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WETLAND DETERMINATION DATA FORM-Arid West Region <br /> Project/Site: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:DPA4Up <br /> Investigator(s):D.Goebel Section,Township,Range:Sec.8,T.1 S,R.l W <br /> Landform(hilislope,terrace,etc.):Floodplain Gravel Pit Local relief(concave,convex,none):concave Slope(%):<1 <br /> Subregion(LRR)D-Interior Deserts Let:39.091553 N Long:-108.624066 W Datum:NAD 83 <br /> Sal 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(i No (If no,explain in Remarks.) <br /> Are Vegetation❑ Soil ❑ or Hydrology ❑ significantly disturbed? Are"Normal Circumstances"present? Yes C No Ce <br /> Are Vegetation❑ Soil ❑ 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 (i No C <br /> Hydric Sal Present? Yes C` No (i Is the Sampled Area <br /> Wetland Hydrology Present? Yes r No (e— within a Wetland? Yes C No (0- <br /> Remarks:Northwest edge main lake in excavated gravel pit Wetlands-exist in excavated pits for the purpose of o taint grave t us <br /> not considered WOUS per Federal Register. <br /> VEGETATION <br /> Absolute Dominant Indicator Dominance Test worksheet: <br /> Tree Stratum Plot Size %Cover Species? Status Number of Dominant Species <br /> 1. That Are OBL,FACW,or FAC: 2 (A) <br /> 2. <br /> Total Number of Dominant <br /> 3. Species Across All Strata: 2 (B) <br /> 4. <br /> Percent of Dominant Species <br /> Sapling/Shrub Stratum Plot Size 15' <br /> That Are OBL,FACW,or FAC: 100.0% (A/B) <br /> 1.Tamarix spp. 30 Yes FAC Prevalence Index worksheet: <br /> 2. Total%Cover of: Multiply by: <br /> 3. OBL species x 1= 0 <br /> 4. FACW species x 2= 0 <br /> 5. FAC species 100 x 3= 300 <br /> Total Cover: 30% FACU species x 4= 0 <br /> Herb Stratum Plot Size 5'r UPL species x 5= 0 <br /> 1 Distichlis spicata 70 Yes FAC Column Totals: 100 (A) 300 (B) <br /> 2. <br /> 3 Prevalence Index =B/A= 3.00 <br /> 4 Hydrophytic Vegetation Indicators: <br /> 5. X Dominance Test is>50% <br /> 6 X Prevalence Index is 53.0' <br /> 7. ❑ Morphological Adaptations'(Provide supporting <br /> $ data in Remarks or on a separate sheet) <br /> ❑ Problematic Hydrophytic Vegetation'(Explain) <br /> - --- <br /> Woody Vine Stratum Plot Size Total Cover: 70°�f <br /> 1 'Indicators of hydric sal 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 t: No C <br /> Remarks: Sat grass cover on lake bank with woody shrubs higher up on bank above littoral zone. <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 />