Water and Sediment Control Basins
(WASCOBs)

                       
     District Technician Stefan                        A WASCOB on the Millikin Farm
     Bridenbaugh next to WASCOB                in Perry Township
     riser pipe on Marshall-Sweet 
     Potato drainage project

Water and Sediment Collection Basins are used for small low-lying areas that are prone to flooding.  A subsurface tile is connected to a riser (vertical) pipe with holes in it to allow the water to drain directly to the tile at a measured rate.