2015-05-01_HYDROLOGY - C1982056 (11)

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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) 000027154 007 -A PERMIT NUMBER DISCHARGE NUMBER MONITORING PERIOD MM /DD/YYYY SAMPLE MM /DD/YYYY 03/01/201,,V- EX 03/31/201_9- Form Approved OMB No. 2040 -0004 DMR Mailing ZIP CODE: 80467 MAJOR (SUBR JC) ROUTT MINE 1, POND F TO FOIDEL CREEK External Outfall No Discharge 0 NAME /TITLE PRINCIPAL EXECUTIVE OFFICER I certify under penalty of law that this document and all attachments were prepared undermydrte chono supervision in accordance with a system designed to assure that qualified personnel properly gather and valuate the mfonnation submitted. Based on my inquiry of the person or persons who manage the system, or those persons directly responsible for gathering the Information, the Information submitted is to the best of my knowledge and belief. true. accurate and complete. I am aware that there are p sonmentfor significant penalties for submitting false information. including the possiW6ty of fine and im knowing violations QUANTITY OR LOADING QUALITY OR CONCENTRATION NO. FREQUENCY SAMPLE PARAMETER AREA Code EX OF ANALYSIS TYPE VALUE VALUE UNITS VALUE VALUE VALUE UNITS pH SAMPLE MEASUREMENT �:` J , 2- Cj 0040010 PERMIT ` * * " ** " * * *'* * * * "` 6.5 * * " "` 9 SU Twice Per GRAB Effluent Gross REQUIREMENT MINIMUM MAXIMUM Month Solids, total suspended SAMPLE MEASUREMENT 0053010 PERMIT * * **** * * **** * "'** ` *' * ** 35 70 mg /L Monthly GRAB Effluent Gross REQUIREMENT 30DA AVG DAILY MX Solids, total suspended SAMPLE MEASUREMENT �� ""V J� 'V 0053000 PERMIT *• " ** * * " ** *' *"` *** *** Req. Mon. Req. Mon. mg /L Monthly GRAB See Comments REQUIREMENT 30DA AVG DAILY MX Iron, total recoverable SAMPLE MEASUREMENT * * * " ** « « « « «« « « « « «« « « « « «« �'� f—T6 ( J 009801 0 PERMIT ** "*' *** *" *` *' ** ' * * * ** 1000 Req. Mon. ug /L Monthly GRAB Effluent Gross REQUIREMENT 30DA AVG DAILY MX Flow, in conduit or thru treatment plat SAMPLE MEASUREMENT /i ll `Moon. t�4$'�� 500501 0 PERMIT 2.97 Req. MGD ` * *` *" "* " " " ** " * «* 6-e1 "Otis R- Effluent Gross REQUIREMENT 30DA AVG DAILY MX i !e- e L l , NAME /TITLE PRINCIPAL EXECUTIVE OFFICER I certify under penalty of law that this document and all attachments were prepared undermydrte chono supervision in accordance with a system designed to assure that qualified personnel properly gather and valuate the mfonnation submitted. Based on my inquiry of the person or persons who manage the system, or those persons directly responsible for gathering the Information, the Information submitted is to the best of my knowledge and belief. true. accurate and complete. I am aware that there are p sonmentfor significant penalties for submitting false information. including the possiW6ty of fine and im knowing violations LATURE TELEPHONE DATE G 0 /'+ OF PRINCIPAL EXECUTIVE OFFICER OR AUTHORIZED AGENT TYPED rlR PRINTS❑ AREA Code NUMBER MM/DD/YYYY COMMENTS AND EXPLANATION OF ANY VIOLATIONS (Reference all attachments here) ALTERNATE LIMITS FOR TSS & IRON (MLOC =O) APPLY IF 10YR,24HR PRECIP. EVENT CLAIMED. ALTERNATE LIMITS FORSETTLEABLE SOLIDS (MLOC =O) APPLY ONLY IF >10YR,24HR PRECIP EVENT CLAIMED. OIL & GREASE - SEE I.C.19,PAGE 16. EPA Form 3320 -1 (Rev.01 /06) Previous editions may be used. 08/26/2013 Page 1