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STORMWATER MANAGEM~T PLAN <br /> <br />Murry D. Stewart <br />County Engineer <br />520-6460 Appropriate Agencies <br />Chuck Whyte Alan Morrlce <br />Merv Casey Transportation Division Stormwater <br />Systems Supervisor Manager Management Supervisor <br />520 6840 520-6460 520-6640 <br />Bob Haver Jim While <br />Rural Superintendent Urban Superintendent <br />347-2313 520-6460 <br />B. RISK IDENTIFICATION AND ASSESSMENT <br />The potential for various sources to contribute pollutants to stonnwater runoff, and their <br />associated risk assessment of doing so, are listed in the following table. <br />POTENTIAL MATERIALS STRUCTURAL / POTENTIAL <br />SOURCE AREA STORED OR USED NONSTRUCTURAL RISK <br /> PREVENTIVE <br /> MEASURES <br />Top Soil Topsoil Revegetation None <br />Stockpiles <br />Gravel Mine Sedimentation <br />Slopes end Gravel end Sand Ponds, Runoff Minimal <br />Storage Piles Contained In Pit Area <br />The risk for the potential sources listed above to contribute contaminants to Stormwater <br />discharging from lire topsoil stockpiles is considered low because the stockpiles have <br />been vegetated or fire Stormwater runoff is captured in sediment ponds. There Is no <br />discharge to a municipal storm drain system nor direct discharge to the waters of the <br />Slate of Colorado. <br />C. PREVENTIVE MAINTENANCE <br />Erosion end sediment control measures consist of containing the maJority of Stormwater <br />runoff within the pit area or sedimentallon ponds al discharge points. These measures <br />are Inspected period{cally for required repair or maintenance to prevent potential <br />problems from occurring. Inactive portions of the pit may be reclaimed as other new <br />portions are opened. <br />D. GOOD HOUSEKEEPING <br />The "Good Housekeeping" program for this facility Is: <br />1. Cleaning accumulated sediment from ponds. <br />Page 2 <br />- .- .... laa-. ._~ _.... ._..r_ ..._~_a_ -:m~vvbayot.:.:iCr~.w.:a:c..- - - .:.s_c`c...e,:ii: .:..a.:::.b:.~..._a._.~. <br />