HYDRO27562

• Permit No: C1982056
• IBM Index Class Name: Hydrology
• Doc Date: 3/31/1998
• Doc Name: AUTHORIZATION TO DISCHARGE UNDER COLO DISCHARGE PERMIT SYSTEM
• Permit Index Doc Type: NPDES
• Media Type: D
• Archive: No

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PART I
Page It of 14
Permit No. CO-0027154
C. STORMWATER REQUIREMENTS
2. Stormwater Management Plan - Contents and Repuirements
e) Stormwater Quality Controls (continued).
viii. Testing for Non-Stormvater - The Stormwater Quality Control section of the SG'N~~
shall include certification that the discharges have been tested or evaluate`
for the presence of non-stormwater discharges such as mine drainage.
contaminated springs, sanitary waste, or process water of any kind. Th
certification shall include a description of the results of any test for th
presence of non-stormwater discharges, the method used, the date of any testing.
and the on-site drainage points that were directly observed during the test
If the certification is based solely on interpretation of the regulations,
justification of this interpretation must be included.
f) Comprehensive Inspection. The SWMP shall identify qualified personnel that shall
inspect designated equipment and mine areas at appropriate intervals specified in tha
plan, at least twice a year (in the spring and fall).
g) Recordkeepin¢ and Internal Reportin¢ Procedures. The SWMP shall identify procedures
for recordkeeping and internal reporting.
h) Consistency with Other Plans and Availability. SWMPs may reflect requirements for
Spill Prevention Control and Countermeasure (SPCC) plans under section 311 of the CWA.
or Best Management Practices (BMPs) Programs otherwise required by a CDPS permit, and
may incorporate any part of such plans into the SWMP by reference. The SWMP may rel}•
upon information developed for other similar pollution control programs, including tha
Hined Land Reclamation Plan. Appropriate portions of these other plans may bel
incorporated in the SWMP by reference, as long as a complete SWMP can be reproduced an^'
submitted to the requesting agency within the time frame specified in the request
Those portions of the referenced documents must be included in the submittal. The SWM~I
must also be readily available to an on-site inspector.
i) Allowable Non-Stormwater Discharges. The plan shall identify all sources of irrigatio: '
return flow and natural uncontaminated spring water that are combined with stormwate'=i
discharges associated with industrial activity. The plan shall identify and ensure th ~
implementation of appropriate measures to prevent pollution of the non-stormwate=
component(s) of the discharge.
Irrigation return flow and natural spring water which mixes with mine drainage c•
process water becomes mine drainage oz process water.
3. Stormwater Management Plan Review. Implementation. and Compliance
a) SWMP Review/Chances: Upon review of the SWMP, the Division may notify the permitter
ac any time that the plan does not meet one or more of the minimum requirements of thi
permit. After such notification, the permittee shall make changes to the plan any'.
shall submit to the Division an update co the plan including the requested change:.
Unless otherwise provided by the Division, the permittee shall have 30 days after su<'~
notification to both make the necessary changes to the plan, to implement them, and ~
submit the changes to the Division.