2015-05-01_HYDROLOGY - C1982056 (11)

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PERMITTEE NAME /ADDRESS (Include Facility NamelLocation 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 I I 005 -A PERMIT NUMBER I DISCHARGE NUMBER MONITORING PERIOD MM /DD/YYYY MM /DD/YYYY 03/01/201 03/31 /201�M' Form Approved OMB No. 2040 -0004 DMR Mailing ZIP CODE: 80467 MAJOR (SUBR JC) ROUTT MINE 1, POND D TO FOIDEL CREEK External Outfall No Discharge EJ NAMEIIITLE PRINCIPAL EXECUTIVE OFFICER I certify underpenalty of law that this document and all attachmentswere prepared under my ifirection a TELEPHONE DATE supervision in accordance with a system designed to assure that qualified personnel property gather and it valuate the information submitted. Based on my inquiry of the person or persons who manage the y 7 / f + 1/ system. of those persons directly responsible for gathering the information, the information submitted is XJ r\ v %t /SC(�/ to the best of my knowledge and belief. true, accurate and complete. I am aware that there are significant penalties for submitting false Information, including the possiblity of fine and imprisonment for SIGNATURE OF PRINCIPAL EXECUTIVE OFFICER OR TYPED OR PRINTED 0Ming`m01.� AUTHORIZED AGENT AREACode 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.01 /06) Previous editions may be used. 08/26/2013 Page 1 QUANTITY OR LOADING QUALITY OR CONCENTRATION NO. FREQUENCY SAMPLE PARAMETER EX OFANALYSIS TYPE VALUE VALUE UNITS VALUE VALUE VALUE UNITS pH SAMPLE MEASUREMENT PERMIT * * * * ** * * * * ** * * * * ** 6.5 * * " " "" 9 SU Twice Per GRAB 004001 0 Effluent Gross REQUIREMENT MINIMUM MAXIMUM Month Solids, total suspended SAMPLE MEASUREMENT t 0053010 PERMIT * **'*` *** * ** "' * ** * * * *" 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 ��) ,' . , V �( //-- W i" PERMIT ***' *` *" "' *** * ** *** "* Req. Mon. .5 mL/L Weekly GRAB 0054510 Effluent Gross REQUIREMENT 30DA AVG DAILY MX Solids, settleable SAMPLE MEASUREMENT �� � /V / � a� /V 4 0054500 PERMIT *'** ** * * " *' * * "'* * * * * *' Req. Mon. Req. Mon. mUL Weekly GRAB See Comments REQUIREMENT 30DA AVG DAILY MX Iron, total recoverable SAMPLE MEASUREMENT 0098010 PERMIT * * * * *' * * * * ** * * * *'* * * * * ** 1000 Req. Mon. ug /L Twice Per GRAB Effluent Gross REQUIREMENT 30DA AVG DAILY MX Month Flow, in conduit or thru treatment plat SAMPLE MEASUREMENT G, 0.22-7 * "' ** * * * * ** *' * * ** * *' * ** 0 F.S 500501 0 PERMIT 4.55 Req. Mon. MGD ` * * * ** * * * ** * "` ** **"" Effluent Gross REQUIREMENT 30DA AVG DAILY MX W l y I r i.S 't NAMEIIITLE PRINCIPAL EXECUTIVE OFFICER I certify underpenalty of law that this document and all attachmentswere prepared under my ifirection a TELEPHONE DATE supervision in accordance with a system designed to assure that qualified personnel property gather and it valuate the information submitted. Based on my inquiry of the person or persons who manage the y 7 / f + 1/ system. of those persons directly responsible for gathering the information, the information submitted is XJ r\ v %t /SC(�/ to the best of my knowledge and belief. true, accurate and complete. I am aware that there are significant penalties for submitting false Information, including the possiblity of fine and imprisonment for SIGNATURE OF PRINCIPAL EXECUTIVE OFFICER OR TYPED OR PRINTED 0Ming`m01.� AUTHORIZED AGENT AREACode 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.01 /06) Previous editions may be used. 08/26/2013 Page 1