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DRAFT - JUNE 21, 1989 <br /> <br /> The specific practices which must be implemented for e&ch management <br />level at each site are beyond the scope of this plan. The Organization <br />intends to complete a detailed plan of the protected waters in. the near <br />future. At that time, the restrictions imposed by development, economics and <br />conflicting needs can be evaluated and appropriate practices selected to meet <br />the goals of the Organization. <br /> <br />WATER QUALITY CRITERIA <br /> <br /> The Organization has adopted criteria for the design of water quality <br />enhancement features in the watershed to ensure that water quality objectives <br />are achieved. They are not intended to restrict the design process but they <br />are minimum requirements which must be met to obtain approval. <br /> <br />On-Site Water Quality Basins <br /> <br /> Although it is the Organization's policy to manage its water resources <br />using the regional detention basin concept, sound water quality management <br />occasionally requires the use of on-site detention basins to meet s[ormwater <br />runoff and water quality objectives. An on-site detention basin will be <br />required for all commercial and industrial development when The site is <br />immediately adjacent to a protected water and runoff is not tributary to a <br />regional water quality treatment facility. A~nen on-site detention basins are <br />required, these basins must: <br /> <br />Conform to the stormwater runoff criteria. <br /> <br />Have water quality features and dead storage volume, designed for <br />a 2-year, 1-hour rainfall event. <br /> <br />Be constructed according to the Nationwide Urban Runoff Program <br />(NURP) guidelines. <br /> <br />2302047/LRRWMO.WP/SAM <br /> <br /> <br />