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III IIIIIIIIIIIIIIII <br />STATE OF COLORADO <br />OFFICE OF THE STATE ENGINEER <br />Division of Water Resources <br />Department of Natural Resources <br />1313 Sherman Street, Room 818 <br />Dern~er, Colorado 80203 <br />Phone 1707) 866-3581 <br />FAX (3031 866-3589 <br />Mr. Joseph J. Dudash <br />Environmental Protection Specialist <br />Division of Minerals and Geology <br />1313 Sherman St., Room 215 <br />Denver, Colorado 80203 <br />August 7, 1996 <br />RE: Hayden Gulch Mine (Permit No. C-80-003) <br />Technical Revision Application No. 66 <br />Pond HG-8 Spillway Modification <br />Dear Mr. Dudash <br /> <br /> <br /> <br />cl^.c~~IED OF' Cpl <br />,C~, r <br />Nei <br />• <br />~~y~ <br /> , <br />AEG a S }996 ~ •,a,6 <br />~1' ~, ~Ot11b~Y <br />Ip~(~,b <br />LdO~ 01 M <br />` Roy Ramer <br />Governor <br />l\ <br />L lames S. Luchhead <br /> Executive DIleC10r <br /> Hal D. Simpson <br />State Engineer <br />This office has reviewed the technical revision referenced above for potential impacts to <br />water rights. The following comments are provided for your consideration: <br />11 The proposed changes to the principal discharge structure to allow maintenance of an <br />optimal permanent water level are not subject to Rules and Regulations for Dam Safety <br />and Dam Construction except as specifically exempted by rule 18D and are exempted <br />further by C.R.S. 37-87-114.5. <br />21 There are no apparent additional water rights impact issues beyond what should have <br />already been addressed with initial structure approval. <br />This office has no objection to the referenced proposed technical revision. <br />Sincerelyi <br />~~~~ <br />Chuck Roberts <br />Professional Engineer III <br />CGR/jmg <br />cc: Ed Blank, Div. 6 Engineer <br />7305L.cgr <br />