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U.S. Army Corps of Engineers OMB Control#:0710-0024,Exp:1113012024 <br /> WETLAND DETERMINATION DATA SHEET—Great Plains Region Requirement Control Symbol EXEMPT: <br /> See ERDC/EL TR-10-1; the proponent agency is CECW-CO-R (Authority:AR335-15,paragraph 5-2a) <br /> Project/Site: Bernhardt Property City/County: Milliken/Weld Sampling Date: 2/8/2023 <br /> Applicant/Owner: J&T Consultants,Inc. State: CO Sampling Point: DP-Al U <br /> Investigator(s):T.Worley Section,Township,Range: 24,4N,67W <br /> Landform(hillside,terrace,etc.): Topographical depression Local relief(concave,convex,none): Concave Slope(%): 2 <br /> Subregion(LRR): LRR G,MLRA 67B Lat: 40.29784°N Long: -104.8386°W Datum: NAD83 <br /> Soil Map Unit Name:Aquolls and Aquents,gravelly substratum NWI classification: None <br /> Are climatic/hydrologic conditions on the site typical for this time of year? Yes X No (If no,explain in Remarks.) <br /> Are Vegetation ,Soil or Hydrology significantly disturbed? Are"Normal Circumstances"present? Yes X No <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 No X Is the Sampled Area <br /> Hydric Soil Present? Yes No X within a Wetland? Yes No X <br /> Wetland Hydrology Present? Yes No X <br /> Remarks: <br /> Data point within the southwest corner of the survey area.Upland data point is on the high side of the depression within uplands.The depression <br /> likely fills within surface water and irrigation runoff.Paired with data point DP A1w. <br /> VEGETATION—Use scientific names of plants. <br /> Absolute Dominant Indicator <br /> Tree Stratum (Plot size: 30 ) %Cover Species? Status Dominance Test worksheet: <br /> 1. Populus deltoides 5 Yes FAC Number of Dominant Species That <br /> 2. Are OBL,FACW,or FAC: 2 (A) <br /> 3• Total Number of Dominant Species <br /> 4. Across All Strata: 4 (B) <br /> 5 =Total Cover Percent of Dominant Species That <br /> Sapling/Shrub Stratum (Plot size: 15 ) Are OBL,FACW,or FAC: 50.0% (A/B) <br /> 1. Salix exigua 5 Yes FACW <br /> 2, Prevalence Index worksheet: <br /> 3. Total%Cover of: Multiply by: <br /> 4, OBL species 0 x 1 = 0 <br /> 5, FACW species 5 x 2= 10 <br /> 5 =Total Cover FAC species 5 x 3= 15 <br /> Herb Stratum (Plot size: 5 ) FACU species 45 x 4= 180 <br /> 1. Salsola kali 45 Yes FACU UPL species 40 x 5= 200 <br /> 2. Bromus tectorum 15 No UPL Column Totals: 95 (A) 405 (B) <br /> 3. Bromus inermis 25 Yes UPL Prevalence Index =B/A= 4.26 <br /> 4. <br /> 5, Hydrophytic Vegetation Indicators: <br /> 6, _1 -Rapid Test for Hydrophytic Vegetation <br /> 7, _2-Dominance Test is>50% <br /> 8. _3-Prevalence Index is:53.0' <br /> 9, 4-Morphological Adaptations'(Provide supporting <br /> 10 data in Remarks or on a separate sheet) <br /> 85 =Total Cover Problematic Hydrophytic Vegetation'(Explain) <br /> Woody Vine Stratum (Plot size: 5 ) '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 15 Present? Yes No X <br /> Remarks: <br /> Data point in southwest corner of survey area which likely collects surface water and irrigation runoff. <br /> — .0 <br />