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Wetland Classification,Identification,Delineation-2014
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Wetland Classification,Identification,Delineation-2014
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Last modified
8/22/2023 4:03:10 PM
Creation date
3/1/2018 11:32:48 AM
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x Address Old
House Number
2535
Street Name
Old Beach
Street Type
Road
Address
2535 Old Beach Road
Document Type
Misc
PIN
2111723220019
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National Wetland Inventory (NWI) maps (Figure 2a) Hennepin County Wetland Inventory <br /> (HCWI) maps (Figure 2b), 2014 DNR NWI Update maps (Figure 2c), Web Soil Survey of <br /> Hennepin County map (Figure 3), Minnesota Public Waters Inventory maps (Figure 4), and 2012 <br /> aerial photographs were reviewed prior to the site visit to identify areas that may be wetlands. <br /> Areas illustrating evidence of wetland conditions were examined in greater detail during the field <br /> survey. Vegetation, soils and hydrology were examined (as outlined in the 1987 Manual) and <br /> used to characterize wetland types and determine wetland boundaries. Sample transects were <br /> established in representative wetland-to-upland transition zones in order to characterize the <br /> vegetation, soils, and hydrology of the site. Transects consist of a representative upland sample <br /> point and representative wetland sample point. Information obtained at the sample points can be <br /> found on the field data sheets located in the Technical Documents section. <br /> Wetland boundaries were marked at the site by pink "Wetland Delineation" pin flags. The <br /> wetland boundary is considered to be the topographically highest extent of the wetland basin; <br /> areas below the staked boundary met the three required wetland criteria while areas above were <br /> lacking in one or more of these criteria. Wetlands were classified in accordance with methods <br /> described by Cowardin et al. (1979) and used in the NWI (e.g. PEMB, PSS1C, etc.), completed <br /> by the U.S. Fish and Wildlife Service. The Circular 39 and Eggers and Reed classification <br /> systems are also given. The indicator status of plants, as described in the Technical Documents <br /> section, was determined using the National Wetland Plant List (Lichvar, et al. 2014. <br /> hap.//wetland plants.usace.army,mild. <br /> RESULTS <br /> The National Wetland Inventory indicates the presence of one wetland in the northwest corner of <br /> the survey area. The wetland is categorized by the NWI as PEMCd (Figure 2a). The HCWI <br /> indicates the probable presence of 2 disjunct wetlands in the survey area (Figure 2b). The DNR <br /> NWI update in 2014 indicates the presence of a large wetland in the survey area, categorized as <br /> PEM IC/PFOIA(Figure 2c). <br /> The Web Soil Survey of Hennepin County (Figure 3) identifies three soil map units present on <br /> the subject property. They are as follows: Muskego, Blue Earth, and Houghton soils, ponded; <br /> Angus loam, morainic; and Lester loam, morainic, eroded. The Muskego soil is hydric while the <br /> remaining types are predominantly nonhydric. Soil series descriptions are provided in the <br /> Technical Documents section. <br /> The Minnesota Department of Natural Resources, State Protected Waters Map (Public Waters <br /> Inventory) indicates no public waters within the study area(Figure 4). <br /> Site Visit <br /> SER ecologists examined the subject property for areas meeting jurisdictional wetland criteria <br /> during the site visit. One area meeting the jurisdictional criteria of a wetland was flagged, and <br /> boundaries were determined and delineated. The approximate wetland boundaries are outlined in <br /> yellow(Figures 5 and 6). <br /> Precipitation for week ending 8/24/2014 was 8.19" above normal since 4/01/2014, 2.49" below <br /> normal for the preceding 4 weeks and 0.76" below normal for the preceding week as measured at <br /> Svoboda Ecological Resources 2 2535 Old Beach Road <br /> Project Number:2014-018 Orono,MN <br />
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