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DENVER WATER <br />1600 West 12th Avenue • Denver, Colorado 80204-3412 <br />Phone 303 - 628 -6000 -Fax No. 303 - 628 -6199 • denverwater.org <br />May 15, 2014 <br />Division of Reclamation, Mining, and Safety <br />1313 Sherman Street <br />Room 215 <br />Denver, Colorado 80203 <br />Attn: Tyler O'Donnell <br />Re: M- 1978 -OS2 HOWE PIT <br />Dear Tyler: <br />Ir IHID <br />MAY 15 7 0 1 I 4 <br />DIVISION OF RECLAMATION <br />MINING AND SAFETY <br />By: a -Mail and USPS <br />Denver Water's Howe - Haller A and B Reservoirs were damaged in the September 2013 storm event. <br />The compacted clay liners on both reservoirs were damaged. Denver Water is in the process of <br />evaluating repair options; once a repair option has been selected Denver Water will inform the DRMS <br />and initiate a Technical Revision to the mining permit to address the repairs. <br />Once the repair is completed another leak test will be performed and reported in accordance with State <br />Engineer Guidelines for Lining Criteria for Gravel Pits (1999). <br />If you have any questions or should you need any additional information, please do not hesitate to <br />contact me at 303 - 628 -6309 or greg.gulley @denverwater.org. <br />Sincerely, <br />Gr ry E. Gulley <br />Downstream Reservoir Water Storage Program Manager <br />