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Failure to support the contact recreation use is a frequent cause of 303(d) listing. A substantial number of these listing are of smaller streams with limited human influence in the watersheds. Part of the reason for these possibly inappropriate listings is that most states have criteria developed to protect full-body swimming in good weather, but applied to smaller streams that frequently cannot support the swimming use. Screening is sometimes performed with data collected in wet weather. The paper presents two methods of reducing these types of possibly inappropriate listings. One is to assess physical suitability in the field and only screen data collected when the stream is suitable for the use. The other, that does not require field suitability determination, is to exclude some high flow data where the use is not likely to be supported, based on watershed size and flow distribution.

Document Type: Research Article


Publication date: January 1, 2002

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  • Proceedings of the Water Environment Federation is an archive of papers published in the proceedings of the annual Water Environment Federation® Technical Exhibition and Conference (WEFTEC® ) and specialty conferences held since the year 2000. These proceedings are not peer reviewed.

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