HomeMy WebLinkAbout2002-wetland classification, ident., delin., & staking services .
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A-, SVOBODA ECOLOGICAL RESOURCES
1 ,,'� Providing'the Sharper Edge in Natural Resources & Environmental Consulting
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June 19, 2002
Mr. Guillaume Bastiaens '
625 North Ferndale Rd. -
Wayzata, MN 55391
RE: SER Project Name: Bastiaens Residence Wetland Delin.
SER Project No: 2002-066-03
Project Location: ' Portion of the NE1/4 of Section 36, T 118N, R 23W, City of
Orono, Hennepin County, Minnesota
Project Description: Wetland Classification, Identification, Delineation and Staking '
Services
Dear Mr. Bastiaens, -
As requested, Svoboda Ecological Resources (SER) visited the above referenced property on -
June-14, 2002, to examine the site for the presence of areas meeting wetland criteria. Criteria for
determining jurisdictional wetlands are as described in the 1987 U.S. Army Corps of Engineers
Wetlands Delineation Manual(1987 Manual) as required by the Minnesota Wetland
Conservation Act. The project site exhibits gently rolling topography and consists of two single-
_ family residences,mature forest and an open-water pond along the south side of the parcel. The
• subject property, approximately 5.25 acres, is bounded by Ferndale Road to the east,'Lydiard
Road to the north, a single-family residence to the west and an open-water pond to the south of
the subject property. Single-family housing is the current land uses surrounding the open-water'-
pond. Current land uses on the,other side of the bordering streets consist of single-family
housing. The property lies within the NEI/4 of Section 36, Township 118N, Range 23W,
Hennepin County, Minnesota,.Figure 1.
METHODS , . .
National Wetland Inventory(NWI) maps, the Soil Survey of Hennepin County maps, Minnesota '
Department of Natural Resources (DNR) Protected Waters maps, and aerial photographs were
reviewed prior to the site visit to identify areas of concern. 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 used to characterize wetland
types and determine wetland boundaries.
Sample transects were established in representative wetland-to-upland transition zones in order
to characterize the vegetation and hydrology of the site. The transects consisted of one
representative upland sample point and one representative wetland sample point. Information
obtained from the sample points can be found on the field data sheets located in Appendix A.
. . 2477 Shadywood Road • Excelsior, MN 55331
(952) 471-1100 (Office) • (952)471-0007 (Fax)
Wetland boundaries were marked at the site by blaze-orange "wetland boundary" flagging
attached to 4-foot wooden lath. 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 followed methods described by Cowardin et al. (1979) and used in the
NWI completed by the U.S. Fish and Wildlife Service. The Circular 39 classification (Shaw and
Fredine 1956) is also given. The indicator status of plants, as described in Appendix B, was •
determined using the National List of Plant Species That Occur in Wetlands - Minnesota (Reed
1988).
RESULTS AND DISCUSSION •
The NWI map (Excelsior Quadrangle) indicates two wetlands on the subject property, Figure 2.
One of these NWI indicated wetlands is located immediately northeast of the house located in the
southwestern portion of the site. This wetland is described as a palustrine (P-) type wetland,
exhibiting emergent (-EM-) vegetation and a seasonally flooded(-C) moisture regime or a Type
. 3 (PEMC) wetland,The other wetland'identified by the NWI is located immediately southeast of
the same house and is described as a palustrine (P-)type wetland, exhibiting an unconsolidated
bottom(-UB-) and a intermittently exposed (-G)moisture regime or a Type 5 (PUBG) wetland.
The Soil Survey of Hennepin County, Figure 3, indicates three soil series, the Dundas silt loam,
the Hayden loam and the Nessel loam, at the site. The Dundas silt loam is classified as a hydric
soil (SCS Hydric Soils of the United States). The DNR Protected Waters map of Hennepin
County, Figure 4, does not indicate any protected wetlands on the subject property. •
SER personnel examined the subject property for areas meeting jurisdictional wetland criteria
during the site visit and delineated one area as being jurisdictional wetland. Detailed soils,
-vegetation and hydrology data for this wetland is provided in the data sheets of Appendix A.
SER obtained-climatological data from the Midwestern Regional Climate Centerwebsite for the
Minneapolis/St. Paul International Airport(MSP)weather station located approximately 17 miles
, southeast of the site.Precipitation for the month of June,prior to the site visit(June 13th), was
2.76 inches, or 1.04 inches above average (1.72 inches)for the 13-day period. Total precipitation
amount for the year was 10.43 inches at the time of the site visit, 0.53 inches below the average ,
(10.96 inches) for the same time period. The uppermost graph on Figure 5 illustrates the
monthly precipitation for the 12-month period prior to the site visit(June 2001 —May 2002)
compared to average monthly precipitation and the WETS 30%upper and lower limits. WETS is
a method of determining the normal range for monthly precipitation required to assess the
• climatic characteristics for a geographic area over a representative time period. According to this
graph the MSP weather station recorded 25% of the months(June, September and November,
2001) above the WETS Upper 30% Limit, 58% exhibited average precipitation amounts (July,
October and December 2001 and February, March, April and May 2002) and 17% of the months
(August 2001 and January 2002>exhibited precipitation amounts below the WETS Lower 30%
Limit. The lower graph on Figure 5 illustrates the precipitation deviations from a thirty-year
average (1971 —2000) of 29.41 inches per year over the past forty-two years. This graph shows
.
that precipitation has generally'been above average over the past ten years.
SER delineated one wetland basin during the June 14, 2002 site visit. Basin 1 was delineated as a
palustrine (P-) type wetland with an unconsolidated bottom (-UB-) and exhibiting a permanently
flooded (-H) moisture regime (PUBH) or a Type 5 wetland:Basin 1 is located in a low-lying area
immediately southeast of the house located in the southwestern portion of the project_site
Figure 6 illustrates the approximate wetland boundary of Basin 1 located on the subject property.
SER only delineated that portion of Basin 1 that is located on the subject property. Field data
sheets for Basin 1 are included in Appendix A of this report.
CONCLUSIONS
SER examined the subject property and delineated one wetland, which exhibited hydrophytic
vegetation, hydric soils and wetland hydrology. Basin 1 is the PUBG wetland as illustrated on
the NWI map. The dominant vegetation surrounding Basin 1 consisted of reed canary grass, •
(Phalaris arundinacea, FACW+) and lesser duckweed(Lemna minor, OBL). According to the ,
Soil Survey of Hennepin County, the site consists of hydric soils, Dundas silt loam,within the
area delineated as wetland. SER personnel verified that the soils of Basin 1 did meet hydric soil
conditions as described in the data sheets. SER observed 4"of standing water approximately 2
-feet from the wetland boundary and that the depth of water increased as the distance from the •
wetland boundary increased. SER placed the wetland boundary based on the presence of
hydrophytic/non-hydrophytic vegetation.
The area of the PEMC wetland illustrated on the NWI map was also investigated to determine if
the area met wetland criteria. SER personnel observed an area that was apparently disturbed or
not established as lawn(mixture of bare soils and upland type vegetation) with a dominance of
upland vegetation. SER determined that the area is not a wetland, based on these findings.
•
Note that all property and wetland boundaries illustrated on the figures are approximate.
SER appreciates the opportunity to provide our services on your project. Please feel free to
contact us at(952) 471-1100 if you have any comments or questions regarding this report. •
Sincerely,
Svoboda Ecological Resources,
•
dir
Franklin J. Svoboda, CWB, PWS"
Vice-President •
g:/users/Todd/Lundgren Brothers/Bastiaens ResidenceBastiaens Residence Wetland Delin Report.doc
•
•
DATA SOURCES
Minnesota Department of Natural Resources Protected Waters Inventory Map, Hennepin County.
1985.
Soil Survey of Hennepin County. April 1974. U.S.D.A. 155pp. Plus appendices.
•
United States Fish and Wildlife Service National Wetland Inventory Map—Excelsior
Quadrangle. 1991. (Taken from May 1980 aerial photographs).
Digital Orthophoto Quadrangle.—Hennepin County, Section 36, Township 118N, Range 23W.
USGS. April, 1991.
LITERATURE CITED
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.
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.
Shaw, S.P., and C.G. Fredine. 1956. Wetlands of the United States. U.S. Fish and Wildlife
Service, Circular 39. 67pp. "
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Appendix A
Field Data Sheets
SVOBODA ECOLOGICAL RESOURCES
;!; t, Wetlands Inventory & Delineation • Fisheries • Wildlife • Natural Communities
Sitc Name: Bastiaens Residence Date: June 14,2002
Basin\Arca: Basin I Sample Point ID: SP 1-I WET
Investigators: TJU Community Type: Type 5(PUBH)
Disturbed Condition? Ycs No v
Nature of Disturbance:
VEGETATION
Dominants (>20%+basal or aerial coverage) Non-dominants
Species arigum Indicator Status Species Stratum Indicator Status
Phalaris arundinacea HVST FACW+ Lemna minor HVST OBL
H VST Carexsp. HVST
H VST Glecoma hederacea HVST FACU
H VST HVST
H VST HVST
H VST HVST
H VST HVST
>50%of Dominants FAC or wetter? ✓ Yes No >50%of Dominants FACW,OBL(FAC-neutral test) 1,/Yes No N/A
Notes:
SOILS
County Soil Survey Map Unit: Dundas silt loam V Soil Series is on National Hydric Soil List
Area mapped as depression or wet spot on Soil Survey
Field Observations
Hydric soil assumed because plants are OBL and FACW and wetland boundary is abrupt
I/- Mineral Soil Organic Soil
Horizon/Depth Matrix Color Texture Features
0-1" N 3/ Muck
1-18" N 3/ Loam Common,distinct iron oxides and strong sulfidic
odor
Hydric Soil Present? i,/ Yes No Undetermined
Notes:
Primary indicators(P) Secondary indicators(S) HYDROLOGY
Depth of sampling: 18 Inches Oxidized Root Channels in Upper 12 inches(S)
✓ Inundated,Depth of Water:(P) 4" Drainage Patterns in Wetlands(P)
Free water in borehole,Depth from Surface: Water-stained leaves(S)
- Water Marks,Elevation:(P) Local Soil Survey Data(S)
Drift Lines or Sediment Deposits(P) FAC-Neutral Test(S)
Hydrology Criterion Met? V Yes No
Other Observations:
WETLAND DETERMINATION
Is the Sample Point in Wetland? Yes ✓ No Undetermined Distance from Delineated Edge: 2 ft. N/A
Notes:
SVOBODA ECOLOGICAL RESOURCES
,41-,i‘,. Wetlands Inventory & Delineation • Fisheries: Wildlife Natural Communities
Site Name: Bastiaens Residence June 14,2002
Basin\Area: Basin I Sample Point ID: SP 1-1 UP
Investigators: TJU Community Type: Type 5 (PUBH)
Disturbed Condition? Ycs No v
Nature of Disturbance:
VEGETATION
Dominants (>20%+basal or aerial coverage) Non-dominants
Species Stratum Indicator Status Suecics Stratum indicator Status
Poa pratensis HVST FAC- Glecoma hederacea H V S T FACU
H VST HVST
H VST HVST
H VST HVST
H VST HVST
H VST HVST
H VST HVST
>50%of Dominants FAC or wetter? V Yes No >50%of Dominants FACW,OBL(FAC-neutral test) Yes V No N/A
Notes:
SOILS
County Soil Survey Map Unit: Dundas silt loam V Soil Series is on National Hydric Soil List
Area mapped as depression or wet spot on Soil Survey
Field Observations
Hydric soil assumed because plants are OBL and FACW and wetland boundary is abrupt
✓- Mineral Soil Organic Soil
Horizon/Depth Matrix Color Texture Features
0-3" N 3/ Loam
3-18" N 3/ Loam Common,prominent iron oxides and common,
faint mottles
Hydric Soil Present? V Yes No Undetermined
Notes:
Primary indicators(P) Secondary indicators(S) HYDROLOGY
Depth of sampling: 18 Inches Oxidized Root Channels in Upper 12 inches(S)
Inundated,Depth of Water:(P) Drainage Pattems in Wetlands(P)
✓- Free water in borehole,Depth from Surface: 10,, Water-stained leaves(S)
- Water Marks,Elevation:(P) Local Soil Survey Data(S)
Drift Lines or Sediment Deposits(P) FAC-Neutral Test(S)
Hydrology Criterion Met? V Yes No
Other Observations:
WETLAND DETERMINATION
Is the Sample Point in Wetland? Yes No V Undetermined Distance from Delineated Edge: 2 ft. N/A
Notes:
Appendix B
Indicator Categories
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.