HYDRO30583

• Permit No: C1981019
• IBM Index Class Name: Hydrology
• Doc Date: 12/21/2004
• Doc Name: 3rd Quarter 2004 DMR Review Memo ‎(CO-00045161)‎
• 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]
Interoffice MEMORANDUM
to: DMR file, C-1981-019
from: Byron G. Walker
cc: Dan Hernandez (e-mail)
subject: Review of 3rd Quarter 2004 DMR CO-00045161
date: December 21, 2004
COLORADO
DIVISION OF
MINERALS
GEOLOGY
0.EClAMATION•MINING
SAfETY•SC IENCE
Bill Owens
Governor
Russell George
Executive Director
Ronald W. Cattany
Division Director
Natural Resource Trustee
ref: Colowyo letter to CDPHE, October 20, 2004, Re: Colowyo Coal Company, L.P.
(Colowyo); CDPS NO. CO-00045161; Third Quarter 2004 Discharge Monitoring
Reports (DMR), and Colowyo letter to CDPHE, November 5, 2004, Re: Colowyo
Coal Company, L.P. (Colowyo); CDPS NO. CO-00045161; Revised Third
Quarter 2004 Discharge Monitoring Reports (DMR)
Discharge from Outfal1001 A (Streeter Pond) and Outfa11007A (Prospect Pond) was reported as
having discharged. Compliance with rules:
4.05.1(3) In no case shall Federal and State water quality statutes, regulations, standards, or
effluent limitations be violated.
An exceedence in Total Suspended Solids (TSS) was reported to the Colorado Department of
Health and Environment (CDPHE) at Outfall 001. Exceedences in TSS and in settable solids
(SS) were reported to CDPHE at Outfall 007A.
4.05.13(2)(a)(ii) Result in the person who conducts the surface or underground mining activities
notifying the Division within 5 days after analytical results of the sample collections indicate that
noncompliance with a permit condition or applicable standard has occurred. Where a National
Pollutant Discharge Elimination System (NPDES) permit effluent limitation noncompliance has
occurred, the person who conducts surface or underground mining activities shall forward the
analytic results concurrently with the written nolice of noncompliance; and
The Division of Minerals and Geology (Division) did not receive notification with the 5-day time
frame.
4.05.13(2)(a)(iii) See the Rules for the text of this rule.
The Division did not receive notification of exceedences as required by this rule. Colowyo
received the analytical reports of the exceedence at Outfal1001 on September 18, 2004 and of the
exceedences at Outfall 007 on August 9, 2004.
Office of Office of Colorado
Mined Land Reclamation Active and Inactive Mines Geological Survey