HYDRO27537

• Permit No: C1980001
• IBM Index Class Name: Hydrology
• Doc Name: AUTHORIZATION TO DISCHARGE UNDER COLORADO DISCHARGE PERMIT SYSTEM
• Permit Index Doc Type: NPDES
• Media Type: D
• Archive: No

PART 1
Permit No. CO-0032638
Page No. 14
D. SPECIAL REQUIREMENTS
1. Materials Containment Plan (continued)
b. An update of the reporting system which will be used to notify, at a minimum, responsible facility management,
the Division, the Environmental Protection Agency, downstream water users within 5 miles downstream of the
facility, and local health officials;
c. A description of any changes in the preventative facilities (including overall facility plot) which prevent,
contain, or treat spills and unplanned discharges;
d. A current list which includes the volumes or quantities of all materials used, processed. or stored at the facility
which represent a potential spill threat to surface waters. The location of stored material shall be indicated on
the facility plot submitted for item c;
e. An implementation schedule for additional facilities which might be required in item c, but which are not yet
operational;
f. A torten[ list of available outside contractors, agencies, or other sources which could be utilized in the event of
a spill in order to clean up its effects. If the facility is capable of handling spills in-house, this shall be
documented in the plan;
g. Provision for yearly review and updating of the contingency plan, plus resubmission of the plan to the Division
if conditions and/or procedures at the facility change the original plan.
The foregoing provisions shall in no way render inapplicable those requirements imposed by the Federal Water
Pollution Control Act, 33 U.S.C. § 1321, regulations promulgated thereunder, the Colorado Water Quality Convol
Act, and regulations promulgated thereunder. It is recommended that this plan be prepared by a professional
engineer registered in the State of Colorado.
Nothing herein contained shall be construed as allowing any discharge [o waters of the State other than through the
discharge points specifically authorized in this permit. Nothing herein contained shall be construed as excusing any
liability the permittee might have, civil or criminal, for any spill.
The submittal of a Spill Prevention Control and Countermeasure Plan (SPCC Plan) as required by 40 CFR Part 112
may satisfy all or part of this requirement. Should additional materials exist on site which are not addressed in [he
SPCC Plan, addressing those materials as per the above is required.
I/ If there is no such material present at the site, this shall he indicated in writing and submitted to the Division for review.
2/ If there is material present but the petmittee feels there is not a reasonable probability of a spill impacting waters of the State, this
shall he documented in writing and submitted to the Division for review. This documentation shall include; 1) distance to nearest
surface waters, and; 2) a detailed description of any structure which prohibits the release of material onto the ground or into a
conveyance system.
2. Stormwater Requirements
a. Stormwater Management Plan
A current Stotmwa[er Management Plan (SWMP) shall be maintained for the portions of Edna Mine that are
covered by [his section of the permit. The SWMP shall be prepared in accordance with good engineering practices.
(The plan need not be completed by a registered engineer.) The plan shall identify potential sources of pollution
(including sediment) which may reasonably be expected to affect the quality of stormwater discharges associated
with the inactive mining operation. In addition, the plan shall describe and ensure the implementation of best
management practices (BMPs) which will be used to reduce the pollutants in stormwater discharges associated with
the inactive mining operation and to assure compliance with the terms and conditions of this permit.