained. Westland soils have 7 percent or more gravel in the lower
part of the control section.
GEOGRAPHIC SETTING: The Cordova soils have slightly concave to slightly convex
slopes on broad flat ridge tops in rolling moraine areas or on lower lying areas in ground
moraines and till plains. Slope gradients are 0 to 2 percent. Soils formed mostly in friable,
calcareous, loamy till of Late Wisconsinan age. However, the upper part of the sola in
some pedons is from modified glacial till or drift. The mean annual temperature is about
45 to 52 degrees F. Mean annual precipitation is about 26 to 32 inches.
GEOGRAPHICALLY ASSOCIATED SOILS: The main ones are the Dundas, Lester,
and Le Sueur soils. These soils formed in materials similar to those of the Cordova soils
and are members of a hydrosequence with the Cardova soils. The well drained Lester
soils are on nearby undulating to hilly slopes. The moderately well to somewhat poorly
drained Le Sueur and the somewhat poorly to poorly drained Dundas soils are on nearby
higher positions. The poorly drained Webster and Hamel soils and the very poorly
drained Glencoe soils are a nearby associate in a few places.
DRAINAGE AND PERMEABILITY: Poorly drained. Surface runoff is low.
Permeability is moderately slow.
USE AND VEGETATION: Most of the soil is cleared, drained and cropped to corn and
soybeans. A few areas remain in woodlots or permanent pasture. Native vegetation was
northern hardwoods, largely basswood, maple, and elm, and an understory of grasses and
sedges.
DISTRIBUTION AND EXTENT: South-central Minnesota and north-central Iowa.
Extensive.
MLRA OFFICE RESPONSIBLE: St. Paul, Minnesota
SERIES ESTABLISHED: Waseca County, Minnesota, 1963.
REMARKS: Diagnostic horizons and features recognized are: Mollic epipedon from 0
to 18 inches (Ap and AB horizons); argillic horizon from 18 to 38 inches (Btgl and Btg2
horizons); aquic moisture regime - low chroma with redox features beneath the mollic
epipedon.
ADDITIONAL DATA: Refer to pedon 69 MN-7-11 far results of some laboratory
analysis of the typical pedon of this series.
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% �nundation>6.6 ft. mean Not(Aquatic Habitat Zone,or Deep Water
water de th Habitat)
Semipermanently To Nearly �75_ Inundation defined as
ll Permanently[nundated Or ����o�o <_6.6 feet mean water Wetland
Saturated de th
j�� Regularly Inundated Or >25-75% Wetland
Saturated
�V 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 soils also present
are not wetlands
Intermittently Or Never o Areas with these
V� Inundated Or Saturated �5/o hydrologic characteristics Not
are not wetlands
A-1
The definition 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 l 80 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 ineans 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 indicatars 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, far 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.
A-2
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". Fieldwark 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.
A-3