2015-01-30_HYDROLOGY - C1982056 (5)

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PERM ITTEE 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 002 -A PERMIT NUMBER DISCHARGE NUMBER MONITORING PERIOD MM /DD/YYYY I MM /DD/YYYY 12/01/201t 12/31 /201 Form Approved OMB No. 2040 -0004 DMR Mailing ZIP CODE: 80467 MAJOR (SUBR JC) ROUTT MINE 1, POND T TO FOIDEL CREEK External Outfall j_.� No Discharge I X I NAMEITITLE PRINCIPAL EXECUTIVE OFFICER I certify under penalty of law that this document and all attachments were prepared under my direction or / TELEPHONE DATE supervision in acc rd nce with a system designed to sure that qualified personnel properly gather and -- .-- ......_�` —alrate the infornati n submitt d Based on my q - y of th person or persons who manage the n / system or those persons directly responsible for g th r ng the information, the informal on submitted is ✓J (,f �V to the best of my knowledge and belief, true. accurate. and complete I am aware that there are J1 r v V sgri ficant penalties for submthig false information, including the possibility of fine and imprisonment for SIGNATURE OF PRINCIPAL EXECUTIVE OFFICER OR TYPED OR PRINTED �� vowing violations AUTHORIZED AGENT AREA code NUMBER MM /DD /YYYY 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.01106) Previous editions may be used. 08/26/2013 Page 1 QUANTITY OR LOADING QUALITY OR CONCENTRATION NO. FREQUENCY SAMPLE PARAMETER 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 * * * * *t * * * * ** * * * * ** * * * * ** 35 70 mg /L Weekly GRAB Effluent Gross REQUIREMENT 30DA AVG DAILY MX Solids, total suspended SAMPLE MEASUREMENT 0053000 PERMIT * * * * ** * * * * ** * * * * ** * * * * ** Req. Mon. Req. Mon. mg /L Weekly GRAB See Comments REQUIREMENT 30DA AVG DAILY MX Solids, settleable SAMPLE MEASUREMENT 005451 0 PERMIT * * * * ** * * * * ** * * * * ** * * * * ** Req. Mon. .5 mL /L 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 * * * * *n * * * * ** * * * * ** * * * * ** 3500 7000 ug /L Weekly GRAB Effluent Gross REQUIREMENT 30DA AVG DAILY MX Iron, total [as Fe] SAMPLE * * * * ** * * * * ** * * * * ** * * * * ** MEASUREMENT 0104500 PERMIT * * * * *' * * * * ** * * * * ** * * * * ** Req. Mon. Req. 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 my direction or / TELEPHONE DATE supervision in acc rd nce with a system designed to sure that qualified personnel properly gather and -- .-- ......_�` —alrate the infornati n submitt d Based on my q - y of th person or persons who manage the n / system or those persons directly responsible for g th r ng the information, the informal on submitted is ✓J (,f �V to the best of my knowledge and belief, true. accurate. and complete I am aware that there are J1 r v V sgri ficant penalties for submthig false information, including the possibility of fine and imprisonment for SIGNATURE OF PRINCIPAL EXECUTIVE OFFICER OR TYPED OR PRINTED �� vowing violations AUTHORIZED AGENT AREA code NUMBER MM /DD /YYYY 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.01106) Previous editions may be used. 08/26/2013 Page 1