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2018 Water Balance:Derr Pit Substitute Water Supply Plan <br /> Table 3 <br /> `i��da6 afptD Mess C,onstQa�I I C <br /> Submitted by: <br /> Paul Weiss,P.E. <br /> 5255 Ronald Reagan Boulevard,Suite 220 <br /> Johnstown,CO 80534 <br /> Depletions Replacements <br /> Monthly Exposed Water Water Greeley Effluent <br /> Net Water Evaporative Mining Retained Used For Total Lagged Leased Conveyance Water <br /> Evap Surface Area Losses Production in Material Dust Control CU Depletions Effluent Loss Balance <br /> Month (ft) (acres) (ac-ft) (tons) (ac-ft) (ac-ft (ac-ft) (ac-ft) (ac-ft) (ac-ft) (ac-ft) <br /> (A) (B) (C) (D) (E) (F) (G) (H) (1) U) (K) <br /> Aug-18 0.39 0.75 0.30 25,000 0.37 0.60 1.26 -0.12 0.20 0.00 0.08 <br /> Sep-18 0.29 0.75 0.22 25,000 0.37 0.50 1.09 -0.39 0.50 -0.01 0.10 <br /> Oct-18 020 0.75 0.15 25,000 0.37 0.40 0.92 -0.49 0.60 -0.01 010 <br /> Nov-18 012 0.75 0.09 25,000 037 030 076 -0.51 0 70 -0.01 0.18 <br /> Dec-18 009 075 0.07 25,000 0.37 0.30 0.73 -0.50 0.70 -0 01 0.19 <br /> Jan-19 009 0.75 0.07 25,000 0.37 0.20 0.63 -0 49 0.65 -0.01 0.15 <br /> Feb-19 010 075 0.08 25,000 0.37 030 074 -0.48 0.65 -0 01 016 <br /> Mar-19 0.16 075 012 25,000 0.37 040 0.89 -0 52 070 -0.01 0.17 <br /> Apr-19 026 075 020 25,000 0 37 040 096 -0.57 0.70 0.01 0.12 <br /> May 19 035 0.75 0.26 25,000 0 37 0.50 1 13 -0.63 0.75 -0.01 Oil <br /> Jun-19 0.42 0.75 0.32 25,000 0.37 0.50 1.19 -0.71 0.85 -0.01 0.13 <br /> Jul-19 0.44 0.75 0.33 25,000 0.37 0.60 1.30 -0.77 0.90 -0 01 0.12 <br /> TOTAL 2.92 2.19 300,000 4.41 500 1160 -6.18 790 -0.12 160 <br /> Notes <br /> (A) Monthly evaporation <br /> (B)Exposed water surface <br /> (C)Monthly evaporation=(C)x(B) <br /> (D)Estimated Production <br /> (E)Water Retained in Material,assuming 2%Retention <br /> (F)Estimated Water Use for Dust Control <br /> (G)Total Consumptive Use=(C)+(E)+(F) <br /> (H)Lagged Depletions computed with AWAS <br /> (1) Effluent Credit from City of Greeley <br /> (J) Estimated Losses on replacement supply conveyance <br /> (K) Net Impact toPoudre River=(H)+(I)+(J) <br /> ")ter Ke110tIr C: � naine.enns; <br />