2015-01-30_HYDROLOGY - C1981019 (2)

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DMR Copy of Record Permit Permit N: C00045161 Permittee: Colowyo Coal Co LP Facility: COLOWYO MINE Major: No Permitt ee Address: PO Box 33695 Facility Location: 5731 SOUTH HIGHWAY 13 Denver, CO 80233 -0695 MEEKER, CO 81641 Permitted Feature: 002 Discharge: 002 -A External Outfall WORK AREA POND TO TAYLOR CREEK Report Dates B Status Monitoring Period: From 10101/14 to 12/31/14 I DMR Due Date: 01/28/15 I Status: NetDMR Validated Considerations for Form Completion SETTLEABLE SOLIDS LIMIT APPLIES ONLY IF < =I OYR,24HR PRECIP EVENT IS CLAIMED. IF CLAIM APPROVED BY WQCD,TSS & IRON LIMITS WILL NOT BE APPLIED TO REPORTED MEASUREMENTS - SEE I.A.2, PG. 3 FOR BURDEN OF PROOFREQUIREMENTS. OIL & GREASE - I.B.1.3, PG. 5. BTEX MONITORING READ ONLY IF WASHBAY DSCH TO WRK AREA POND Principal Executive Officer First Name: Barbara Title: SVP, Policy and Compliance, CCO I Telephone: 303 -452 -6111 Last Name: Walz No Data Indicator (NODI) Form NODI: - Parametcr Menkoring Season Para.. Quantity or Loading Qualityor Concentration sof Fmqueneyof Analysis Sample Code Namc Location • NODI Qualifier Value 1 Qualifier Value 2 Units Qualifier Value 1 Oualifiar Value 2 Qualifier Value 3 Unit, Ex. Type 2 2 3 Sample = 823 = 8.29 12 -SU 01107 - Weakly IS - INSITU Permit 65 < 9MAXIMUM 12 -SU 01130 - Monthly 0 15- INSITU OOd0 0pH Gross 1- Effluent 0 - Req. MINIMUM Value NODI Sample = 16 = 16 1g /L 01/30- Monthly GR - GRAB 005305,1 -total suspended 1- E6luent Gross 0 - Peemit <= 35 30DA AVG <= 70 DAILY MX 119- 0 01130. Monthly GR -GRAB q Value NODI Sample < 0.2 < 02 .VL 01 /3D- Monthly GR - GRAB 00545So10,, settleable 1 - Effluent Gross 0 _ Permit Req Mon 30DA AVG Req Man DAILY MX 25- 0 01/30- Monthly OR - GRAB Req. Value NODI Sample = 0.16 = 0.16 19- 01/30- Monthly GR - GRAB OD9801ron, WIM recoverable 1 - Effluent Grass 0 - Po —t <= 1 30DA AVG Req Mon DAILY MX mg -L 0 01/30- Monthly GR -GRAB q Value NODI Sample Permit < 101NST MAX 79 77/77 - Contingent GR -GRAB 03582011 and grease 1 - ERluent Gross 0 - Req. rwL Value 9 - Conditional Monilarlrg - Not Required This NODI Period Sample athylbanzene, tolunne, xylem Permit R Mon AVERAGE <_ .11NST MAX 19- 01IDM -Once Per MmNy VIL Discharge GR -GRAB 30383conzene, combination 1 - Effluent Gross 0 - Req. Value 9•Conttitional Monitoring -Not Required This 9- COnditional Monitoring -Not Required This NODI Period Period Sample = 0.007 0.007 03 -MGD 01107 - Weekly - I INN STAN Permit Req Mon 30DA Raq Mon DAILY 03 0 01/30 - Monihl y IN 50050FIm, In conduit or tau Ireatinent plant 1 - Ef6uenl Gross 0 - Req. AVG -MGD MX INSTAN Value NODI Sample = 244D = 2440 /ng/L 01f30- Monthly GR -GRAB 70295Sdids, total dissoNed 1- Effluent Gross 0 _ Permit Req Mon 30DA AVG Req Mon DAILY MX 0 01/90 - Quarterly GR -GRAB Req. mg19 Value NOD! Sam le = 0 9P 01107- Weekly VI- VISUAL P Y =1:N =0 1- Effluent Gross 0 Permit Req Mon INST 9P- 01 /30- Monthly VI - VISUAL 84066011 and grease visual -- Req. MAX V =1:N =0 Value NOD]