2015-01-21_HYDROLOGY - C1996084 (2)

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PERMITTEE NAME/ADDRESS (Include Facility Name/Location if Different) NAME: New Elk Coal Company LLC ADDRESS: 12250 Highway 12 Weston CO 81091 FACILITY: Lorencito Canyon Mine LOCATION: 12250 Highway 12 Weston, Co. 81091 ATTN: LOUIS HEAD, SECRETARY NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES) DISCHARGE MONITORING REPORT (DMR) COG850044 007 -A PERMIT NUMBER DISCHARGE NUMBER MONITORING PERIOD MM /DD/YYYY MM /DD/YYYY 10/01/2014 TO 1 12/31/2014 Form Approved OMB No 2040 -0004 DMR Mailing ZIP CODE: 81082 MINOR LAMAS RUNOFF POND 7 /PURGATOIRE RIVER External Outfall No Discharge a NAME/TITLE PRINCIPAL EXECUTIVE OFFICER cemfy umler pemlttyy of law that tits doctment and all avachtmms were reepared order my duachon or supervnsnonmaccorde cewrth.29em dewgned toassure tint qumtfiad pwsomel prW ly gather and evalmte the mformeuon suMmtted Based w my mquny of Ne person or persons who mange tin systonorthosepcsonsdvectly espombkforgethenogihemforme ogihemformsbonsu4m edn QUANTITY OR LOADING QUALITY OR CONCENTRATION EX EX FREQUENCY OF ANALYSIS SAMPLE TYPE PARAMETER to the best of Imowled and belief, true, accurate, and co lets 1 —.-1 et there ere sr ficem turn, tits for kro VALUE VALUE UNITS VALUE VALUE VALUE UNITS AUTHORIZED AGENT ARFA Code NUMBER MM/DD/YYYY COMMENTS AND EXPLANATION OF ANY VIOLATIONS (Reference all attachments here) pH SAMPLE .., WAIVED FRO >10YR 24HR PRECIP EVENT –SEE ALT LIMITS /BURDEN OF PROFF REQMNTS -IA.1 PG.3 MEASUREMENT 004001 0 PERMIT * »*» MINIMUM * * * *k MAXIMUM SU Twice Per Month INSITU Effluent Gross REQUIREMENT Solids total suspended SAMPLE MEASUREMENT 005301 0 PERMIT 35 3oDA AVG 70 Mx 7D AV mg/L Twice Per Month GRAB Effluent Gross REQUIREMENT Solids settleable SAMPLE MEASUREMENT 005451 0 PERMIT « * * "" Req. Mon 30DA AVG 5 DAILY MX mUL Twice Per Month GRAB Effluent Gross REQUIREMENT SAMPLE MEASUREMENT Selenium, potentially dissolvd 013231 0 PERMIT vw Req. Mon. 30DA AVG Req. Mon. DAILY Mx ug /L Twice Per GRAB Effluent Gross REQUIREMENT �A SAMPLE CV MEASUREME Month Oil and grease 0358210 Effluent Gross O` PERMIT REQUIREMEN V40 SAMPLE MEASUREMENT 10 INST MAX mg /L Contingent GRAB Flow in conduit or thru treatment plant 500601 0 PERMIT Req. Mon. 30DA AVG Req. Mon. DAILY MX Mgal /d Weekly INSTAN Effluent Gross REQUIREMENT Oil and grease visual SAMPLE MEASUREMENT 840661 0 PERMIT " " Req. Mon. Y =1;N =0 * * * **' " * * * *' "' *" *" "' Twice Per VISUAL Effluent Gross REQUIREMENT INST MAX Month NAME/TITLE PRINCIPAL EXECUTIVE OFFICER cemfy umler pemlttyy of law that tits doctment and all avachtmms were reepared order my duachon or supervnsnonmaccorde cewrth.29em dewgned toassure tint qumtfiad pwsomel prW ly gather and evalmte the mformeuon suMmtted Based w my mquny of Ne person or persons who mange tin systonorthosepcsonsdvectly espombkforgethenogihemforme ogihemformsbonsu4m edn TELEPHONE DATE Louis Head, Secretary 303 300 -8879 01/14/2015 to the best of Imowled and belief, true, accurate, and co lets 1 —.-1 et there ere sr ficem turn, tits for kro �ii� �,f r . aumngfa� —f— raaludmg pa�rm�dyoreaeammWsomteat mg SIGNAT RE O PRINCIPAL EXECUTIVE OFFICER OR TYPED OR PRINTED AUTHORIZED AGENT ARFA Code NUMBER MM/DD/YYYY COMMENTS AND EXPLANATION OF ANY VIOLATIONS (Reference all attachments here) 30 DAY AVERAGE IS HIGHEST MONTHLY AVG. DURING PERIOD REPORTED TSS & TOTAL IRON LIMITS WILL BE WAIVED AND SETTLEABLE SOLIDS LIMITS APPLIED FOR —10YR 24HR PRECIP EVENT-SETT SOLIDS LIMIT WILL BE WAIVED FRO >10YR 24HR PRECIP EVENT –SEE ALT LIMITS /BURDEN OF PROFF REQMNTS -IA.1 PG.3