The City of Prosser Water, a public community water system under the City Department of Public Works, provides water to about 6,132 residents living in Prosser, Benton County, Washington. Founded in 1899, the City of Prosser Water System currently obtains its supply from five municipal wells, groundwater sources that drill into the aquifer underneath the area.
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Prosser Drinking Water Quality

Consumer Confidence Water Quality Reports

Under the authority of the Safe Drinking Water Act, the EPA requires City Of Prosser Utilities 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 Prosser Utilities website.

Contact City Of Prosser Utilities Customer Service

Have a Question, Issue or Comment?

Main Customer Service

Physical Address:
Po Box 1639
Prosser, Washington 99350

phone
None

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

Pay Your City Of Prosser Utilities Bill

Already have an account?

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

How to Start Prosser Water Service

Starting Your Service

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