HYDRO26980

• Permit No: C1980001
• IBM Index Class Name: Hydrology
• Doc Date: 12/6/2002
• Doc Name: Modification to the CDPS Permit No. CO-0032638
• From: The Pittsburg & Midway Coal Mining Co
• To: DMG
• Permit Index Doc Type: NPDES
• Media Type: D
• Archive: No

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D. SPECIAL REQLIIItEMENTS
2. Stormwater Requirements (continued)
PARTI
Permit No. CO-0032638
Page No. 10
Pittsburg and Midway Coal Company must implement the provisions of their SWMP as a condition of this permit. The
Division reserves the right to review the plan, and to require additional measures to prevent and control pollution as needed.
SWMPs which met criteria contained in the previous version of this permit are acceptable.
The SWMP shall include the following items, at a minimum:
1) Description of Mining Activities
The plan shall provide a narrative description of the mining and associated activities that took place at the site. The
narrative description shall report the approximate dates of operation, the total acreage within the mine site and an
estimate of the number of acres of disturbed azea. A general description of the location of the mining site relative to
major transportation routes and communities shall also be provided.
2) Site Man
Each plan shall provide a generalized site map or maps which indicate any of the following, which maybe applicable:
mining site boundaries and access and haul roads;
- aeeas used for storage of overburden, materials, soils, tailings or wastes;
- areas used for outdoor manufacturing, storage or disposal of materials;
- tailings piles and ponds;
- an estimate of the direction(s) of surface flow;
- existing structural control measures to reduce pollutants in siormwater runoff; and.
- springs, streams, wetlands and other surface waters.
3) Stormwater Management Controls -Identification of Soutces and Best Management Practices
The SWMP shall identify potential sources of pollutants at Uie site and assess the potenfial of these sources to contribute
pollutants to stormwater discharges associated with mining activities. The SWMP must also describe appropriate Best
Management practices (BMPs) to reduce the potential of these sources to contribute pollutants to stormwater dischazges.
The appropriateness and priorities of controls in the plan shall reflect identified potential sources of pollutants at the
mining site. The description of the BMPs shall include:
a) Stormwater Diversion: Describe how and where stotrriwater will be diverted away from potential pollutant sources to
prevent stormwater contamination.
b) Sediment and Erosion Prevention: Describe practices that will be used to reduce erosion and prevent sediment
delivery to State waters. These could include stmctura] (such as silt fences, sediment ponds, drop structures, check
dams) and non-structural (such as mulching and revegetation) methods.
4) Comprehensive Inspection
The SWMP shall identify qualified personnel that shall inspect designated aeeas. Inspections required by this part shalt
be conducted annually. Where annual inspections aze impracticable, certification is requued once every three yeazs by a
Registered Professional Engineer that the site complies with the SWMP.
5) Additional SWMP Items for Sites Seekine Permit Termination
Additional requirements apply in the event that the permittee wishes to remediate the inactive mine site and teradnate
permit coverage. If this permit already covers the site, the permittee shall notify the Division as to the change in status.
Notification shall be before the implementation of the remediation work, if possible. The SWMP must be amended to
include the following items, before implementation of [he remediation work, if possible:
a) Documentation of Permission: The plan shall include documentation of permission from the landowner, if someone
other than the landowner undertakes the remediation work.