Wetland classification, indentification

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' ' �1-toot woc�den lath. The"wetlanci b��undary" is considered to be the topographically hi�hest cxtent c�t�the wetland basin; areas below the stakcd boundary meet the three required wetland criteria while ' areas above are lackin� in one or more ot�these conditions. Wetland classitication follows methods described by Cowardin et al. (1979) and is used in the NW[ ' (e.g. PEMB, PSS1C, etc.), completed by the U.S. Fish and Wildlife Service. The Circular 39 wetland classification (Shaw and Fredine 1956) is also given (e.g. Type l, Type 2, etc.). The indicator status of plants,as described in Appendix B, is determined using the National List of Plant � Sp�cies That Occur in Wetlands — Rcgion 3 (Sabine 1999). RESULTS AND DISCUSS[ON ' Background Information- (Office-Based Investigation) The NWI map (Mound Quadrangle) illustrates one wetland on the subject parcel located at the central region of the southern perimeter(Figure 2).The basin shown on the NWI map is a palustrine ' type(P)wetland with emergent vegetation(EM),and a seasonally flooded moisture regime(C),or a Type 3, PEMC wetland. The Soil Sisrvey ofHennepin County indicates Cordova silty clay loam is present on the subject property (Figure 3). The Cordova series is classified as hydric soils (SCS ' Hydric Soils of the United States) and illustrated with blue crosshatching on Figure 3. The Minnesota Department of Natural Resources State Protected Waters Map indicates that 839W and , Dickey's Lake (161 W) occur in the vicinity of the subject parcel (See Figure 4). Site Visit , SER personnel examined the subject property for areas meeting jurisdictional wetland criteria during the site visit (July 16, 2004). An area meeting the jurisdictional criteria of a wetland, for which a boundary was determined, is comprised of one wetland basin(Type 3/6, PEM/FOl C) located near ' the southwest corner the parcel (Figure 5). Detailed soils, vegetation, and hydrology data for the delineated wetland is provided in the data sheets of Appendix A.Approximately 161ath were used to delineate this basin. The southern forested edge of the wetland,as well as topographic variation,was , used as the primary boundary cues while delineating this basin. Vegetation at the wetland sample point is dominated by reed canary grass (Phalaris arundinacea, ' FACW+) and sandbar willow (Salix exigua, OBL). Sub-dominant plant species present at the wetland sample include; swamp milkweed (Asclepias incarnata, OBL), lakebank sedge (Carex lacustris, OBL), Anemone (Anemone spp.), and silky dogwood (Cornus amomum, FACW+). , Dominant plants at the upland sample point consist of Canada goldenrod (Solidago canadensis, FACU) and Kentucky bluegrass (Poa pratensis, FAC-). ' Surface soils (<7") at the wetland sample point are composed of black (lOYR 2/1) clay loam that contains fibric features as deep as 4 inches. From 7 to 14 inches in the wetland soil profile,brown ' (l 0YR 5/3) common, fine, and faint mottles are present within the black (lOYR 2/1) clay loam matrix. Light yellowish brown(2.SY 6/3)clay loam with light gray(2.SY 7/1)calcareous depletions and brownish yellow (lOYR 6/8) few, medium and distinct iron oxide soft masses (IOSM) occurs ' from 14 to 18 inches. Light gray(2.SY 7/2) clay containing light yellowish brown (2.SY 6/4) few, tlne, and faint IOSM and white (2.SY 8/1) depletions are present beyond 18 inches. Water was observed 12 inches below the ground surface 10 minutes after boring. 1 '