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WETLAND DETERMINATION DATA FORM—Great Plains Region <br /> Project/Site. Prowers Aggregate Operations-West Farm Pit Expansion City/County: Prowers County Sampling Date- 11/5/2020 <br /> Applicant/Owner: J&T Consulting,Inc. State: Colorado Sampling Point. AR D10W <br /> Investigator(s): Tyler Worley Section,Township, Range. S28,29,32,&33 T22s,R46W <br /> Landform(hillslope,terrace,etc.): Irrigation retention pond Local relief(concave,convex, none): None Slope(%): 0% <br /> Subregion(LRR): Great Plains Range(LRR G) Lat. Long. Datum: WGS84 <br /> Soil Map Unit Name. Las clay loam,clay substratum NWI classification: N/A <br /> Are climatic/hydrologic conditions on the site typical for this time of year? Yes ✓ No (If no,explain in Remarks.) <br /> Are Vegetation Soil or Hydrology significantly disturbed? No Are"Normal Circumstances"present? Yes ✓ No <br /> Are Vegetation Soil or Hydrology naturally problematic? No (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 No <br /> Is the Sampled Area <br /> Hydric Soil Present? Yes ✓ No within a Wetland? Yes ✓ No <br /> Wetland Hydrology Present? Yes ✓ No <br /> Remarks: <br /> Wetland data point situated in the eastern portion of Expansion B within irrigation retention pond.This point is paired with upland data point AR D10U. <br /> VEGETATION—Use scientific names of plants. <br /> Absolute Dominant Indicator Dominance Testworksheet: <br /> Tree Stratum (Plot size: ) %Cover Species? Status Number of Dominant Species <br /> 1. That Are OBL, FACW,or FAC <br /> 2 (excluding FAC—): 3 (A) <br /> 3. Total Number of Dominant <br /> 4 Species Across All Strata: 3 (B) <br /> 0 =Total Cover Percent of Dominant Species <br /> Saplino/Shrub Stratum (Plot size: ) That Are OBL, FACW,or FAC- 100% (A/B) <br /> 1. <br /> Prevalence Index worksheet: <br /> 2. <br /> 3. Total%Cover of: Multiply by: <br /> 4 OBL species x 1 = <br /> 5 FACW species 70 x 2= 140 <br /> 0 =Total Cover FAC species 25 x 3= 75 <br /> Herb Stratum (Plot size. ) FACU species 5 x 4= 20 <br /> 1 Spartina pectinata 45 Y FACW UPL species x 5= <br /> 2 Rumex venosus 25 Y FACW Column Totals: 100 (A) 235 (B) <br /> 3 Phlaris arundinacea 20 Y FAC <br /> Prevalence Index =B/A= 2.35 <br /> 4.-Sinapis alba 5 N FAC <br /> Xanthium spinosum 5 N FACU Hydrophytic Vegetation Indicators: <br /> 5 <br /> 6 _ 1 -Rapid Test for Hydrophytic Vegetation <br /> ✓ 2-Dominance Test is>50% <br /> 7. <br /> ✓ 3-Prevalence Index is<_3.0' <br /> 8. <br /> 9 _ 4-Morphological Adaptations' (Provide supporting <br /> data in Remarks or on a separate sheet) <br /> 10. _ Problematic Hydrophytic Vegetation' (Explain) <br /> 100 =Total Cover <br /> Woody Vine Stratum (Plot size: ) 'Indicators of hydric soil and wetland hydrology must <br /> 1 be present,unless disturbed or problematic. <br /> 2. Hydrophytic <br /> =Total Cover Vegetation <br /> %Bare Ground in Herb Stratum 0 Present? Yes ✓ No <br /> Remarks: <br /> Does meet the criteria for hydrophytic vegetation.Barren irrigation retention pond. <br /> US Army Corps of Engineers Great Plains—Version 2.0 <br />