The City of St. Helena Water supplies water to about 6,152 residents in the St. Helena area of Napa County. St. Helena Water Department utilizes groundwater, surface water, and purchased water from three sources, including two Stonebridge Wells at Pope St. and Napa River area, Bell Canyon Reservoir in the Deer Park area, and the City of Napa. The City of Napa's water comes from the Napa River, and water from all sources is treated with chlorine and fluoride to improve the quality. The hardness range of St. Helena's water is between 37 - 177 parts per million.

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St. Helena Drinking Water Quality

Consumer Confidence Water Quality Reports

Under the authority of the Safe Drinking Water Act, the EPA requires St Helena 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 St Helena Water website.

Contact St Helena Water Customer Service

Have a Question, Issue or Comment?

Main Customer Service

Physical Address:
1405 Charter Oak
St. Helena, California 95474

phone
Cchurch@Cityofsthelena.Org

Emergency (24 hours - broken water main or pipeline, etc.)
None

Pay Your St Helena Water Bill

Already have an account?

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

How to Start St. Helena Water Service

Starting Your Service

When you move to a new home in St. Helena, you'll most likely already have running water, but you'll still need to set up water service with the St Helena Water. Luckily, St. Helena 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 St. Helena, you'll need to stop your water service with the St Helena 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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