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CERTIFICATION RENEWAL
<br />AUTHOR12AT10N TO DISCHARGE UNDER THE
<br />• CDPS IND USTRIAL GENERAL PERMIT
<br />FOR COAL MINING FACILITIES (SIC No: 721 ])
<br />Category 07, Sub-category S, General Permits, Current fee $SSQ/year per CRS 25-8-501
<br />This perntit specifically authorises: Hayden Gulch Terrniual, Ina do MWH
<br />Brian Dunjee -Authorized Agent
<br />P.O. Box 7740/8
<br />J475 Pine Grove Road
<br />Stemnboat Springs, CO 80477
<br />(314) 342-3400
<br />with the facility contact of.' John Weinman, Project Hydrologist
<br />(970) 879-6760 Fax (970J 879-9048
<br />Permit Na. COG-850000
<br />Facility No. COG-850008
<br />CDMG No. C-9Z-081
<br />Page /
<br />to dischargejrom thejacility identified as the Hayden Crrlcb Loadout, located in the E%. Section 10; W%s, Section 14; E%,,E%:. Section 1 S; NE'/., Section 12;
<br />and the N%x, N%s, Section 23; all in TON, R88W,~ two miles south ojHayden, Routt Counryt as shown in Figure / ojthe permitjrom discharge points 00l and
<br />001 asyshown i n Figure 2 of the permit and further described ut tha table } ._ j s _ _.
<br />. e, .yiQ~q_.IT.r~'~,r...lurve/Post.M~nFng..,,,;,,;..,yP,estgn~CapaccN ~ -~_',.,_,10-1'~Z Il~yents ..~, .r.P.~.,~`..r_,... RecetwngWnier -~.
<br />- ...,t, .....-....
<br />00/ Active 0.5/ MG 0.36 MG Dry Creek
<br />002 Active 0.60 MG 0.13 MG Dry Creek
<br />The discharges ga to Dry Creek, which is within Segment 12, Yampa River Sub-basin, Upper Colorado River Basin, found in the Classifications and Numeric
<br />Smndards for the Uaaer Co/orado River Basin (S CCR /001-33J; last update effective June 30,1001. Segment /Z is designated Use Protected and is classified
<br />for the following uses.• Recreation, Class 1, Aquatic Life, Class 2 (Cold); Agriculture. The Division reviewed this facility on June / /, 2002, and determined
<br />that the antidegradation presumption was overcome because discharge does trot occur during low flow periods and the receiving water is use protected.
<br />The activity involves discharge of surfare runofjon/yfi'om an active area, although the ]oadout is not currently in use. No othersources ofwasrewater will be
<br />discharged.
<br />~Ol and 001 are the discharges ojfinal treated water 6~ore entering Dry Creek. Effluent limitations are specified below and in Pan I.B.I.a) and cJ.
<br />Flow, MGD Report Report Weekly Instantaneous or Continuous Design Capacity
<br />Total Suspended Solids, mg/1 35 70' Morrtbly Grab Federal BAT
<br />Total Iron, mg/1 3.5 7.0' Monthly Grab federal BAT
<br />Total Manganese, mgA 3.5 7.0' Monthly Grab Federal BAT
<br />Settleable Solids, mUl Report 0.5" Monthly Grab Federal BAT
<br />pH, s.u. Report 6.5-9.0 Weekly Jn-situ Water Quality Standords
<br />Oil and Grease, mg/! Report 10 Weekly Visual State Effluent Regulations
<br />Salinity, mg/1 Report Report Quarterly Grab Salinity Standard (Reg. No. 39J
<br />"?he disclmrge may be e/igibleJor nn exemption from this limitation if it is demonstrated tlent the discharge occurred ns n resrdr of precipimtion less than or equal to the nssocimed
<br />/0 year, 24 how event See permit Part LB.l.dJ. "•The discharge maybe e/igiblefor nn exemption from this limitation if it is demoutrmed that the discharge occurred ns n
<br />result of precipitation greener than the nssocimed 10 year, Z4 hour event. See permit, Pnrt dB.l.dJ.
<br />The permitree is encouraged to read the general rationale for an understanding ojlrow this permit was developed and to read the permit to see what
<br />requirements exist. Within the body ojthe permit itself, monioring requirements are specified in Parr J.8.3.aj, the Srormwarer Management Plan requirements
<br />are specified in Part J.B.Z. and notification requirements for effluent violations are addressed in Part II.A.
<br />Salinity (TDS) mm~itoring ojrhe discharge will be required, as shown in the table above. Phosphorus monitoring ojthe discharge will not be required.
<br />Based upon previous discharge monitoring dam, the permittee has generally nminmined compliance with their permit.
<br />ti motion: Based on the above injonnation, Hayden Gulch Terminal, Inc. is certified to discharge from the Hayden Cndch Loadout under the genera.
<br />permit for coal mining, identified as permit mmrber COG-850000. Alf correspondence relative to th is facility should reference the specific tacit ity number
<br />COG-850008.
<br />Christopher L. Gate.
<br />June ll. 100:
<br />1, 1001 Expires June 3Q 2007
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