This slide presentation outlines information on providing a safe reliable potable water supply, while meeting increased demand for recreation opportunities, and respecting the needs of the farming community and other users. Topics covered include: waterborne disease outbreaks associated with recreational water in the U.S.; examples of critical parameters and ranges from MWD study; excerpt from the California Safety Code; legal requirements and restrictions; purpose and structure of proposed guidelines; biological risk assessment method; and, recreation area's Best Management Practices (BMPs).