2016-06-15_INSPECTION - M1977141 (2)

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Table i 2o16 Water Balance Lyons Quarry Substitute Water Supply Plan Date Revised:5/to/2ot6 AG Job#: 06f03 AU vevics An ocft vr:m rated Depletions Replacements Gross Net Percent of Evaporation Average Effective Average Air Evaporation Annual Rate Precipitation Precipitation Temperature Rate CST Lease Month Evaporation (in] [in] [in] M [in] Depletions Volume CST Credit Water Balance (A) (S) (C) (0) (E) (F) (G) (H) (I) (J) Apm6 9% 333 2-51 1.76 47 1.57 - - Ma"6 12Z 4.44 3.46 2.42 55 2.02 0.05 0.3 0.15 0.10 Jun-t6 15% 5.37 1-45 1.01 67 4-35 0.11 0.3 0.15 0.04 JuM6 15% 5.55 1.87 1.3' 71 4.24 0.11 0.4 0.20 0.09 Aug-16 14% 5.00 1.28 0.89 70 4.10 0.:0 0.3 0.15 0.05 Sep•t6 10% 3.70 2.43 1.70 62 2.00 0.05 0.3 0.15 0.10 4ct•+6 7% 2.59 1.34 0.93 48 1.66 0.04 0.4 0.20 o.16 Nov-16 4% 1.43 0.70 0.49 37 0.99 0.02 0.0 0.00 -0.02 Dec-16 3= I'll 0.34 0.23 27 0.00 0.00 0.0 0.00 0.00 Jan•17 3% 1.11 0.25 0.17 29 0.00 0.00 0.0 0.00 0.00 Feb-17 4% 1.30 0.55 0.39 31 0.00 0.00 0.0 0.00 0.00 M3r-:7 1 6% 2.04 0.83 0.58 41 1.45 0.04 1 0.0 0.00 -0.04 Total 100% 37.00 17.00 11.90 - 22.38 0.52 1 2.0 1.00 0.48 Gross Annual Evaporation= 37 inches per NOAA Technical Report NWS 33 Effective Precipitation Credit Rate- 70% Freezing Point of Water= 2 'F Exposed Area= 0.3 acres CST Credit Rate= o% No2Cs: (A) Percent of annual evaporation for elevations below 6,500 feet (8)=(Gross Annual Evaporation)*(A) (C)Average precipitation at NC%VCD's Longmont West station,adjusted to Lyons Quarry location (D)_(Effective Precipitation Credit Rate)*(C) (E)Average air temperature at NCWCD's Longmont West station,adjusted to Lyons Quarry e!evation (F)_(8)-(D). Zero evaporation If(E)is less than the freezing point of water. (G)=(Exposed Area)*(F)h2.Assumes instantaneous depletions (H)CST lease volume (1)_(CST Credit Rate)*(H) (J)=(1)-(G)