2010-05-03_HYDROLOGY - C1982056 ‎(5)‎

• Permit No: C1982056
• IBM Index Class Name: HYDROLOGY
• Doc Date: 5/3/2010
• Doc Name: 1st Quater 2010 DMRS Review ‎(CO-0027154 & CO-0036684, COG-850051, CO-0042161, COG-073311)‎
• From: DRMS
• To: Twentymile Coal Company
• Permit Index Doc Type: DMR’s
• Email Name: JDM
• Media Type: D
• Archive: No

STATE OF COLORADO
DIVISION OF RECLAMATION, MINING AND SAFETY
Department of Natural Resources
1313 Sherman St., Room 215
Denver, Colorado 80203
Phone: [phone]
FAX: [phone]
May 3, 2010
COLORADO
D IV IS I ON OF
RECLAMATION
MINING
SAFETY
Bill Ritter, Jr.
Governor
Brian A. Watterson James B. Martin
Twentymile Coal Company Executive Director
29515 Routt County Road #27 Loretta E. Pineda
Oak Creek, CO 80467 Director
RE: Twentymile Coal Company, Permit C-82-056
1" Quarter 2010 Discharge Monitoring Report Review (Permit CO-0027154, CO-
0036684, COG-850051, CO-0042161)
February and March 2010 Discharge Monitoring Report Review (Permit COG-073311)
Dear Mr. Watterson,
The Colorado Division of Reclamation, Mining, and Safety (CDRMS) has reviewed and found the
above referenced reports to be in compliance with Rule 4.05.13(2). The 1St quarter 2010 Discharge
Monitoring Reports for the above referenced CDPS Permits were received by the Division on 03 May
2010; the reports cover the time period from O1 January 2010 through 31 March 2010.
Permit CO-0027154 - Only outfalls 005A/MON5/005W (Pond D), 003A (Pond B) and 006A (Pond E)
discharged during the first quarter 2010. No exceedances of any compliance criteria were noted during
the month. Outfalls 002A, 004A, 007A, 007W, MON7, and 008A did not discharge during the month
noted.
Permit CO-0036684 - Outfalls 001 A/001 W/MON1 (Site 62) did not flow during the quarter
Permit COG-850051 - Outfalls 001/OOW (6MN Pond) did not discharge during the quarter
Permit CO-0042161 - Outfall 002A (sites 300E and 3001) discharged during the quarter with no
exceedance noted. Outfalls 001 A/001 W/MON 1 (site 115) did not discharge during the quarter.
Permit COG-073311 - Outfall OOIA (Fish Creek Construction Crossing) discharged during the month
of March 2010. Two exceedances were noted relating to TSS.
It is noted that based on a Memorandum of Understanding between the Division of Reclamation,
Mining and Safety and the Water Quality Control Division (WQCD), the WQCD will be responsible
for enforcing CDPS permit conditions including exceedances of TSS.
Office of Office of
Mined Land Reclamation Denver • Grand Junction • Durango Active and Inactive Mines