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HYDRO30109
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Entry Properties
Last modified
8/24/2016 8:48:55 PM
Creation date
11/20/2007 11:57:15 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1981013
IBM Index Class Name
Hydrology
Doc Date
11/20/2002
Doc Name
Letter Requesting Deactivation of NPDES Permit COG-850040
From
Peak Project Management
To
DMG
Permit Index Doc Type
NPDES
Media Type
D
Archive
No
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RECE~iJE® <br />NOV 2 0 2002 <br />Division of Minerals and Geology <br />November 19, 2002 <br />Chris Gates <br />Colorado Department of Health <br />4300 Cherry Creek Drive South <br />Denver, Colorado 80222-1530 <br />Re: Golden Eagle Mine -Permit No. COG-850040 <br />Dear Mr. Gates: <br />Peak Project Management <br />3800 County Road 63.9 <br />Trinidad, CO 81082 <br />Phone/Fax: (779) 846-4975 <br />Basin Resources is the owner-operator of the Golden Eagle Mine in Las Animas County Colorado. The <br />Golden Eagle Mine is covered under the Colorado General permit COG-850040. Coverage under this <br />permit was recently renewed. This renewal included coverage under the provisions for Stormwa[er <br />monitoring. The application noted that the discharge points had been reclaimed and were noted for <br />historical reference only. However, the permit renewal continued the reporting requirements. <br />The mine closed in December of 1995 and is now in the sixth year of the final reclamation process. The <br />State of Colorado, Division of Minerals and Geology (DMG) is charged with monitoring reclamation <br />success. In August of 1997 Basin requested Phase I bond release. Al] mine related facilities (except <br />settling ponds) not approved as part of [he post-mining land use had been removed and [he site regraded to <br />the approved post mining topography. DD?G approved Phase I bxd release March 13, 1998. <br />~In September of 1998, Basin submitted a study to DMG demonstrating that vegetative growth at the mine <br />site was adequate to meet the settleable solids standard from the 10-year 24-hour storm event. Based on <br />this study, Basin requested approval to decommission and reclaim the two sedimentation ponds approved <br />as discharge points in NPDES permit number COG-850040. DMG approved this request October 14, <br />1998. Pond reclamation was completed in December of 1998. On April ]3, 1999, Mike Knope, an <br />engineer with the Colorado Department of Health, inspected the Golden Eagle Mine to verify reclamation <br />of the mine-site and pond removal. At the request of CDH, Basin continued to submit DMR's for the <br />above referenced permit even though the ponds had been removed from service and the area reclaimed. <br />Iri August of 2000, Basin submitted a request for Phase II bond release to DMG. Amine-site is eligible for <br />Phase II bond release when Phase 1 bond release has been granted, appropriate vegetation cover has been <br />established, and erosion has been demonstratively controlled. On January 29, 2001 DMG issued a <br />proposed decision approving Phase II release. This decision became final on March 12, 2001. <br />
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