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WETLAND DETERMINATION DATA FORM—Great Plains Region <br /> Project/Site: DPG Site City/County: Weld Sampling Date: 4/17/2019 <br /> Applicant/Owner: J-2 Contracting Co. State: CO Sampling Point: DP-U2a <br /> Investigator(s): M.Boyer,K.Medash Section,Township,Range: 1,5N,65W <br /> Landform(hillslope,terrace,etc.): basin Local relief(concave,convex,none): concave Slope(%): 0-2% <br /> Subregion(LRR): G western Great Plains Range and Irrigation Region Lat: 40 422345°N Long: -104 611991°W Datum NAD83 <br /> Soil Map Unit Name: Ellicott-Ellicott sandy-skeletal complex 0-3% 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 Is the Sampled Area <br /> Hydric Soil Present? Yes No within a Wetland? Yes No ✓ <br /> Wetland Hydrology Present? Yes No <br /> Remarks: <br /> Upland data point in a basin in the central northern portion of the survey area that appears to have been previously flooded seasonally. <br /> VEGETATION—Use scientific names of plants. <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 <br /> 2 (excluding FAC—) 2 (A) <br /> 3. Total Number of Dominant <br /> 4 Species Across All Strata: 4 (B) <br /> 0 =Total Cover Percent of Dominant Species <br /> Saolino/Shrub Stratum (Plot size. 1 That Are OBL, FACW,or FAC: 50% (A/B) <br /> 1. <br /> Prevalence Index worksheet: <br /> 2. <br /> 3 Total%Cover of: Multiply by: <br /> 4 OBL species 15 x 1 = 15 <br /> 5 FACW species 15 x 2= 30 <br /> 0 Total Cover FAC species 5 x 3= 15 <br /> Herb Stratum (Plot size: 5 x 5ft FACU species 20 x 4= 80 <br /> 1 Descurainia pinnata 5 N UPL UPL species 5 x 5= 25 <br /> 2 Typha angustifolia(stubble) 15 Y OBL Column Totals: 60 (A) 165 (B) <br /> 3 Poa pratensis 10 Y FACU <br /> 4 Phalaris arundinacea 10 Y FACW Prevalence Index =B/A= 2.75 <br /> 5 Rumex stenophyllus 5 N FACW Hydrophytic Vegetation Indicators: <br /> g Pascopyrum smithii 10 Y FACU — 1 -Rapid Test for Hydrophytic Vegetation <br /> 7 Xanthium sturmanum 5 N FAC — 2-Dominance Test is>50% <br /> 3-Prevalence Index is<-3.0' <br /> 8. - <br /> - 4-Morphological Adaptations'(Provide supporting <br /> 9• data in Remarks or on a separate sheet) <br /> 10. _ Problematic Hydrophytic Vegetation' (Explain) <br /> 60 =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 40% Present? Yes ✓ No <br /> Remarks: <br /> Meets the criteria for hydrophytic vegetation. <br /> US Army Corps of Engineers Great Plains—Version 2.0 <br />