Public Works

Contact Us

Jon Blank
Public Works Director/City Engineer
Tim Coley
Superintendent
Laura Villasana
Water Quality Analyst

Capital Improvements/Traffic Transportation Engineering
200 H Street – Basement
Antioch, CA 94509
Tel: (925) 779-7050
Hours: 8:00 AM – 5:00 PM

Development Engineering
200 H Street – 2nd Floor
Antioch, CA 94509
Tel: (925) 779-7035
Hours: 8:00 AM – 5:00 PM

Maintenance Operations and Utilities
1201 W 4th Street
Antioch, CA 94509
Tel: (925) 779-6950
Hours: 7:00 AM – 4:00 PM

Public Works Department


Water Treatment

The City of Antioch Water Treatment Plant operates 24-hours/day under the regulatory oversight of the State Water Resources Control Board Division of Drinking Water.

This division is responsible for the operation and maintenance of 2 conventional surface water treatment plants with a combined capacity of 36 million gallons per day.  The transmission system consists of 11 booster pump stations (8 with emergency standby generators) maintain the pressure in 4 major pumping zones, 12 treated water storage reservoirs and 3 emergency interconnections with other agencies.  A raw water transmission system includes one San Joaquin River pump station, 2 canal pump station and a municipal raw water reservoir.

The Water Treatment Plant ensures that the water distributed by the City is of the highest quality possible and meets or exceeds all State and Federal health standards.

Please see the link for our Annual Water Quality Report for details.