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PERM ITTEE NAME/ADDRESS (Include Facility Name /LocationifDifferent) NAME: Twentymile Coal Company 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 JERRY NETTLETON, ENV SUPERVISR NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES) DISCHARGE MONITORING REPORT (DMR) C00027154 004 -A PERMIT NUMBER DISCHARGE NUMBER MONITORING PERIOD MM /DD/YYYY MM /DD/YYYY FROM 04/01/201_4 TO 04/30/201 Form Approved OMB No 2040 -0004 DMR Mailing ZIP CODE: 80467 MAJOR (SUBR JC) ROUTT MINE 1, POND C TO FOIDEL CREEK External Outfal I No Discharge NAME /TITLE PRINCIPAL EXECUTIVE OFFICER I"r„ nand •rl "nnh,,11 -ffi,m„d,n,un,n,a „d. mar, lu ,.,n,,,er.p,eP.ndnid, ,,duanoaoI „r,1.m��,,,,h.,,�.,en ,fie „pni�,,,� „ur. th.,,yuJ,t,.,l f,.,,�nnil l�,��l,x,I, I,11 rn„1 hi �n,fom„nnn,uFmv,cd G, -�� Iho,e pznnm d,re,.,h _P” ibk for gmhenne ill, ntlnmi nnm a, ndonu.tl„m w du. tx„ of - k.— I,,dee and beh,l m,c .uu,raa .nid -nipl- Ian, ,i„a,e ,h n ,hers an- „pndi�.m, P,,,lo ,l„r „d„n,mnVtal,i,nlonnatan nulu.hnpdmePu,,,hda, „IIw, ,l,dln,pl n um „rtn,,,,, e QUANTITY OR LOADING QUALITY OR CONCENTRATION EX EX FREQUENCY OF ANALYSIS SAMPLE TYPE PARAMETER SIGNATURE OF PRINCIPAL EXECUTIVE OFFICER OR AUTHORIZED AGENT AREA Code NUMBER MM /DD/YYYY TYPED OR PRINTED VALUE VALUE UNITS VALUE VALUE VALUE UNITS pH SAMPLE MEASUREMENT 004001 0 Effluent Gross PERMIT REQUIREMENT ` * * *" * * * * *` '_' "* 65 MINIMUM * * ** * 9 MAXIMUM SU Weekly GRAB Solids, total suspended SAMPLE ______ ...... MEASUREMENT 005301 0 PERMIT * "* * 35 30DA AVG 70 DAILY MX mg /L Weekly GRAB Effluent Gross REQUIREMENT Solids, total suspended SAMPLE ...... MEASUREMENT 0053000 PERMIT ...... Req Mon 30DA AVG Req Mon DAILY MX mg /L Weekly GRAB See Comments REQUIREMENT Solids, settleable SAMPLE MEASUREMENT 00545 1 0 PERMIT " * *'* ` * * " * *` *` ** * *' *" Req Mon 30DA AVG 5 DAILY MX mUL Weekly GRAB Effluent Gross REQUIREMENT Solids, settleable SAMPLE ...... MEASUREMENT 0054500 PERMIT Req Mon 30DA AVG Req Mon DAILY MX mL /L weekly GRAB See Comments REQUIREMENT Iron, total (as Fe) SAMPLE MEASUREMENT 0104510 PERMIT " * * ** 3500 30DA AVG 7000 DAILY MX ug /L Weekly Y GRAB Effluent Gross REQUIREMENT Iron, total (as Fe) SAMPLE MEASUREMENT 0104500 PERMIT Req Mon 30DA AVG Req Mon DAILY MX ug /L Weekly GRAB Eee Comments REQUIREMENT NAME /TITLE PRINCIPAL EXECUTIVE OFFICER I"r„ nand •rl "nnh,,11 -ffi,m„d,n,un,n,a „d. mar, lu ,.,n,,,er.p,eP.ndnid, ,,duanoaoI „r,1.m��,,,,h.,,�.,en ,fie „pni�,,,� „ur. th.,,yuJ,t,.,l f,.,,�nnil l�,��l,x,I, I,11 rn„1 hi �n,fom„nnn,uFmv,cd G, -�� Iho,e pznnm d,re,.,h _P” ibk for gmhenne ill, ntlnmi nnm a, ndonu.tl„m w du. tx„ of - k.— I,,dee and beh,l m,c .uu,raa .nid -nipl- Ian, ,i„a,e ,h n ,hers an- „pndi�.m, P,,,lo ,l„r „d„n,mnVtal,i,nlonnatan nulu.hnpdmePu,,,hda, „IIw, ,l,dln,pl n um „rtn,,,,, e / TELEPHONE DATE 7/ l ! G t % 4 r V�� 7�: V /1 SIGNATURE OF PRINCIPAL EXECUTIVE OFFICER OR AUTHORIZED AGENT AREA Code NUMBER MM /DD/YYYY TYPED OR PRINTED 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.01106) Previous editions may be used. 03131/2011 Page 1