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PRS Erosion Matrix Score Assessment Date Structure Mesa Top Bench Canyon Floor Channel Topography Explanation Ground Explanation Slope Explanation Runoff Evidence Channelized Channel Description Runoff Wetland Runoff Other Terminus Explanation Runoff Explanation Structure Run-On Structure Explanation NPDES Run-On NPDES Explanation Natural Run-On Natural Run-On Explanation ESH-18 Representative BMP Prescription BMP Description Not BMPs Sediment Comments 19-001 8.8 9/16/1997 YES NO NO NO On mesa top east of industrial park and north of Highway 502. Removal of old septic tank and outfall at canyon face. Jute mat in place. Little vegetation in remaining area. NO NO NO NO NO T. Lemke Free-standing straw bales and jute matting. NO BMPs (straw bales) need to be staked or stabilized. 19-003 8.8 9/16/1997 YES NO NO NO Sewer line and outfall near canyon edge, east of industrial park and north of Highway 502. Line and outfall have been removed. Area primarily covered with jute matting. NO NO NO NO NO T. Lemke Jute matting over excavated area and straw bales at the canyon face. NO Area stabilized with jute matting.