Sonora Drinking Water Quality

Consumer Confidence Water Quality Reports

Under the authority of the Safe Drinking Water Act, the EPA requires Tuolumne Utilities District - Upper Basin Water System 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 Tuolumne Utilities District - Upper Basin Water System website.

Contact Tuolumne Utilities District - Upper Basin Water System Customer Service

Have a Question, Issue or Comment?

Main Customer Service

Physical Address:
18885 Nugget Blvd
Sonora, California 95370

phone
Dperkins@Tuolumneutilities.Com

Emergency (24 hours - broken water main or pipeline, etc.)
209-532-5536

Pay Your Tuolumne Utilities District - Upper Basin Water System Bill

Already have an account?

If you already have an account, you just need to login to the Tuolumne Utilities District - Upper Basin Water System site. Tuolumne Utilities District - Upper Basin Water System accepts credit cards, debit, and direct deposit. Click here to login.

How to Start Sonora Water Service

Starting Your Service

When you move to a new home in Sonora, you'll most likely already have running water, but you'll still need to set up water service with the Tuolumne Utilities District - Upper Basin Water System. Luckily, Sonora 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 Sonora, you'll need to stop your water service with the Tuolumne Utilities District - Upper Basin Water System, 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.