2015-05-01_HYDROLOGY - C1982056 (11)

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PERMITTEE NAME/ADDRESS (Include Facility Name /LocationifDifferent) 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) 000027154 006 -A PERMIT NUMBER 1 1 DISCHARGE NUMBER MONITORING PERIOD MM /DD/YYYY MM /DD/YYYY 03/01/201-9- 03/31/'20111;- Form Approved OMB No. 2040 -0004 DMR Mailing ZIP CODE: 80467 MAJOR (SUBR JC) ROUTT MINE 1, POND E TO FOIDEL CREEK External Outfall No Discharge = PARAMETER Ic enifyunderpenaltyoflawthatthisdocumentandallattachments — preparedundermydirectionor superwslon in accordance with a system designed to assure that qualified personnel propedy gather and �raluate 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 information submitted is to the best of my knowledge and belief, true, accurate, and complete. I am aware that there are significant penalties for submitting false information. including the possibility of fine and imprisonment for rowing violations. QUANTITY OR LOADING QUALITY OR CONCENTRATION NO. EX FREQUENCY OF ANALYSIS SAMPLE TYPE VALUE VALUE UNITS VALUE VALUE VALUE UNITS pH SAMPLE MEASUREMENT 4RRR4R RR444R RR4R4R �_z— 44RR4 � � 004001 0 PERMIT * * * * ** ' *' * ** " * * *" 6.5 ' * * * ** 9 SU Weekly GRAB Effluent Gross REQUIREMENT MINIMUM MAXIMUM Solids, total suspended SAMPLE MEASUREMENT 14— — � 2�10% 1%7 ( <1 0053010 PERMIT * * «'** * ***'* * " "` **"" 35 70 mg /L Weekly GRAB Effluent Gross REQUIREMENT 30DA AVG DAILY MX Solids, total suspended SAMPLE MEASUREMENT " * " * *" " " « « *" " * * " *" " * *'" 4f¢ /Visor /V d, a N { I WA 0053000 PERMIT "*** ** * ****« ****** '** * *' Req. Mon. Req. Mon. mg /L Weekly GRAB See Comments REQUIREMENT 30DA AVG DAILY MX Solids, settleable SAMPLE MEASUREMENT Cam, �-L' 1 (/ 7 t, n( 005451 0 PERMIT ** "`* #4#f4` *""' ' * "'* Req. Mon. .5 mUL Weekly GRAB Effluent Gross REQUIREMENT 30DA AVG DAILY MX Solids, settleable SAMPLE MEASUREMENT /VA 0054500 See Comments PERMIT REQUIREMENT * * * * *` " * * * "" "' " *" '" "` Req. Mon. 30DA AVG Req. Mon. DAILY MX mUL Weekly GRAB Iron, total [as Fe] SAMPLE MEASUREMENT 0104510 Effluent Gross PERMIT REQUIREMENT * * * * ** ' * * *'" ' * "'« ' " " "` 3500 30DA AVG 7000 DAILY MX ug /L Weekly GRAB Iron, total [as Fe] SAMPLE MEASUREMENT A14 /� ' ,,V� fl � �/I ,4 0104500 See Comments PERMIT REQUIREMENT * " * " «* ' * * * *' *' * * «' '*"" Req. Mon. 30DA VG Req. Mon. DAILY MX ug /L Weekly GRAB NAMEMTLE PRINCIPAL EXECUTIVE OFFICER Ic enifyunderpenaltyoflawthatthisdocumentandallattachments — preparedundermydirectionor superwslon in accordance with a system designed to assure that qualified personnel propedy gather and �raluate 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 information submitted is to the best of my knowledge and belief, true, accurate, and complete. I am aware that there are significant penalties for submitting false information. including the possibility of fine and imprisonment for rowing violations. Y/� %% ' V '(.4. `[j TELEPHONE DATE r �`'` 1 1 I a fI �1 �� ✓SG! SIGNATURE OF PRINCIPAL EXECUTIVE OFFICER OR AUTHORIZED AGENT aaea code I NUMBER MM/DDlYYYY 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 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.01106) Previous editions may be used. 08/26/2013 Page 1