2010-12-21_PERMIT FILE - M2010082

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STORM WATER MANAGEMENT PLAN Lincoln County JAMACO Pit As required by the State of Colorado Department of Health to reduce the chance of any possible pollutants reaching any waters of the State of Colorado, let this serve as a Storm Water Management Plan (SWMP) than can be modified as needed should any of the Lincoln County mining practices or operations change with regards to operating next to a creek-bed or stream-bed or an in stream bed operation. Or should any open pit within Lincoln County be located, have the sloping changed to allow storm water to come in contact with any waterway that would drain into a state waterway. Lincoln County does not or should not need to store any materials on site other than stockpiles of material within the boundary of the permit area. All equipment used in the removal or transportation of material from the site is trucked in, i.e. bull-dozers or end- loaders fully fueled and removed once the work is complete, no hauling trucks are left at the site. All fueling or repairs shall take place on the haul road or loading area well away from any bank, stream bed or creek bed. All and or any overburden or topsoil that needs to be retained on site for reclamation is seeded, if they do not revegetate within a reasonable time, usually one year they are reseeded. Stockpiles of sand/gravel are minimal and rarely will be left for any length of time on site. Sand and gravel pits within Lincoln County are worked such, and in most cases are located well away from any drainage areas that would allow water to enter Colorado Waters as defined, and any storm water run off remains in the pit and perks through the soil. Any operations in Lincoln County that take place within a creek-bed or stream bed have material stockpiled well away from the banks and rarely remain. The District Road Foreman for District 2 shall be responsible to assure this plan is followed, and all Best Management Practices (BMP) are implemented and up-dated as needed to insure any storm water that may enter the drainage features has not been polluted by poor management practices. During the first year there will be two inspections performed, semi-annual, and if no problems have been found or noted then inspections will be performed once annually. BEST MANAGEMENT PRACTICES At no time will any mining activity take place when there is water in the pit area. Once the usable material has been removed and stockpiled in the pit area will be sloped to retain water in the pit area until it has percolated into the soil to make sure no run off reaches any drainage area in the area of the pit. The nearest drainage feature is a Hackberry Creek located 569 feet west of the pit.