The Estero Municipal Improvement District supplies water to about 37,687 residents living in the Foster City area, San Mateo County, California. Founded in 1960, the Estero Municipal Improvement District purchases water from the San Francisco Regional Water System (SFRWS), which provides both surface water and groundwater stored in reservoirs located in the Sierra Nevada, Alameda County, and San Mateo County, and deep aquifer located in the northern part of San Mateo County respectively.

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Foster City Drinking Water Quality

Consumer Confidence Water Quality Reports

Under the authority of the Safe Drinking Water Act, the EPA requires Estero Municipal Improvement District 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 Estero Municipal Improvement District website.

Contact Estero Municipal Improvement District Customer Service

Have a Question, Issue or Comment?

Main Customer Service

Physical Address:
100 Lincoln Center Drive
Foster City, California 94404

phone
Asmith@Fostercity.Org

Emergency (24 hours - broken water main or pipeline, etc.)
650-286-3546

Pay Your Estero Municipal Improvement District Bill

Already have an account?

If you already have an account, you just need to login to the Estero Municipal Improvement District site. Estero Municipal Improvement District accepts credit cards, debit, and direct deposit. Click here to login.

How to Start Foster City Water Service

Starting Your Service

When you move to a new home in Foster City, you'll most likely already have running water, but you'll still need to set up water service with the Estero Municipal Improvement District. Luckily, Foster City 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 Foster City, you'll need to stop your water service with the Estero Municipal Improvement District, 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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