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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
59-004 24.0 10/15/1997 59-2 NO YES NO NO PRS on bench on north side of Two Mile Canyon, south of TA-59-2.  Site is deleted NPDES outfall EPA 03A098.  Rock lined channel from outfall to canyon edge. Sparse ground cover.  Canopy cover at edge of canyon.   NO NO           NO   NO   YES Sheet flow from adjacent slope. T. Lemke   Cobbles lining channel from outfall to canyon edge. NO Outfall is no longer active.  BMP maintenance not necessary.