2015-05-01_HYDROLOGY - C1982056 (10)

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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 004 -A PERMIT NUMBER DISCHARGE NUMBER MONITORING PERIOD MM /DD/YYYY SAMPLE MM /DD/YYYY 03/01 1201,5' EX 03131/201 Form Approved OMB No. 2040 -0004 DMR Mailing ZIP CODE: 80467 MAJOR (SUBR JC) ROUTT MINE 1, POND C TO FOIDEL CREEK External Outfall No Discharge 1�k NAMEITITLE PRINCIPAL EXECUTIVE OFFICER 1 cerbfy under penalty of law that this document and all attachments were prepared under my direction or QUANTITY OR LOADING QUALITY OR CONCENTRATION NO. FREQUENCY SAMPLE PARAMETER EX OF ANALYSIS TYPE VALUE VALUE UNITS VALUE VALUE VALUE UNITS pH SAMPLE I NUMBER MM DDrirm COMMENTS AND EXPLANATION OF ANY VIOLATIONS (Reference all attachments here) ALTERNATE LIMITS FOR TSS (MLOC =O) APPLY IF 10YR,24HR PRECIP EVENT CLAIMES. ALTERNATE LIMITS FOR IRON &SETTLEABLE SOLIDS (MLOC =O) APPLY ONLY IF <= 10YR,24HR PRECIP. EVENT CLAIMED. OIL & GREASE -SEE I.C.19,PAGE 16. MEASUREMENT EPA Form 3320 -1 (Rev.01 /06) Previous editions may be used. 08/26/2013 Page 1 004001 0 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. Req. Mon. mg /L Weekly GRAB See Comments REQUIREMENT 30DA AVG DAILY MX Solids, settleable SAMPLE " * * * "" '• "•" • " *•• ' " * *'* MEASUREMENT 005451 0 PERMIT ** * * ** * * *' ** "**'*" * * * *" Req. Mon. .5 mUL Weekly GRAB Effluent Gross REQUIREMENT 30DA AVG DAILY MX Solids, settleable SAMPLE " " " *" ' *' *'" •' * "• " " * " "* MEASUREMENT 0054500 PERMIT * *** *' " * * * ** * * * * ** * " * * ** Req. Mon. Req. Mon. mUL 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 Fe] SAMPLE * * *••' "' *• ** * " " " "" '• "•* MEASUREMENT 0104500 PERMIT * * *•** * * * *'* * * * *`* * * * " "* Req. Mon. Req. Mon. ug /L Weekly GRAB See Comments REQUIREMENT 30DA AVG DAILY MX NAMEITITLE PRINCIPAL EXECUTIVE OFFICER 1 cerbfy under penalty of law that this document and all attachments were prepared under my direction or / TELEPHONE DATE supervision in accordance with a system designed to assure that qualified personnel properly gather and aluate the information submitted. Based on my inquiry of the person or persons who manage the system, or those persons directly responsible for gathering the information, the mformaton submitted K to the best of my know [edge and belief, true, accurate, and complete. I am aware that there are r ie �j �y 27&V X)1 i VV ft l d signdicantpenalties for submitting faise information, including the possidktyof fine and impnsonmentfor omng violations. SIGNATURE OF PRINCIPAL EXECUTIVE OFFICER OR AUTHORIZED AGENT 7^' O/d TYPED OR PRINTED --c-e I NUMBER MM DDrirm COMMENTS AND EXPLANATION OF ANY VIOLATIONS (Reference all attachments here) ALTERNATE LIMITS FOR TSS (MLOC =O) APPLY IF 10YR,24HR PRECIP EVENT CLAIMES. 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