Laserfiche WebLink
Table 3 <br /> Martin Marietta <br /> Overland Ponds Site <br /> Evaporative and Operational Consumptive Use <br /> Evaporation Operational Total Total <br /> Percent of Gross Lake Effective Net Lake Net Exposed Total Lake Crushed Washed Water Retained Water Used for Operational Consumptive Lagged <br /> Month Annual Evaporation Precipitation Precipitation Evaporation Water Surface Evaporation Aggregate Aggregate in Product Dust Control Consumptive Use Use Depletions <br /> Evaporation (ft) (in) (ft) (acre-ft/acre) (acre) (acre-feet) (tons) (tons) (acre-feet) (acre-feet) (acre-feet) (acre-feet) (acre-feet) <br /> (A) (B) (C) (D) (E) (F) (G) (H) (I) (J) (K) (L) (M) (N) <br /> Jan-16 3.0% 0.10 0.36 0.02 0.00 0.00 0.00 0 0 0.00 0.00 0.00 0.00 0.01 <br /> Feb-16 3.5% 0.11 0.48 0.03 0.00 0.00 0.00 0 0 0.00 0.00 0.00 0.00 0.01 <br /> Mar-16 5.5% 0.17 1.18 0.07 0.11 0.00 0.00 0 0 0.00 0.00 0.00 0.00 0.00 <br /> Apr-16 9.0% 0.29 1.97 0.11 0.17 0.00 0.00 0 0 0.00 0.00 0.00 0.00 0.00 <br /> May-16 12.0% 0.38 2.74 0.16 0.22 0.00 0.00 0 0 0.00 0.00 0.00 0.00 0.00 <br /> Jun-16 14.5% 0.46 1.83 0.I1 0.35 0.00 0.00 0 0 0.00 0.00 0.00 0.00 0.00 <br /> Jul-16 15.0% 0.48 1.62 0.09 0.38 0.00 0.00 0 0 0.00 0.00 0.00 0.00 0.00 <br /> Aug-16 13.5% 0.43 1.42 0.08 0.34 0.00 0.00 0 0 0.00 0.00 0.00 0.00 0.00 <br /> Sep-16 10.0% 0.32 1.27 0.07 0.24 0.00 0.00 0 0 0.00 0.00 0.00 0.00 0.00 <br /> Oct-16 7.0% 0.22 1.13 0.07 0.16 0.00 0.00 0 0 0.00 0.00 0.00 0.00 0.00 <br /> Nov-16 4.0% 0.13 0.59 0.03 0.09 0.00 0.00 0 0 0.00 0.00 0.00 0.00 0.00 <br /> Dec-16 3.0% 0.10 0.49 0.03 0.07 0.00 0.00 0 0 0.00 0.00 0.00 0.00 0.00 <br /> Total 100% 3.17 15.08 0.88 2.13 - 0.00 0 0 0.00 0.00 0.00 0.00 0.02 <br /> Gross Exposed Water Surface= 0.00 acres within current permit boundary <br /> Annual Precipitation= 15.5 inches -Based on Western Regional Climate Center Fort Collins,CO Station(050035) <br /> Gross Annual Evaporation= 38 inches -Taken from NOAA Technical Report NWS 33 <br /> Notes: <br /> (A)Based upon SEO General Guidelines for Substitute Water Supply Plans for Sand and Gravel Pits. <br /> (B)Gross lake evaporation=(A)*(Gross Annual Evaporation/12). <br /> (C)Estimated using annual precipitation and average monthly distribution of precipitation from the Western Regional Climate Center-Fort Collins,CO(050035). <br /> (D)Effective precipitation=0.7'(C)/12. <br /> (E)Net lake evaporation from exposed water surfaces=(B)-(D).Based on information from the Western Regional Climate Center Station for Fort Collins,CO(053005)over a study <br /> period of 1893-2012,there is no evaporation December-February due to below-freezing average monthly temperatures. <br /> (F)All cells at the Overland Ponds Site are lined and therefore,there is no exposed water surface area. <br /> (G)Total lake evaporation from exposed water surfaces=(E)•(F). <br /> (H)Crushed aggregate amounts provided by Martin Marietta. <br /> (I)Washed aggregate amounts provided by Martin Marietta. <br /> (J)Water retained in product equals 4%of total weight of washed aggregate produced and 2%of total weight of crushed aggregate produced. <br /> (K)Dust control water volumes provided by Martin Marietta. <br /> (L)Equals(J)+(K). <br /> (M)Equals(G)+(L). <br /> (G)Lagging calculations were based on the following parameters: <br /> Distance from stream=2,000 ft,Transmissivity=160,000 gpd/ft,Specific Yield=0.2,No-flow Boundary=3,000 ft <br /> BBA <br />