HYDRO31141

• Permit No: C1981022
• IBM Index Class Name: Hydrology
• Doc Date: 2/10/2000
• Doc Name: PUBLIC NOTICE OF COMPLETED APPLICATIONS AND TENTATIVE DETERMINATION TO ISSUE WASTE DISCHARGE PERMITS
• Permit Index Doc Type: NPDES
• Media Type: D
• Archive: No

1'....
COLORADO DISCHARGE PERMIT SYSTEM (CDPS)
i
RATIONALE-AMENDMENT NO. 5
OXBOW CARBON AND MINERALS, INC.
SANBORN CREEK AND ELK CREEK COAL MINES
CDPS PERMIT NUMBER CO-OOOOl32, GUNNISON COUNTY
L TYPE OF PERMIT Amendment
IL FACILITY INFORMATION
A. Facility Type: Coal Mining -Mine Water, Prep Plant, Category 02, Subcategory 2
and Fee Category: Industrial Stormwater-greater than 10 acres, Category 24, Subcategory 2
Annual Fee: $647 + 3I7 = $964 TOTAL (e,~ective July 1, 1998)
Amendment Fee: Category 25, Subcategory 2--An amount equal to 55% of the annual fee,
(One-Time) not to exceed $2,750. For this amendment = $356 (effective 7/1/98)
(Based on process water fee, which is only part of permit being amended)
B. SIC Code: 1222 (Coal Mining, Underground)
C. Legal Contact: Walter L. Wright
Mine Manager
Oxbow Carbon and Minerals, Inc.
P.O. Box 535
Somerset, CO 81434
[phone] FAX: (970) 929-SI77
D. Facility Contact:
E. Facility Location:
F Discharge Points:
Table II-1 - Discharee Paints
Kathleen G. Welt
Environmental Supervisor
Oxbow Carbon and Minerals, Inc.
P.O. Box 535
Somerset, CO 81434
(970} 929-5834 FAX: [phone]
In Sections 1 - 12 and 17, T13S, R90W,~ Sections 1 - 3 and II - I3, TI3S,
R91W,• Section 31, T12S, R90W,• and Sections 34 - 36, T12S, R9l W,~ at
3737 Highway 133, west of Somerset, CO.
Table /I-1 shows all authorized discharge points.
Outfall.: Wastewater:Source ; A Flow,
M~D Daily Mar::
Flow MGD 10-yr/24-hr :
Event Voi ; .: Design
;C a Receiving Water
007 Su ace Runo 0 1.45 0.035 MG 0.035 MG Hubbard Creek
010 Su ace Runo 0 1.36 0.047 MG 0.047 MG Sanborn Creek
011 Mine Water 2.88 2.88 NA 2.88 MGD Sanborn Creek
012 Su ace Runo 0 12.7 0.512 MG 0.512 MG Elk Creek
013 Surface Runoff 0 0.41 0.023 MG 0.023 MG No. Fk Gunnison R
OI4 Surface Runoff 0 5.30 0.095 MG 0.095 MG No. Fk. Gunnison R.
015 Mine Water unknown* unknown* NA unknown* Elk Creek
* These flow values have not yet been determined
Issued Effective Expired O/H t /O 7