2008-09-15_PERMIT FILE - C1992081

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Permit No. COG-850000 Facility No. COG-850008 Page 1 a • Colorado Discharge Permit System Regulations CERTIFICATION under GENERAL PERdIIT FOR COAL /YIIIVI/VG FACILITIES (SIC NO: 1222) Category 07, Satb-category S, General Permits, Catrrent fee $780/year (CRS 25-8-502) This certification specifically authorizes Hayden Gulch Terminal Inc., to discharge from the Hayden Gulch Loadout, as described below and in accordance with the General Permit for Coal Mining Facilities (Surface Runoff). All correspondence relative to this facility should reference the specific facility number, COG-850008. Permittee Facility Contact Hayden Gulch Terminal Inc. John Weinman P.0. Box 772996 970-871-6125 57 10~' Street, Suite B Steamboat Springs, CO 80477 Project Name, Activity and Location. T'ne Hayden Gulch Loadout is a coai rail ladout facility that is in temporary cessation. Discharge is from surface water runoff. The facility is located in E''/z Section 10, W % Section 12 and E''/z, E % Section 15, NE 'h Section 22 and N % N '/z NW'/4 Secrion 23, T6N, R88W, in Routt County. Outfalls Oiurults Source Trearnter~t LnL~I_or1; 10-1'r, 34-Hr Recciviny Strt'alll Canacih° 001 Surface Runoff Sedimentation 40° 28.05' / 107° 14.15' 0.37 MG Dry Creek • 002 Surface Runoff Sedimentation 40° 28.10' / 107° 14.01' 0.65 MG Dry Creek Effluent Parameters The discharge is to the Dry Creek, within Segment 13d of the Yampa River sub-basin, Upper Colorado River and North Platte River Basin, found in the Classifications and Numeric Standards for the Upper Colorado River and North Platte River Basin (Regulation No. 33; last update effective 3/1/08). Segment 13d is Use Protected, and is classified for the following beneficial uses: Aquatic Life, Class 2 Warm; Recreation Class la; and Agriculture. Permit Limitations and Monitoring Requirements for Coal Preparation Plants and Associated Areas, Outfalls D01 and 002 _ _ . _. _ _ _ _ _ - ,m~. --. _ _ , ~ _ . - _. _ .. _ . _ _ _ _ . Lnnrtat~nns :~/!;l LlU 1'1 Fi,~ ~~i1112~'lP I~ar~mitter ~rl Ikn ~-Day L~rzilb~ Kcttu,,rl~zle i Fi~zy t n~} Ti ~~ _ ... _. _ ___ __. _ _ _li :1~~°-_~..t"f~tr ~ . -----f . __rt,._. _. _ _ . _ ..__ _. _ _ ..___ «__ .. _... - _ _ _ _ .... ..... _._ -_______~~ __- -General Permit Requirements-- ------- Flow,1VIGD Report NA Report Discharge Evaluation Continuous / ~ Instantaneous Recorder / In-situ - pH, s. u. N/A NA 6.5-9.0 Water Quality Standards 2 days /month Grab Oil and Grease, mg/l N/A NA 10 State Effluent Regulations 2 days /month Visual s --_-------------------- --Federal Effluent Limitation Guidelines---=----------- --------- Total Suspended Solids, mg/1 * 35 NA 70 Federal ELG 2 days /month Grab Settleable Solids, ml/1 * Report NA 0. S Federal ELG 2 days /month Grab _____~-_______---~__ _____---Site Specific Limitations ----- ------- -- - Total Dissolved Solids, mg/1 Report NA Report Salinity Regulations Quarterly ~ Grab Total Recoverable Iron, ug/1 * * * 1000 NA NA Water Quality Standards 2 days /month Grab 1 - For a minor facility, as determined by the EPA NPDES Permit Rating Worksheet, al] weekly monitoring requirements shall be changed to 2 days per month. 2 - If power is not available, flow maybe measured on an instantaneous basis. Major facilities shall monitor flow weekly, minor facilities 2 days /month 3 - If a visual sheen is noticed, a grab sample must be taken and analyzed for oil and grease 4 -Quarterly monitoring shall be prescribed if the limitation is based upon discharge to the Colorado River Basin. If the limitation is based upon agricultural protection, the monitoring frequency shall beweekly. - * Alternate Limitations may also apply. See Below. *** This ]imitation will apply and will substitute for the 30-day average total iron limit based upon the ELG, when a total recoverable iron standard is applicable to the stream segrnent. MODIFIED AND EFFECTIVE• JULY 10 2008 EXP]RES: JUNE 30, 2013