PERMFILE102535

• Permit No: M2004078
• IBM Index Class Name: Permit File
• Doc Date: 3/8/2005
• Doc Name: Hydrology Review
• From: DMG
• To: DMG
• Media Type: D
• Archive: No

STATE OF COLORADO
DIVISION Of MINERALS AND GEOLOGY
Department of Natural Resources
1313 Sherman St., Room 215
Denver, Colorado 80203
Phone: [phone]
FAX: [phone]
DATE: March 8, 2005
TO: Erica Crosby, Carl Mo/u~nt
FROM: Tom Schreiner ~,uK
COLORADO
DIVISION OF
MINEBRALS
GEOLOGY
RECLAMATION•MINING
SAFETY•SCIENCE
Bill Owens
Governor
Russell George
Executive Director
Ronald W. Cottony
Division Director
Natural Resource Trustee
RE: Hydrology Review, Lupton Lakes Resource, SE TKO Joint Venture, File M-2004-078
Class: Permit
This memo contains adequacy review comments from the Division's Hydrology Review of the
Lupton Lakes Resource Regular 112 Application, File No. M-2004-078.
6.4.3 EXHIBIT C -Pre-Minin¢ & Mining Plan Maps
6.4.4 EXHIBIT D -Minin¢ Plan
I. On page 4 of the application form the applicant specifies use or storage of the following items
within the permit area: 55 gallon drums of antifreeze, hydraulic oil, engine oil, and other
lubricants; a 10,000 gallon tank of diesel fuel; and a 1,000 gallon tank of gasoline. In
conformance with Rule 3.1.6(1), please provide astorage/containment plan which specifies
primary and secondary containment measures to be employed to assure that disturbances to
surface water and groundwater in the affected land and sun•ounding area will be minimized. The
storage/containment plan will need to include a description of the containment measures to be
employed, a commitment to install such measures prior to storage of chemicals on site, a map
showing the location of the storage area (must be outside the 100-yeaz floodplain of the South
Platte River), and a representative cross section of the secondary containment system(s) to be
installed.
2. The applicant speciftes on page 12 that the mining operation will include pit de-watering and
offsite discharge of recovered groundwater in accordance with a Colorado Discharge Permit
System/NPDES regulations. It is the Division's understanding that recovered groundwater from
pit de-watering operations will be discharged offsite and into the South Platte River. Please
clarify where the point(s) of offsite discharge will occur, the method(s) used to safely discharge
the recovered groundwater, and what structure(s) the recovered groundwater will be discharged
Office of Office of Colorado
Mined Land Reclamation Active and Inactive Mines Geological Survey