Publicly owned water district that provides water for residents within Alameda and Contra Costa County in California. Controls industrial pretreatment programs and issues permits prohibiting hazardous discharges. Runs a variety of programs, including education and outreach designed to help residents with toxic wastewater disposal questions. Offers rebates and incentives for residential and commercial water conservation measures. Web site features information on water conservation and recycling, greywater, and rebates.