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  • Contra Costa Water District



    About Us

    The Contra Costa Water District delivers safe, clean water to approximately 500,000 people in central and eastern Contra Costa County in Northern California.

    Formed in 1936 to provide water for irrigation and industry, CCWD is now one of the largest urban water districts in California and a leader in drinking-water treatment technology and source water protection.

    As a public water agency, the Contra Costa Water District has made a concerted effort to share information about its public services with many and varied audiences. The purpose of this web site is to help even more people get the information they need.