2015-05-01_HYDROLOGY - C1982056 (10)

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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 003 -A PERMIT NUMBER I DIS HAR E NUMBER MONITORING PERIOD MM /DD/YYYY MM /DD/YYYY 03/01/201_,q- 03/31/201-4;-- Form Approved OMB No. 2040 -0004 DMR Mailing ZIP CODE: 80467 MAJOR (SUBR JC) ROUTT MINE 1, POND B TO FOIDEL CREEK External Outfall No Discharge El NAMEITITLE PRINCIPAL EXECUTIVE OFFICER I "a"'Ify under penalty of law that thisdocument and all attachments were prepared under my directioni at TELEPHONE DATE sup —ion In accordance with a system designed to assure that qualified personnel property gather and /7 aluate the informahion submitted. Based on my inquiry of the person or persons who manage the y� r system, or those persons directly responsible for gathering the Information, the information submitted is V4 r, y a U• to the best of my knowledge and belief, true, accurate. and complete. I am aware that there are n "7' �^`'[ �¢ significant penalties for submitting false information. Including the possibility of fine and impnsonment for SIGNATURE OF PRINCIPAL EXECUTIVE OFFICER OR q� 0 z 4 /d knowing violations. AUTHORIZED AGENT TYPED OR PRINTED AREA Code NUMBER MMIDD/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.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 ...... . * :..: ... *.. l5�' .." .. e)r- o 0040010 PERMIT * *** ** " * * " ** * * * " ** 6.5 ""`* 9 SU Weekly GRAB Effluent Gross REQUIREMENT MINIMUM MAXIMUM Solids, total suspended SAMPLE MEASUREMENT * «' * *' *' *'•" " * * * ** * * *` ** G /47 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 MA / /y A- / /`r�' /V /� �' L W4 0054500 PERMIT *** * *` * * **** * * " * ** ** * ** Req. Mon. Req. Mon. mUL Weekly GRAB See Comments REQUIREMENT 30DA AVG DAILY MX Iron, total [as Fe] SAMPLE MEASUREMENT �7� _� 74o ,l (/ t Tit 0104510 PERMIT * * * * *' * * *` *" « * " * ** " ** 3500 7000 ug /L Weekly GRAB Effluent Gross REQUIREMENT 30DA AVG DAILY MX Iron, total [as Fe] SAMPLE MEASUREMENT * * * * ** " * * * ** « * * " ** * * * * *` /( ti'4 0104500 PERMIT * *** ** * * **`* * * *` ** * * * * ** Req. Mon. Req. Mon. ug /L Weekly GRAB See Comments REQUIREMENT 30DA AVG DAILY MX NAMEITITLE PRINCIPAL EXECUTIVE OFFICER I "a"'Ify under penalty of law that thisdocument and all attachments were prepared under my directioni at TELEPHONE DATE sup —ion In accordance with a system designed to assure that qualified personnel property gather and /7 aluate the informahion submitted. Based on my inquiry of the person or persons who manage the y� r system, or those persons directly responsible for gathering the Information, the information submitted is V4 r, y a U• to the best of my knowledge and belief, true, accurate. and complete. I am aware that there are n "7' �^`'[ �¢ significant penalties for submitting false information. Including the possibility of fine and impnsonment for SIGNATURE OF PRINCIPAL EXECUTIVE OFFICER OR q� 0 z 4 /d knowing violations. AUTHORIZED AGENT TYPED OR PRINTED AREA Code NUMBER MMIDD/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.01106) Previous editions may be used. 08/26/2013 Page 1