The City of Cotati Water, a public community water system under the City's Water and Sewer Division under the Department of Administrative Services, provides water to about 7,429 residents living in Cotati, in Sonoma County, California. Founded in 1963, the City of Cotati Water System is currently supplied with blended water sources: groundwater sources, primarily three Cotati-owned wells that drill into the aquifer underneath the area, and surface water from Sonoma Water, which draws water from Lake Mendocino Reservoir and Lake Sonoma Reservoir.

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Cotati Drinking Water Quality

Consumer Confidence Water Quality Reports

Under the authority of the Safe Drinking Water Act, the EPA requires City Of Cotati Water to assess local water quality each year and distribute a Consumer Confidence Water Quality Report. At WaterZen, we review these reports and make the information available, in a concise, straightforward, and easy-to-understand way. You can find CCR report on the City Of Cotati Water website.

Contact City Of Cotati Water Customer Service

Have a Question, Issue or Comment?

Main Customer Service

Physical Address:
201 West Sierra Avenue
Cotati, California 94931

phone
Cscott@Cotaticity.Org

Emergency (24 hours - broken water main or pipeline, etc.)
707-665-3620

Pay Your City Of Cotati Water Bill

Already have an account?

If you already have an account, you just need to login to the City Of Cotati Water site. City Of Cotati Water accepts credit cards, debit, and direct deposit. Click here to login.

How to Start Cotati Water Service

Starting Your Service

When you move to a new home in Cotati, you'll most likely already have running water, but you'll still need to set up water service with the City Of Cotati Water. Luckily, Cotati has made it pretty simple with the following online form. Starting service generally takes just two business days.

Click here to fill out a Start Service Form.

Stopping Your Service

When you move out of a home in Cotati, you'll need to stop your water service with the City Of Cotati Water, so you don't keep getting billed. Simply fill out the following online form. Stopping service normally takes just two business days.

Click here to fill out a Stop Service Form.

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