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ii i iii i ii i ii iiii iii <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 810 <br />Denver, Colorado 8(1203 <br />Phone (3031 866-3587 <br />FAX (3031866-3589 <br />Ms. Barbara L. Pavlik <br />Environmental Protection Specialist <br />Division of Minerals & Geology <br />1313 Sherman Street, Room 215 <br />Denver, Colorado 80203 <br />pF' CO <br />R~_,. ~~ <br />Ne// <br />RECEIVED '• •' <br />• ~BT6 • <br />JUL 121995 <br />July 12, 1995 Division DI ivunerals s Ueulogy <br />RE: Deserado Mine (Permit No. C-81-018) <br />Technical Revision No. 37 (Groundwater Monitoring Program) <br />Dear Ms. Pavlik: <br />Roy Romer <br />Goxmrnor <br />lames5 Lochhead <br />Executioe Director <br />Hal D. Simpson <br />Slate Engineer <br />After reviewing the file in your office for the referenced technical revision, the following <br />comments and observations are provided for your consideration. <br />1) Apparently the proposed revision entails eliminating some bedrock groundwater quality <br />monitoring. <br />2) It's unclear, from the data I reviewed, whether the wells involved will be plugged and <br />abandoned or converted to beneficial use. <br />3) If no wells will be removed from the monitoring program, but merely a change in parameters <br />monitored, then this office has no objections to the technical revisions proposed. <br />4) If wells are to be plugged and abandoned, then the requirements of Rule 15 of the Water Well <br />Construction Rules (2 CCR 402-2) pertain and must be accomplished in compliance. <br />5) If the wells are slated for conversion to beneficial uses, then applications to use ground water <br />must be submitted to this office. <br />The above comments should cover the proposed technical revision which was unclear per se <br />as to disposition of the involved wells. <br />Sincerely <br />~G'/,~GC~~I' ~rei~O <br />Chuck Roberts <br />Professional Engineer III <br />CGR/jmg <br />6490L.cgr <br />