2018-10-22_REVISION - M2008078 ‎(9)‎

• Permit No: M2008078
• IBM Index Class Name: Revision
• Doc Date: 10/22/2018
• Doc Name Note: Part 3 of 6
• Doc Name: Request For Amendment To Permit
• From: Prowers Aggregate Operators, LLC
• To: DRMS
• Type & Sequence: AM1
• Email Name: AME
• Email Name: MAC
• Media Type: D
• Archive: No

PART I
Page 2 of 67
Permit No.:COG500000
TABLE OF CONTENTS
PARTI................................................................................................................................................................................................5
A. COVERAGE UNDER THIS PERMIT - Process water and stormwater.................................................................................5
1. Activities Covered.................................................................................................................................................................5
2. Limitations on Coverage.......................................................................................................................................................6
3. Chemical addition.................................................................................................................................................................7
4. Obtaining and maintaining Authorization under this permit...............................................................................................7
5. Transfer of permit coverage.................................................................................................................................................8
6. Modifying an existing permit................................................................................................................................................8
7. Permit Termination Procedures...........................................................................................................................................9
B. PERMIT COMPLIANCE - Process water and stormwater...............................................................................................10
1. Facilities Operation and Maintenance...............................................................................................................................10
C. EFFLUENT LIMITATIONS and MONITORING REQUIREMENTS.............................................................................................10
1. Process Water Discharge Effluent Limitations...................................................................................................................10
2. Stormwater Discharge Effluent Limitations .......................................................................................................................19
D. WHOLE EFFLUENT TOXICITY(WET)TESTING REQUIREMENTS - Process water and stormwater...................................21
1. WET Test Requirements.....................................................................................................................................................22
2. Toxicity Reopener...............................................................................................................................................................22
E. GENERAL MONITORING AND SAMPLING REQUIREMENTS - Process water and Stormwater........................................22
1. Monitoring Periods and Monitored outfalls.......................................................................................................................22
2. Representative sampling and Monitoring points...............................................................................................................22
3. Adverse Weather Conditions..............................................................................................................................................23
4. Analytical requirements.....................................................................................................................................................23
5. Flow Measuring Device-Process water discharges..........................................................................................................24
6. Extra monitoring.................................................................................................................................................................25
F. REPORTING AND RECORDKEEPING - Process water and stormwater...........................................................................25
1. Routine Reporting of data-DMRs.....................................................................................................................................25
2. Additional Reporting..........................................................................................................................................................25
3. Records...............................................................................................................................................................................25
4. Signatory and certification requirements...........................................................................................................................26
G. CONTROL MEASURES - Stormwater only.....................................................................................................................26
1. Installation and implementation specifications.................................................................................................................26
2. Maintenance of Control Measures and Associated Documentation.................................................................................27
H. GENERAL MONITORING REQUIREMENTS - Stormwater only.......................................................................................27
1. Substantially identical outfalls............................................................................................................................................27
2. Measurable storm events and Delayed release of stormwater.........................................................................................27
3. Storm event information....................................................................................................................................................27
4. Sample Type and Requirements.........................................................................................................................................28
5. Climates with Irregular Stormwater Runoff.......................................................................................................................28
6. Monitoring for allowable non-stormwater discharges......................................................................................................28
7. Monitoring Exceptions for Inactive and Unstaffed Sites....................................................................................................28
8. Monitoring Exceptions for Completed and Finally Stabilized Areas...................................................................................29
9. Revocation of Monitoring Exception..................................................................................................................................29
I. SPECIFIC MONITORING REQUIREMENTS - Stormwater only.........................................................................................29
1. Visual Monitoring...............................................................................................................................................................29
2. Benchmark Monitoring.......................................................................................................................................................30
3. Water Quality Standards Monitoring.................................................................................................................................31
4. Additional Monitoring Required by the Division................................................................................................................31
J. FACILITY INSPECTIONS - Stormwater only....................................................................................................................32
1. Inspection frequency and personnel..................................................................................................................................32
2. Inspection scope.................................................................................................................................................................32
3. Inspection documentation.................................................................................................................................................32
4. Inspection frequency exceptions for Inactive and Unstaffed Sites....................................................................................33
5. Runoff event inspection exception at Completed and Finally Stabilized Areas.................................................................33
6. Non-compliance discovered during inspection..................................................................................................................34
K. CORRECTIVE ACTIONS - Stormwater only....................................................................................................................34
1. Conditions that must be eliminated...................................................................................................................................34