2018-03-08_HYDROLOGY - C1981008

• Permit No: C1981008
• IBM Index Class Name: Hydrology
• Doc Date: 3/8/2018
• Doc Name: CDPS/NPDES Permit
• From: Colorado Department of Public Health and Environment
• To: DRMS
• Email Name: TNL
• Media Type: D
• Archive: No

a
PART
Page 2 of 47
Permit No.: C00000213
TABLE OF CONTENTS
PART1................................................................................................................................................................................................4
A.
PERMITTED FEATURE(S).......................................................................................................................................................4
B.
PERMIT COMPLIANCE..........................................................................................................................................................4
1.
Facilities Operation and Maintenance.................................................................................................................................4
C.
EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS..............................................................................................5
1.
Numeric Effluent Limitations and Site-specific monitoring (Outfalls 012, 013, and 016) ....................................................5
2.
Narrative Water Quality Based Effluent Limitation (Outfalls 007, 008, 009, 011, 012, 016 and 017) ...............................10
3.
Federal Effluent Limitation Guideline -Sediment Control Plan (Outfalls 007, 008, 009, 011, and 017) ............................10
4.
Practice -based Effluent Limitations (Outfalls 007, 008, 009, 011, 012, 016 and 017) .......................................................10
D.
SPECIFIC MONITORING REQUIREMENTS............................................................................................................................11
1.
Chronic WET Testing—Outfall 013......................................................................................................................................11
E.
COMPLIANCE
SCHEDULE(S)................................................................................................................................................14
F.
CONTROL
MEASURES (Outfalls 007, 008, 009, 011, 012, 016 and 017)...............................................................................15
1.
Installation and implementation specifications.................................................................................................................15
2.
Maintenance of Control Measures and Associated Documentation.................................................................................15
G.
INSPECTIONS (Outfalls 007, 008, 009, 011, 012, 016 and 017)...........................................................................................15
1.
Inspection Frequency and Personnel.................................................................................................................................15
2.
Inspection Scope................................................................................................................................................................15
3.
Inspection Documentation.................................................................................................................................................16
4.
Non -Compliance discovered during inspection..................................................................................................................16
H.
CORRECTIVE
ACTIONS (Outfalls 007, 008, 009, 011, 012, 016 and 017)..............................................................................16
1.
Conditions that must be Eliminated...................................................................................................................................16
2.
Condition that Requires Review and Modification.............................................................................................................17
3.
Corrective Action Reports and Deadlines...........................................................................................................................17
4.
Control measure modification............................................................................................................................................17
I.
STORMWATER MANAGEMENT PLAN (SWMP) (Outfalls 007, 008, 009, 011, 012, 016 and 017) .........................................18
1.
General SWMP Requirements............................................................................................................................................18
2.
Specific SWMP Requirements............................................................................................................................................19
J.
GENERAL MONITORING, SAMPLING AND REPORTING REQUIREMENTS.............................................................................21
1.
Representative Sampling....................................................................................................................................................21
2.
Analytical and Sampling Methods for Monitoring and Reporting......................................................................................21
3.
Flow Measuring Device......................................................................................................................................................23
4.
Extra Monitoring................................................................................................................................................................24
5.
Adverse Weather Conditions..............................................................................................................................................24
K.
REPORTING AND RECORDKEEPING....................................................................................................................................24
1.
Routine Reporting of Data- Discharge Monitoring Report .................................................................................................24
2.
Additional Reporting..........................................................................................................................................................25
3.
Records...............................................................................................................................................................................25
4.
Signatory and Certification Requirements.........................................................................................................................25
S.
Additional Stormwater - specific requirements (Outfalls 007, 008, 009, 011, 012, 016 and 017) .....................................26
L.
OTHER TERMS AND CONDITIONS.......................................................................................................................................27
PART11
.............................................................................................................................................................................................28
A.
NOTIFICATION REQUIREMENTS.........................................................................................................................................28
1.
Notification to Parties........................................................................................................................................................28
2.
Change in Discharge...........................................................................................................................................................28
3.
Noncompliance Notification...............................................................................................................................................28
4.
Transfer of Ownership or Control......................................................................................................................................29
5.
Other Notification Requirements.......................................................................................................................................29
6.
Bypass Notification.............................................................................................................................................................30
7.
Bypass.................................................................................................................................................................................30
8.
Upsets.................................................................................................................................................................................31
9.
Submission of Incorrect or Incomplete Information..........................................................................................................31
B.
RESPONSIBILITIES..............................................................................................................................................................31
1.
Reduction, Loss, or Failure of Treatment Facility...............................................................................................................31
2.
Inspections and Right to Entry ............................................................................................................................................32