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TABLE 2 <br />Evaporation Depletion Analysis from Dewatering <br />Loveland Ready - Miz Concrete, Inc. - Bokelman / Walters Pit <br /> <br /> <br /> <br />onth <br />Surface Area of <br /> <br />Settling Pond <br />(acres) <br />1 Gross <br /> <br />Evaporation <br />Rate <br />(ft) <br />2 Total <br /> <br />Precipitation <br />Rate <br />(ft) <br />3 Effective <br /> <br />Precipitation <br />Rate <br />(ft) <br />4 Net <br /> <br />Evaporation <br />Rate <br />(ac-ft) <br />5 <br />Net <br /> <br />Evaporation <br />(ac-ft) <br />6 <br />September 0.16 0.33 0.13 0.09 0.24 0.04 <br />October 0.16 0.23 0.09 0.06 0.17 0.03 <br />November 0.16 0.13 0.06 0.04 0.09 0.01 <br />December 0.16 0.10 0.04 0.03 0.07 0.01 <br />January 0.16 0.10 0.04 0.03 0.07 0.01 <br />February 0.16 0.11 0.04 0.03 0.09 0.01 <br />March 0.16 0.18 0.11 0.07 0.11 0.02 <br />April 0.16 0.29 0.16 0.11 0.18 0.03 <br />May 0.16 0.39 0.25 0.18 0.22 0.03 <br />June 0.16 0.47 0.17 0.12 0.36 0.06 <br />July 0.16 0.49 0.14 0.10 0.39 0.06 <br />August 0.16 0.44 0.14 0.10 0.35 0.06 <br />Total 127 1.35 0.95 2.32 0.37 <br />Notes: <br />[1] 2009 SWSP surface area includes 0.16 ac of settling basin. <br />[2] Based on NOAA Evaporation Atlas and distributed according to SEO Senate Bill 120 criteria for less than 6500ft. <br />[3] Based on average of 1949 to 2002. Waterdale Station (ID#8839). <br />[4] Effective precipitation equal to 70% of total precipitation, [3]. Based on guidelines of SEO Senate Bill 120. <br />[5] Equal to gross evaporation rate, [2], less effective precipitation rate, [4]. <br />[6] Equal to total exposed surface area, [i], times net evaporation rate, [6]. <br />., l7BA W9641 -Loveland Ready hW10 Walters and Bokelman\2010 AnaWa.xla Table 2 <br />._...__._.. - 12:36 PM ISL <br />warerconsultantc BISHOP-BKOCDEN ASSOCIATES. INC. 8117/2010