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WETLAND DETERMINATION DATA FORM-Arid West Region <br /> ProjecUSite:23 1/4 Road Gravel Pit City/County:Mesa Sampling Date:10/8/2020 <br /> Applicant/Owner:Greg Lewicki and Associates/Elam Construction State:CO Sampling Point:DPA3Up <br /> Investigator(s):D.Goebel Section,Township,Range:Sec. 8,T.] S,R.1 W <br /> Landform(hillslope,terrace,etc.):Floodplain Gravel Pit Local relief(concave,convex,none):concave Slope(%):<1 <br /> Subregion(LRR)D-Interior Deserts Let:39.091642 N Long:-108.622377 W Datum:NAD 83 <br /> Soil Map Unit Name:Green River silty clay loam NWI classification:PUBFx <br /> Are climatic/hydrologic conditions on the site typical for this time of year? Yes(0- No (If no,explain in Remarks.) <br /> Are Vegetation❑ Soil ❑ or Hydrology ❑ significantly disturbed? Are"Normal Circumstances"present? Yes C No(0— <br /> Are Vegetation❑ Sal ❑ or Hydrology ❑ naturally problematic? (If needed,explain any answers in Remarks.) <br /> SUMMARY OF FINDINGS- Attach site map showing sampling point locations,transects,important features,etc. <br /> Hydrophytic Vegetation Present? Yes (4- No C <br /> Hydric Soil Present? Yes C-' No (i Is the Sampled Area <br /> Wetland Hydrology Present? Yes C No (9- within a Wetland? Yes C No (0- <br /> Remarks:North edge main lake. Wetlands exist in excavated pits for the purpose of obtaining gravel thus not considered WOUS per <br /> Federal Register. <br /> VEGETATION <br /> Absolute Dominant Indicator Dominance Test worksheet: <br /> Tree Stratum Plot Size F %Cover Species? Status Number of Dominant Species <br /> 1. That Are OBL,FACW,or FAC: 1 (A) <br /> 2. <br /> Total Number of Dominant <br /> 3. Species Across All Strata: 1 (B) <br /> 4. <br /> Percent of Dominant Species <br /> That Are OBL,FACW,or FAC: 100.0% (A/B) <br /> Sapling/Shrub Stratum Plot Size �15' <br /> 17amarix spp. 10 FAC Prevalence Index workshest: <br /> 2.Populus deltoides 10 FAC Total%Cover of: Multiply by: <br /> 3-Elaeagnus angustfolia 5 FAC OBL species x 1= 0 <br /> 4. FACW species x 2= 0 <br /> 5. FAC species 105 x 3= 315 <br /> Total Cover: 25% FACU species x 4= 0 <br /> Herb Stratum Plot Size 5'r UPL species x 5= 0 <br /> 1.Distichlis spicata 80 Yes FAC Column Totals: 105 (A) 315 (B) <br /> 2. <br /> 3 Prevalence Index =B✓A= 3.00 <br /> q Hydrophytic Vegetation Indicators: <br /> 5. X Dominance Test is>50% <br /> g X Prevalence Index is<_3.0' <br /> ? ❑ Morphological Adaptations'(Provide supporting <br /> data in Remarks or on a separate sheet) <br /> 8. ❑ Problematic Hydrophytic Vegetation'(Explain)Total Cover: 80 <br /> Woody Vine Stratum Plot Size �— <br /> 1 'Indicators of hydric soil and wetland hydrology must <br /> 2. be present. <br /> Total Cover: % Hydrophytic <br /> Vegetation <br /> %Bare Ground in Herb Stratum 20% %Cover of Biotic Crust % Present? Yes G No C^ <br /> Remarks: Woody vegetation transition interlace with sat grass emergent. <br /> US Army Corps of Engineers <br /> Arid West-Version 11-1-2006 <br /> 23'/4 Road Gravel Pit Appendix E December 2021 <br /> Aquatic Resource Delineation Report WestWater Engineering <br />