ABOUT US CUSTOMER SERVICE WORKING WITH US YOUR WATER LOS VAQUEROS WATER EFFICIENCY Search HomeAbout UsContact Us CONTACT US We're here to help You can reach us at 925-688-8000 during regular business hours or send us an email. Water emergency? To report suspicious activity, or to report leaks in the street, we are available 24/7 at 925-688-8374. Physical address Contra Costa Water District 1331 Concord Avenue Concord, CA 94520 Temporary COVID-19 Lobby Hours Monday – Thursday 8:00 am – 11:30 am and 1:00 pm – 5:00 pm Friday 8:00 am – 11:30 am and 1:00 pm – 4:00 pm Mailing address Contra Costa Water District P.O. Box H20 Concord, CA 94524 Call us General 925-688-8000 Emergencies 925-688-8374 Water Quality Hotline 925-688-8156 Water Efficiency 925-688-8320 Engineering Support 925-688-8014 Public Affairs 925-688-8109 Los Vaqueros Marina 925-371-2628 Water Education 925-588-1909 Common requests Request a leak adjustment Request a temporary hydrant meter Request a speaker Contact Us District Resources Board of Directors Our History Tour CCWD Media Center BILL PAY OPTIONS WATER EFFICIENCY EMPLOYMENT OPPORTUNITIES FOR BUSINESSES Procurement Opportunities Required Contractor Safety Manual FOR RESIDENTS Customer Service Conservation FOR YOU Water Education Lawn to Garden Program CONTACT INFO Contra Costa Water District 1331 Concord Avenue Concord, CA 94520 General: 925-688-8000 Emergencies: 925-688-8374 Email Us HELPFUL LINKS Contact CCWD Media Center Procurement Opportunities Water Education Board of Directors USING THIS SITE Home Site Map Accessibility Copyright / Legal Powered by CivicPlus®