HomeMy WebLinkAboutWetlandDelineationReport_06-10-20
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MEMO
32 Discovery Drive Bozeman, MT 59718 (406) 582‐0221 Fax (406) 582‐5770
299 Prairie Drive PO Box 1251 Stanley, ND 58784 (701) 628‐0221
Project Name: Bozeman Co-Housing
Project Number: 20-004
Date and Time: 6/10/20
Re: Wetland Mapping for Setback
MEMO DETAILS:
Location: 3120 Wagon Wheel Road. Bozeman, MT (45.648407°, -111.039044° (WGS
84))
On June 10, 2020, Ron Orton of Allied Engineering performed wetland mapping along
Bozeman Creek. The purpose of the mapping is to provide a wetland boundary that will
be used for setback documentation from the mapped wetlands. As directed, the western
wetland fringe was mapped along Bozeman Creek within the property boundary.
A comprehensive wetland delineation was not conducted in full accordance with the
documents listed below, however methods for mapping are based on wetland delineation
procedures that include technical guidelines and methods using a multi-parameter
approach for consistency with Section 404 of the Clean Water Act and include:
Corps of Engineers Wetlands Delineation Manual January 1987
Regional Supplement to the Corps of Engineers Wetland Delineation Manual: Western
Mountains, Valleys, and Coast Region (Version 2.0) May 2010
Western Mountains, Valleys, and Coast 2014 Regional Wetland Plant List
[Click here and type date]
Allied Engineering Services, Inc. Memo Page 2
2016 Update National Wetland Plant List Corp of Engineers Jurisdictional
Determination Form Instructional Guidebook
The mapped wetland fringe along Bozeman Cr. varies in width (3-12 feet) for the
southern portion that includes an herbaceous emergent palustrine wetland for most of
the corridor. Wetland species in this area include meadow fox tail, Kentucky bluegrass,
beaked sedge, small fruited bulrush, willow herb, Nebraska sedge, cinquefoil, and
creeping spike rush.
The northern most wetland is a scrub-shrub wetland that narrows to approximately 1 to
3 feet wide. Species include choke cherry, ash, burdock and stinging nettle.
Upland areas transition quickly from wetlands to a steep slope west of the wetland area.
Species include dandelion, cheatgrass, Kentucky bluegrass, orchard grass, and smooth
brome.
Weedy species observed include Canada thistle, houndstongue, and cheatgrass.
Refer to the attached wetland data sheets for more information about hydric soils,
hydrophytic vegetation, and hydrology that are the three parameters used for
determining wetland/non-wetland boundaries. The wetlands flags were located using
survey grade procedures on the Montana State Plane Coordinate system.
Applicant/Owner:State:
Investigator(s):
Landform (hillside, terrace, etc.):3
Subregion (LRR): Lat:
Soil Map Unit Name:
x
Are Vegetation , Soil , or Hydrology Are “Normal Circumstances” present? Yes x No
Are Vegetation , Soil , or Hydrology
SUMMARY OF FINDINGS – Attach site map showing sampling point locations, transects, important features, etc.
Yes x No
Yes x No Yes x
Yes X No
)
1.
2.(A)
3.
4.(B)
Sapling/Shrub Stratum (A/B)
1.
2.
3.
4.x 1 =
5.x 2 =
x 3 =
x 4 =
1.x 5 =
2.Column Totals: (A) (B)
3.
4.
5.
6.
7.X
8.X
9.
10.
11.
Woody Vine Stratum
1.
2.
Yes X
Percent of Dominant Species That
Are OBL, FACW, or FAC:
0
Total Number of Dominant Species
Across All Strata:
Dominance Test worksheet:
% Bare Ground in Herb Stratum
Absolute
% Cover
0
245
0
100
=Total Cover
Alopecurus pratensis
Epilobium ciliatum
Scirpus microcarpus
1Indicators of hydric soil and wetland hydrology must
be present, unless disturbed or problematic.
(Plot size:
=Total Cover
10
No
OBL
Yes
5'
NoAre climatic / hydrologic conditions on the site typical for this time of year?
Project/Site: Bozeman Co-Housing
LRR E, MLRA 44
NWI classification:
Dominant
Species?
45.64786 WGS 84
Hydrophytic Vegetation Present?
significantly disturbed?
Wetland fringe of Bozeman Cr. has a 3' to 12' wetland fringe near data point.
WETLAND DETERMINATION DATA FORM – Western Mountains, Valleys, and Coast Region
MT DP-1W
none
Section, Township, Range:
Sampling Date:
Sampling Point:
Slope (%):Local relief (concave, convex, none):
6/10/20
Bozeman Co-Housing
Ron Orton
terrace
Bozeman/GallatinCity/County:
Datum: -111.03914Long:
UPL species
FACW species
100.0%
)
)
60
Prevalence Index worksheet:
210
2525
5
Total % Cover of:
=Total Cover
1 - Rapid Test for Hydrophytic Vegetation
0
Multiply by:
10
Prevalence Index = B/A =
70
3 - Prevalence Index is ≤3.01
FACW Hydrophytic Vegetation Indicators:
Glyceria striata
No
OBL
FAC
Herb Stratum
15 No
Poa pratensis
10
Problematic Hydrophytic Vegetation1 (Explain)
10
5 - Wetland Non-Vacular Plants1
4 - Morphological Adaptations1(Provide supporting
=Total Cover
)
Hydrophytic
Vegetation
Present? No
data in Remarks or on a separate sheet)
(Plot size:
(Plot size:
Remarks:
FACU species
FAC species
OBL species
FAC
2.45
2 - Dominance Test is >50%
Indicator
Status
1
1
VEGETATION – Use scientific names of plants.
(If no, explain in Remarks.)
Hydric Soil Present?
Wetland Hydrology Present?
naturally problematic? (If needed, explain any answers in Remarks.)
(Plot size:
Yes
Number of Dominant Species That
Are OBL, FACW, or FAC:
Tree Stratum
Is the Sampled Area
within a Wetland? No
100
5No
Remarks:
US Army Corps of Engineers Western Mountains, Valleys, and Coast – Version 2.0
Applicant/Owner:State:
Investigator(s):
Landform (hillside, terrace, etc.):20
Subregion (LRR): Lat:
Soil Map Unit Name:
x
Are Vegetation , Soil , or Hydrology Are “Normal Circumstances” present? Yes x No
Are Vegetation , Soil , or Hydrology
SUMMARY OF FINDINGS – Attach site map showing sampling point locations, transects, important features, etc.
Yes No
Yes No Yes
Yes No
)
1.
2.(A)
3.
4.(B)
Sapling/Shrub Stratum (A/B)
1.
2.
3.
4.x 1 =
5.x 2 =
x 3 =
x 4 =
1.x 5 =
2.Column Totals: (A) (B)
3.
4.
5.
6.
7.X
8.
9.
10.
11.
Woody Vine Stratum
1.
2.
Yes x
Tree Stratum
Is the Sampled Area
within a Wetland? No
110
Remarks:
Indicator
Status
1
1
VEGETATION – Use scientific names of plants.
(If no, explain in Remarks.)
Hydric Soil Present?
Wetland Hydrology Present?
naturally problematic? (If needed, explain any answers in Remarks.)
(Plot size:
Yes
Number of Dominant Species That
Are OBL, FACW, or FAC:
(Plot size:
Remarks:
FACU species
FAC species
OBL species
3.36
2 - Dominance Test is >50%
Problematic Hydrophytic Vegetation1 (Explain)
5 - Wetland Non-Vacular Plants1
4 - Morphological Adaptations1(Provide supporting
=Total Cover
)
Hydrophytic
Vegetation
Present? No
data in Remarks or on a separate sheet)
(Plot size:
Bromus inermis
FAC
Herb Stratum
20 No
Poa pratensis
0
0
Total % Cover of:
=Total Cover
1 - Rapid Test for Hydrophytic Vegetation
0
Multiply by:
0
Prevalence Index = B/A =
90
3 - Prevalence Index is ≤3.01
Hydrophytic Vegetation Indicators:
Datum: -111.03918Long:
UPL species
FACW species
100.0%
)
)
90
Prevalence Index worksheet:
270
0
WETLAND DETERMINATION DATA FORM – Western Mountains, Valleys, and Coast Region
MT DP-1W
none
Section, Township, Range:
Sampling Date:
Sampling Point:
Slope (%):Local relief (concave, convex, none):
6/10/20
Bozeman Co-Housing
Ron Orton
Hillside
Bozeman/GallatinCity/County:
NoAre climatic / hydrologic conditions on the site typical for this time of year?
Project/Site: Bozeman Co-Housing
LRR E, MLRA 44
NWI classification:
Dominant
Species?
45.64786 WGS 84
Hydrophytic Vegetation Present?
significantly disturbed?
Wetland fringe of Bozeman Cr. has a 3' to 12' wetland fringe near data point.
(Plot size:
=Total Cover
UPL
Yes
5'
Percent of Dominant Species That
Are OBL, FACW, or FAC:
0
Total Number of Dominant Species
Across All Strata:
Dominance Test worksheet:
% Bare Ground in Herb Stratum
Absolute
% Cover
100
370
20
110
=Total Cover
1Indicators of hydric soil and wetland hydrology must
be present, unless disturbed or problematic.
US Army Corps of Engineers Western Mountains, Valleys, and Coast – Version 2.0