2011-06-01_HYDROLOGY - C1982056 (2)

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NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES) DISCHARGE MONITORING REPORT (DMR) PERM ITTEE NAME/ADDRESS (Include Facility Name/Location if Different) NAME: Twentymile Coal Company ADDRESS: 29515 Routt CR 27 Oak Creek, CO 80467 FACILITY: MINES 18,2 AND ECKMAN PARK MINE LOCATION: 29515 RCR #27 OAK CREEK, CO 80467 000027154 005-A PERMIT NUMBER DISCHARGE NUMBER MONITORING PERIOD MM/DD/YYYY MM/DD/YYYY FROM 04/01/2011 TO 04/30/2011 Form Approved OMB No. 2040-0004 DMR Mailing ZIP CODE: 80467 MAJOR (SUBR JC) ROUTT MINE 1, POND D TO FOIDEL CREEK External Outfall ATTN: JERRY NETTLETON, ENV SUPERVISR No Discharge PARAMETER QUANTITY OR LOADING QUALITY OR CONCENTRATION NO. EX OF ANALY $S SAMPLE TYPE VALUE VALUE UNITS VALUE VALUE VALUE UNITS pH SAMPLE MEASUREMENT «««««« «««««« ...... 7. *«**"' ? S O K (4b 00400 1 0 Effluent Gross PERMIT REQUIREMENT «««««« «««««« «««««« 6.5 MINIMUM «««««« 9 MAXIMUM SU Twice Pet Month . GRAB Solids, total suspended SAMPLE MEASUREMENT *«*"? !(.S 17 0053010 PERMIT 35 70 mg/L Effluent Gross REQUIREMENT 30DA AVG DAILY MX Weekly GRAB Solids, total suspended SAMPLE N ' MEASUREMENT A A 4 NR- 4/#7 AI 00530 O 0 PERMIT """ '**»` ***"" ****** Req. Mon. Req. Mon. mg/L See Comments REQUIREMENT 30DA AVG DAILY MX Weekly GRAB Solids, settleable SAMPLE ««.«.« •'•••* •••»* `••••' ?d ?U Q ? MEASUREMENT • 7 r? 005451 0 PERMIT Req. Mon. .5 mUL Effluent Gross REQUIREMENT 30DA AVG DAILY MX Weekly GRAB Solids, settleable SAMPLE MEASUREMENT ..«.«« •••*«* A,14 `Q A (A ? AM-1 00545 O 0 PERMIT Req. Mon. Req. Mon. mL/L See Comments REQUIREMENT 30DA AVG DAILY MX Weekly GRAB Iron, total recoverable SAMPLE «««««, «««««« «««««« ?S-0 g3© MEASUREMENT 00980 1 0 PERMIT 1000 Req. Mon. ug/L Twice Per Effluent Gross REQUIREMENT 30DA AVG DAILY MX Month GRAB Flow, in conduit or thru treatment plant SAMPLE ? ? Si7{ ` Ah( ? A/Q Sf r (n MEASUREMENT , . ti Q C r ? iy r 500501 0 PERMIT 4.55 Req. Man. Mgal/d ••»`• ••»•' •'•-•• ••»•• WQ Effluent Gross REQUIREMENT 30DA AVG DAILY MX . NAME/TITLE PRINCIPAL EXECUTIVE OFFICER 1 certify under penalty of law that this document and all attachments were prepared under my direction or anpev,a;nn;nacea"ancewithasysemdesignedtoassumthatqualifiedpesonnelpmpeaygather .ma l h i f i TELEPHONE DATE t. [?V L s fi A i t `C r'3'Un GeQ /rr va uate t e n ormat on submitted. Bazed on my inquiry ofthe person or personnage the sys em, or hose person directly responsible for gathenng he info mason, the .=, n submitted is, to the best of my knowledge and belief, true, actuate, and complete. lam aware that there are signifcanr ?? Z'7J V a ? G W F V an penalties for submitting false information, including the possibility of fine and imprisonmrnt for knowing Z-,v TYPED OR PRINTED v,olarions. SIGNATURE OF PRINCIPAL EXECUTIVE OFFICER OR AUTHORIZED AGENT AREA Code NUMBER MM/bD/YYYY t.?mmon 1 a f?rvv cnrv?rara s tvrv yr ran r vw?.r+s tvrvo trceserence au aaacnmencs neret 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. 03/31/2011 Page 1