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Mr. Dick Wolfe <br />January 12, 2011 <br />Page 3 <br />Hamp-Bell credits provide a net credit of 22.0 ac-ft per year used to offset a portion of the total depletion. <br />As shown in Table 2A, the Hamp-Bell credits are applied to the replacement requirement from May <br />through August, but storage releases will be required to replace September through April depletions and <br />winter return flow obligations. The total required release from Pueblo Reservoir is 34.5 ac-ft per year or <br />38.3 ac-ft per year if the water is released from Clear Creek Reservoir. This scenario results in 72.2 ac-ft <br />per year of excess PBWW lease water, 61.4 ac-ft per year of excess Hamp-Bell Ditch credits, and 33.63 <br />ac-ft of excess Twin Lakes Reservoir water. This water is not required for projected operations under <br />Scenario A but is available for unforeseen increases in depletions. <br />SCENARIO B <br />Scenario B represents possible future operations that will take effect once PBWW has the right to store <br />the Hamp-Bell Ditch credits. Per the decree in Case No. 03CW8 and the 2004 agreement between Transit <br />Mix and PBWW, Transit Mix will no longer be responsible for replacing the wintertime return flow <br />obligation associated with the Hamp-Bell Ditch water rights and will only be entitled to the net excess <br />credit after full augmentation of Chain of Lake depletions and replacement of wintertime delayed return <br />flows under this scenario. These net excess credits average approximately 10 ac-ft per year and are <br />available to Transit Mix according to a delivery schedule that is agreeable to both parties. The <br />replacements under Scenario B are shown in Table 2B. Depletions at the pit that cannot be covered by <br />ditch credits will be replaced by delivery of the PBWW lease water totaling 39.6 ac-ft per year (shown in <br />Column [3]). Scenario B results in 66.4 ac-ft per year of excess PBWW lease water and 33.63 ac-ft of <br />excess. Twin Lakes Reservoir water. This water is not required for projected operations under Scenario B <br />but is available for unforeseen increases in depletions. <br />Examples, of the monthly accounting sheet and reservoir release summary sheet that will be submitted <br />with the monthly accounting are attached. I will be the person responsible for submitting the monthly <br />accounting to the State. <br />This letter and enclosures should provide you with the information you need to renew the SWSP. Please <br />do not hesitate to contact us if you have any questions or need any additional information. <br />Very truly yours, <br />BISHOP-BROGDEN ASSOCIATES, INC. <br />Julia Keedy, E.I. <br />Water Resources Engineer <br />Revie d b <br />Christopher J. anchez, P.G. <br />Principal - Hydrogeologist <br />JAK/jeb <br />Enclosures <br />cc: Bud Herskind <br />Mark Klune <br />Hank Worley, Esq. <br />Clayton Morrow <br />9107.07