2013-10-08_HYDROLOGY - C1981022 (3)

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PERMITTEE NAME/ADDRESS (Include Facility NameAocation if Different) NAME: Oxbow Mining LLC ADDRESS: PO Box 535 Somerset, CO 81434 FACILITY: ELK CREEK MINE LOCATION: 3737 HWY 133 SOMERSET, CO 81434 ATTN Mike Ludlow. Exec VP NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES) DISCHARGE MONITORING REPORT (DMR) COG850064 I 015 -B PERMIT NUMBER I L=GE NUMBER MONITORING PERIOD MWDD/YYYY MWDD/YYYY 07/01/2013 1 09/30/2013 DMR Mailing ZIP CODE: MINOR Discharge to Elk Creek External Outfall Form Approved OMB No 2044 0004 81434 No Discharge M NAMEITITLE PRINCIPAL EXECUTIVE OFFICER "eddy under penalty of law that this document and ail attachments were prepared under my direction or s.rperviswn in accordance %M a system designed to assure that qualified personnel properly gather and valuate the information submitted Based on my inquiry of the person or persons wno manage the system or those persons directly responsible for gathering the information, the information submitted is to the best of my knoviedge and belief true accurate and complete I am aware that there are sgmhcant p—Mes for submitting false information including the possibility of fine and imprisonment for " °"""g — latnins QUANTITY OR LOADING QUALITY OR CONCENTRATION NO. FREQUENCY SAMPLE PARAMETER NUMBER MWDDIfVW EX OF ANALYSIS TYPE VALUE VALUE UNITS VALUE VALUE VALUE UNITS pHSAMPLE MEASUREMENT ....., ...... ...... 7 „.... 5 w Q Z Q Gv4faj 004001 0 PERMIT •" "" '•• ~ ~' "'"" 6.5 " "" 9 SU Twice Per GRAB Effluent Gross REQUIREMENT MINIMUM MAXIMUM Month Solids, total suspended SAMPLE MEASUREMENT "•` "' • " "~ ~ ~ ~` ~' ••' ~ ~' 23 Zy o z 3, 6� 005301 0 PERMIT ~ * ~" '••`•~ "'*•* '•"** 35 70 m /L Twice Per GRAB Effluent Gross REQUIREMENT 30DA AVG DAILY MX Month Solids, settleable SAMPLE MEASUREMENT ' ~ " *' ' ~"' ` *•' ~~ "'**• �� • 5 j O S ` hnL L )'3 d 005451 0 PERMIT '*• ~•' "* ~ ~` " ""' "'*" Req. Mon. .5 mi9L Monthly GRAB Effluent Gross REQUIREMENT 30DA AVG DAILY MX Iron, total recoverable SAMPLE MEASUREMENT ' « « *" " "•.' " "'• **.*.• Z 3Q �j RRt� 00980 1 0 PERMIT • ~'~' •"`•* • "'•` •"•'~ 1000 Req. Mon. ug/L Twice Per GRAB Effluent Gross REQUIREMENT 30DA AVG DAILY MX Month Oil and grease SAMPLE MEASUREMENT •`••" • *• *" • " "` •*•"` ""•* p h� p��, t�fill 0358210 PERMIT ••• "" *' "`•• •• "••' ••• *'• •~'•' 10 mg /L Contingent GRAB Effluent Gross REQUIREMENT INST MAX Flow, in conduit or thru treatment plat SAMPLE MEASUREMENT ` 117 o S r MGM ••••° * *"'• •••`•• •' *••' V � Row, 500501 0 PERMIT Req. Mon. Req. Mon. MGD '•"" ` *"~' • """ •• "'•' Continuous RCORDR Effluent Gross REQUIREMENT 30DA AVG DAILY MX Solids, total dissolved SAMPLE MEASUREMENT •• "" • *'• ~' •' ~ "~ "'•'• *• ~•~ y 7 O I 0 'ho o G 70295 1 0 PERMIT * " " "' "•••' ' *••'• ••'•" "'*•• Req. Mon. rAd/L Quarterly GRAB Effluent Gross REQUIREMENT DAILY MX NAMEITITLE PRINCIPAL EXECUTIVE OFFICER "eddy under penalty of law that this document and ail attachments were prepared under my direction or s.rperviswn in accordance %M a system designed to assure that qualified personnel properly gather and valuate the information submitted Based on my inquiry of the person or persons wno manage the system or those persons directly responsible for gathering the information, the information submitted is to the best of my knoviedge and belief true accurate and complete I am aware that there are sgmhcant p—Mes for submitting false information including the possibility of fine and imprisonment for " °"""g — latnins vr--L / TELEPHONE DATE q VVN s IW71 \A V � �� V �{ TYPED OR P TED a ��O j!, O '^ I ` J 69 zo SI TURE OF PRINCIPAL EXECU E OFFICER OR AUTHORIZED AGENT saes toe. NUMBER MWDDIfVW COMMENTS AND EXPLANATION OF ANY VIOLATIONS (Reference all attachments here) Settleable solids limit waived for 10 -yr, 24 hr precip event subject to burden of proof requirements in Part I.B.6. Any additional data shall be supplied to the division within 48 hours EPA Form 3320 -1 (Rev.01106) Previous editions may be used. 08/26/2013 Page 1