Santa Rosa has multiple water providers: City of Santa Rosa Water and California American Water - Larkfield. This page provides information about California American Water - Larkfield.

California American Water - Larkfield supplies water to about 7,653 residents living in the Larkfield-Wikiup area. Founded in 1886, California American Water - Larkfield collects water from Glen Ellen Formation and the Russian River.

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Larkfield-Wikiup Drinking Water Quality

Consumer Confidence Water Quality Reports

Under the authority of the Safe Drinking Water Act, the EPA requires California American Water - Larkfield 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 California American Water - Larkfield website.

Contact California American Water - Larkfield Customer Service

Have a Question, Issue or Comment?

Main Customer Service

Physical Address:
4787 Old Redwood Highway
Santa Rosa, California 95403

phone
Margaret.Digenova@Amwater.Com

Emergency (24 hours - broken water main or pipeline, etc.)
707-542-8329

Pay Your California American Water - Larkfield Bill

Already have an account?

If you already have an account, you just need to login to the California American Water - Larkfield site. California American Water - Larkfield accepts credit cards, debit, and direct deposit. Click here to login.

How to Start Santa Rosa Water Service

Starting Your Service

When you move to a new home in Larkfield-Wikiup, you'll most likely already have running water, but you'll still need to set up water service with the California American Water - Larkfield. Luckily, Santa Rosa 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 Larkfield-Wikiup, you'll need to stop your water service with the California American Water - Larkfield, 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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