2015-01-30_HYDROLOGY - C1982056 (5)

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PERMITTEE NAME /ADDRESS (Include Facility Name/Location if Different) NAME: Twentymile Coal LLC ADDRESS: 29515 Routt CR 27 Oak Creek, CO 80467 FACILITY: MINES 1 &2 AND ECKMAN PARK MINE LOCATION: 29515 RCR #27 OAK CREEK, CO 80467 ATTN: Patrick Sollars, GM NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES) DISCHARGE MONITORING REPORT (DMR) C00027154 006 -A PERMIT NUMBER DISCHARGE NUMBER MONITORING PERIOD MM /DD/YYYY MM /DD /YYYY 12/01/201 12/31/2011 Form Approved OMB No. 2040 -0004 DMR Mailing ZIP CODE: 80467 MAJOR (SUBR JC) ROUTT MINE 1, POND E TO FOIDEL CREEK External Outfall No Discharge ZI NAMEITITLE PRINCIPAL EXECUTIVE OFFICER I certify under penalty of law that this document and all attachments were prepared under n y 6—t— or QUANTITY OR LOADING QUALITY OR CONCENTRATION NO. FREQUENCY SAMPLE PARAMETER .1 i%( EX OF ANALYSIS TYPE VALUE VALUE UNITS VALUE VALUE VALUE UNITS pH SAMPLE MEASUREMENT 0040010 PERMIT * * * * ** * * * * ** * * * * ** 6.5 * * * * ** 9 SU Weekly GRAB Effluent Gross REQUIREMENT MINIMUM MAXIMUM Solids, total suspended SAMPLE MEASUREMENT 0053010 PERMIT * * * * ** * * * * ** * * * * ** * * * * ** 35 70 mg /L Weekly GRAB Effluent Gross REQUIREMENT 30DA AVG DAILY MX Solids, total suspended SAMPLE MEASUREMENT 0053000 PERMIT * * * * ** * * * * ** * * * * ** * * * * ** Req. Mon. Reg. Mon. mg /L Weekly GRAB See Comments REQUIREMENT 30DA AVG DAILY MX Solids, settleable SAMPLE MEASUREMENT 005451 0 PERMIT * * * * ** * * * * ** * * * * ** * * * * ** Reg. Mon. .5 mUL Weekly GRAB Effluent Gross REQUIREMENT 30DA AVG DAILY MX Solids, settleable SAMPLE MEASUREMENT 0054500 PERMIT * * * * ** * * * * ** * * * * ** * * * * ** Req. Mon. Req. Mon. mL/L Weekly GRAB See Comments REQUIREMENT 30DA AVG DAILY MX Iron, total [as Fe] SAMPLE MEASUREMENT 0104510 PERMIT * * * ** * * * * ** * * * * ** * * * * ** 3500 7000 ug /L Weekly GRAB Effluent Gross REQUIREMENT 30DA AVG DAILY MX Iron, total [as Fej SAMPLE MEASUREMENT 0104500 PERMIT * * * * *' * * * * ** * * * * ** * * * * ** Reg. Mon. Reg. Mon. ug /L Weekly GRAB See Comments REQUIREMENT 30DA AVG DAILY MX NAMEITITLE PRINCIPAL EXECUTIVE OFFICER I certify under penalty of law that this document and all attachments were prepared under n y 6—t— or /- - - - - -- - TELEPHONE DATE supervision in accordance with a system designed to assure that ualified personnel properly gather and valuate the information 6 It d. Based on my' inquiry of the person or persons who manage the system . or those persons directly responsible for gathering theinformation, the information submitted is . to the best of my knowledge and belief , true. accurate . and complete. I am aware that there are a JJl N ._....�.a.__,,..._..FF .1 i%( C r �� 7G C. 7 S L i � ✓� (ii 1 significant penattiesforsubm'tfingfalse ' nform fon. Includingthepossibilityoffineand mprsonmentfor nowing violation =.. SIGNATURE OF PRINCIPAL EXECUTIVE OFFICER OR AUTHORIZED AGENT �� t` I Z , /� TYPED OR PRINTED AREA Code NUMBER M /DD/ COMMENTS AND EXPLANATION OF ANY VIOLATIONS (Reference all attachments here) ALTERNATE LIMITS FOR TSS (MLOC =O) APPLY IF 10YR /24HR PRECIP EVENT CLAIMED. ALTERNATE LIMITS FOR IRON &SETTLEABLE SOLIDS (MLOC =O) APPLY ONLY IF <= 10YR,24HR PRECIP. EVENT CLAIMED. OIL & GREASE - SEE I.C.19,PAGE 16. EPA Form 3320 -1 (Rev.0IJ06) Previous editions may be used. 08/26/2013 Page 1