Swimming Advisory Caution

The DNREC Recreational Water Program monitors bacterial water quality at established sampling sites throughout the state from May through September. If bacterial sampling results exceed state standards, DNREC issues swimming advisories for Atlantic Ocean beaches, as well as for Delaware Bay beaches south of and including Lewes Beach and for Lake Como in Smyrna.

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Watershed Assessment and Management

The Watershed Assessment and Management Section oversees the health of the state’s surface water resources and takes actions to protect and improve water quality for aquatic life and human use.

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Recreational Water Monitoring

The Department of Natural Resources and Environmental Control monitors waterbodies commonly used for swimming and other recreational activities to provide the public with guidance about water quality.

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