HYDRO21533

• Permit No: C1981022
• IBM Index Class Name: Hydrology
• Doc Date: 5/11/1999
• Doc Name: AMENDED PERMIT COLORADO WASTEWATER DISCHARGE PERMIT SYSTEM PN CO-0000132 OXBOW CARBON AND MINERALS I
• From: CDOH
• To: OXBOW CARBON AND MINERALS INC
• Permit Index Doc Type: NPDES
• Media Type: D
• Archive: No

I
COLORADO DISCHARGE PERMIT SYSTEM (CDPS)
RATIONALE-AMENDMENT NO. 3
MINOR MODIFICATION
OXBOW CARBON AND MINERALS, INC.
SANBORN CREEK COAL MINE
CDPS PERMIT NUMBER CO-0000132, GUNNISON COUNTY
L TYPE OF PERM/T Minor modification
ll. FACILITY INFORMATION
A. Facility Type: Coal Mining -Mine Water, Prep Plant, Category 02, Subcategory 2
and Fee Category: Industrial Srormwater-greater than 10 acres, Category 24, Subcategory 2
Annual Fee: $647 + 317 = $964 TOTAL (effective July I, 1998)
Amendment Fee: Category 25, Subcategory 1--An amount equal to 25% of the anttita[ fee,
(One-Time) not to exceed $1300. For this amendment = $162 (effective 7/1/98)
(Based on process water fee, which is only part of permit being amended)
B. SIC Code: 1222 (Coal Underground)
C. Legal Contact: Walter L. Wright
Mine Manager
Oxbow Carbon and Minerals, Inc.
P.O. Box 535
Somerset, CO 81434
[phone] FAX: [phone]
D. Facility Contact:
E. Facility Location:
F Discharge Points:
Table II-1 -Discharge Points
Kathleen G. Welt
Environmental Supervisor
Oxbow Carbon and Minerals, Inc.
P.O. Box 535
Somerset, CO 81434
[phone] FAX: [phone]
In Sections 1 - 12 and 17, T13S, R90W; Sections 1 - 3 and II - 13,
T13S, R91W,• Section 31, T12S. R90W,~ and Sections 34 - 36, T12S,
R91 W,• at 3737 Highway 133, west of Somerset, CO.
Table !/-/ shows all discharge points.
Outfall Wastewater Source Avg Flow,
M(;D Daily Max
Flow, MGD 70-yr/24-hr
Event Vo[ Design
Capacity Receiving Water
007 Su ace Runo 0 /.45 0.035 MG 0.035 MG Hubbard Creek
010 Su ace Runo 0 1.36 0.047 MG 0.047 MC Sanborn Creek
Ol] Mine Water 0.278 0.38 NA 0.078
MGD Sanborn Creek*
No Fk Gunnison R**
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
014 Set ace Runo 0 5, 30 0.095 MC 0.095 MG No. Fk. Gunnison R.
* permanent receiving water ** temporary receiving wager authorized by this amendment.
Issued and Effective APRIL 30. 1 999 Expires IO/31/01