2015-07-30_HYDROLOGY - C2009087 (2)

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PERMITTEE NAME/ADDRESS (Include Facility Name/location If Different) NAME: Peabody Sage Creek Mining LLC ADDRESS: PO Box 205 Hayden, CO 81639-0250 FACILITY: SAGE CREEK MINE COMPLEX LOCATION: 36600 CR 27 HAYDEN, CO 81639 ATTN: Edwin J. Brady, Mine Mgr NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES) DISCHARGE MONITORING REPORT (DMR) C00048275 003-A PERMIT NUMBER I I DISCHARGE NUMBER MONITORING PERIOD MM/DD/YYYY MM/DD/YYYY 04/01/2015 06/30/2015 Form Approved OMB No 2040-0004 DMR Mailing ZIP CODE: 86001 MAJOR ROUTT Discharge to Grassy Creek External Outfall No Discharge = NAME/TITLE PRINCIPAL EXECUTIVE OFFICER I cerldy under penally of law that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to assure that qualified personnel properly gather and QUANTITY OR LOADING QUALITY OR CONCENTRATION NO. FREQUENCYSAMPLE valuate 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, We, accurate, and complete I am aware that there are significant penalties for submitting false information, including the possibility of fine and imprisonment for knowing °l.b.ns PARAMETER EX OF ANALYSIS TYPE VALUE VALUE UNITS VALUE VALUE VALUE UNITS pH SAMPLE MEASUREMENT ....~. 7-7 Z 3 C 9 v s 0040010 PERMIT ****** *****» •**•** 6.5 ****"" 9 SU Monthly INSITU Effluent Gross REQUIREMENT MINIMUM MAXIMUM Solids, total suspended p SAMPLE MEASUREMENT / ! / 7 % -A 0053010 PERMIT ****** ****** »**•** *~*•*' 35 70 mg/L Monthly GRAB Effluent Gross REQUIREMENT 30DA AVG MX 7D AV Solids, settleable SAMPLE MEASUREMENT "****' **'*** •'•"' "****` 005451 0 PERMIT ****** ****** ****** •***** Req. Mon 5 mL/L Monthly GRAB Effluent Gross REQUIREMENT 30DA AVG DAILY MX Iron, total recoverable SAMPLE MEASUREMENT ****** •~**•~ '•*"** "•*'• ,-( ! , ,1 /,,, )/ 009801 0 PERMIT ****** *****" *****» `•*`•• 1000 Req Mon. ug/L Monthly GRAB Effluent Gross REQUIREMENT 30DA AVG DAILY MX Selenium, potentially dissolvd SAMPLE MEASUREMENT "***** *•**`• •"'"` '*` n // � 013231 0 PERMIT *•***" *****• *""` »**»** 4.6 Req Mon ug/L Monthly GRAB Effluent Gross REQUIREMENT 30DA AVG DAILY MX Oil and grease SAMPLE MEASUREMENT ****" *~•**• "**"** *"••' "*~"** �� ,t A 0358210 PERMIT ****»* *****` *****» `***`• ****** 10 mg/L Continqi GRAB Effluent Gross REQUIREMENT INST MAX Flow, In conduit or thru treatment plant SAMPLE MEASUREMENT D 0116 / Z *"*""* ••**'• ***"*" ""* 500501 0 PERMIT Req. Mon. Req. Mon. MGD •'•••• *""** """ ""`~ Monthly INSTAN Effluent Gross REQUIREMENT 30DA AVG DAILY MX NAME/TITLE PRINCIPAL EXECUTIVE OFFICER I cerldy under penally of law that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to assure that qualified personnel properly gather and \ TELEPHONE DATE valuate 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, We, accurate, and complete I am aware that there are significant penalties for submitting false information, including the possibility of fine and imprisonment for knowing °l.b.ns 1C,�1`�CC��tL� { �70j- tq >, � -7 t1 fs SIGNATURE OFP CIPAL EXECUTIVE THORIZED AGENT TYPED OR PRINTED AREA Code NUMBER M /DD YYY COMMENTS AND EXPLANATION OF ANY VIOLATIONS (Reference all attachments here) Settleable solids limits waived for >10YR,24HR preclp event subject to burden of proof in I.A 2 Quarterly monitoring - see C 10, pg 10 EPA Form 3320-1 (Rev.01/06) Previous editions may be used. 01/07/2015 Page 1