HYDRO22621

• Permit No: C1981019
• IBM Index Class Name: Hydrology
• Doc Date: 7/23/2004
• Doc Name: 2nd Quarter 2004 Review Memo ‎(CO-00045461)‎
• From: Byron Walker
• To: File
• Permit Index Doc Type: DMR’s
• 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]
COLORADO
DIVISION OF
M[N~RALS
GEOLOGY
0.EC LAMATION•M INING
SAFETY•SCIENCE
Interoffice MEMORANDUM BillOwens
Governor
to: DMR file, C-1981-019 Russell George
from• Byron G. Walker Executive Director
cc: Dan Hernandez (e-mail) Ronald W. Cottony
Division Director
subject: Review of 2nd Quarter 2004 DMR CO-00045161 Nat~Tal Resoorce rmstee
date: July 23, 2004
ref: Colowyo letter to CDPHE, July 20, 2004, Re: Colowyo Coal Company, L.P.
(Colowyo); CDPS NO. CO-00045161; Secondt Quarter 2004 Discharge Monitoring
Reports (DMR)
Only Outfall 001 A (Streeter Pond) was reported as having dischazged. Parameters were reported as
within allowable primary limits. The 30-day average flow was reported as 0.091 million gallons/day
(mgd), up from the previous two quarters of 0.058 and 0.079. The pond was dischazging 0.078 mgd
during the 27 May Division inspections.
Compliance with rules:
4.05.1(3) In no case shall Federal and State water quality statutes, regulations, standards, or
effluent limitations be violated.
None were violated.
4.05.13(2)(a)(ii) See the Rules for the text of this rule.
In compliance by exception.
4.05.13(2)(a)(iii) See the Rules for the text of this rule.
The reports were submitted to the Division at the same time they were submitted to CDPHE WQD.
The reports were submitted on July 20, 2004, and received at the Division on July 22, 2004.
Files: DMR reports
C:\bgw\My Documents\Colowyo\DMR\dmr 00045161 2ndgtr4 rvw.doc
Office of Office of Colorado
Mined Land Reclamation Active and Inactive Mines Geological Survey