The Contra Costa Water District delivers safe, clean water to approximately 520,000 people in central and eastern Contra Costa County in Northern California. Formed in 1936 to provide water for irrigation and industry, we are 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, we are committed to transparency and sharing information about our public services with many and varied audiences.
EN 
中文
Australia
China
Germany
Hong Kong
India
Indonesia
Israel
Japan
Malaysia
Nepal
New Zealand
Philippines
Singapore
Taiwan
United Arab Emirates
United Kingdom
United States
Vietnam
More Countries