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) 000048275 002-A PERMIT NUMUEff— 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 1 certify under penalty 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 property gather and 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 mformalion, the information submitted 1s to the best of my knowledge and belief, true, accurate, and complete I am aware that there are significant penalties for submitting false mformafion, including the passibility of fine and imprisonment for knowing vmlatmns QUANTITY OR LOADING QUALITY OR CONCENTRATION NO. FREQUENCY SAMPLE PARAMETER SIGNATURE OF PR IPAL EXECUTIVE OFFICER OR HORIZED AGENTTYPED EX OF ANALYSIS TYPE VALUE VALUE UNITS VALUE VALUE VALUE UNITS pHSAMPLE MEASUREMENT ...... ...... .**",. ,...". ` S 0 5A 0 �s 0040010 PERMIT ****** ****** ****** 6.5 ****** 9 SU Monthly INSITU Effluent Gross REQUIREMENT MINIMUM MAXIMUM Solids, total suspended SAMPLE MEASUREMENT 0053010 PERMIT **'**' ****** ****'* "'*'* 35 70 mg/L Monthly GRAB Effluent Gross REQUIREMENT 30DA AVG MX 7D AV Solids, settleable SAMPLE MEASUREMENT "*"* ****** *""* "*'*' j �O,LI 4- ( 1 r�J o G'r 005451 0 PERMIT ***`** ****** •****• `***** Req. Mon. 5 mL/L Monthly GRAB Effluent Gross REQUIREMENT 30DA AVG DAILY MX Iron, total recoverable SAMPLE MEASUREMENT r ! 5 U L / —J� C) �1 009801 0 PERMIT ****** ****** *•**** '•"•' 1000 Req Mon ug/L Monthly GRAB Effluent Gross REQUIREMENT 30DA AVG DAILY MX Copper, potentially dissolved SAMPLE MEASUREMENT 013061 0 PERMIT ****'* ****** •*"*• ****** Req. Mon. Req Mon ug/L Monthly GRAB Effluent Gross REQUIREMENT 30DA AVG MX 7D AV Selenium, potentially dissolvd SAMPLE MEASUREMENT '•"'** "***** """' *""**" r J 013231 0 PERMIT ***'** *****' ***'** ****** 4.6 Req. Mon. ug/L Monthly GRAB Effluent Gross REQUIREMENT 30DA AVG DAILY MX Ort and grease SAMPLE MEASUREMENT �� 0358210 PERMIT ****** •***** •*•"• ****** ****** 10 mg/L Contingent GRAB Effluent Gross REQUIREMENT INST MAX NAME/TITLE PRINCIPAL EXECUTIVE OFFICER 1 certify under penalty 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 property gather and 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 mformalion, the information submitted 1s to the best of my knowledge and belief, true, accurate, and complete I am aware that there are significant penalties for submitting false mformafion, including the passibility of fine and imprisonment for knowing vmlatmns ' t TELEPHONE DATE p Is 11 7(� �c! 6 4�1-7Q 41/Y� SIGNATURE OF PR IPAL EXECUTIVE OFFICER OR HORIZED AGENTTYPED OR PRINTED AREA Code NUMBER M fo COMMENTS AND EXPLANATION OF ANY VIOLATIONS (Reference all attachments here) Settleable solids limits waived for >10YR,24HR precip 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