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• The table below breaks down the evaporation by month. <br />Evaporation <br />Water Use Tributary <br />and period Water <br /><ac-ft) <br />January .17 <br />February .19 <br />March .27 <br />April .40 <br />May .54 <br />June .81 <br />July .95 <br />August .91 <br />September .72 <br />October .SO <br />November .32 <br />December .21 <br />Total 5.99 <br />Refer to the following figure for evaporation percentage of total <br />per month, and average lake evaporation information. Actual net <br />• evaporation of 37.1 inches per year <3.09 ft./year) considers <br />preciFite~±^^ -~l^we~cs. !!sh od for calculating net evapor~tien <br />consistent with Office of State Engineer procedures. <br />The following summarizes the net estimated use and relationships <br />between tributary and non-tributary water usage as a result of mine <br />activities at the Keenesburg Mine. <br />Water Tributary Non-tributary Tot. Water <br />Use Water Use Water Use Use <br /> (ac-f t) <br />T <ac-ft) (ac-ft) <br />Irrigation <br />(April iS-June 15) 2.56 17.24• 19.80 <br />Dust Suppression <br />(Mar. 1-Oct. 1 1.64 .22 1.B6 <br />Office/shower <br />Call year) 1.49 1.49 <br />Equipment wnsh- ' <br />down (all year) 3.76 3.76 <br />Evaporation <br />(all year) 5.99 - 5.99 <br />Total 10.19 22.71 32.80 <br />•Maximum potential production for LFH #1. <br />-4- <br />