The Ontario Water, a public community water system under the City Department of Public Works, provides water for about 14,465 residents living in the area of Ontario, the largest city in Malheur County, Oregon. Established in 1884, the City of Ontario Water System currently obtains its supply from a blend of sources, including surface water from the Snake River along with six shallow alluvial groundwater wells.

Ontario Drinking Water Quality

Consumer Confidence Water Quality Reports

Under the authority of the Safe Drinking Water Act, the EPA requires City Of Ontario 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.

Excellent

WaterZen Rating

Lead levels in the drinking water of some cities across the United States are too high, potentially creating public-health issues for the people living in those areas.

What about City Of Ontario Water? How much lead is in your drinking water? And how do those levels compare to other cities in the state? We examined data from hundreds of cities across the nation to understand and grade your water quality.

As you can see, City Of Ontario Water received the best-possible grade because the amounts of contaminants found in the water supply were better than the Public Health Goal and most other water providers we've analyzed.

Excellent

WaterZen Rating

Lead levels in the drinking water of some cities across the United States are too high, potentially creating public-health issues for the people living in those areas.

Contact City Of Ontario Water Customer Service

Have a Question, Issue or Comment?

Main Customer Service

Physical Address:
1900 SE 5th Avenue
Ontario, Oregon 97914

541-881-3246
mmallea@opgcpa.com

Emergency (24 hours - broken water main or pipeline, etc.)
541-473-5125

Pay Your City Of Ontario Water Bill

Already have an account?

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

Want to create a new account?

You can create a new account on the City Of Ontario Water website. Once you create the account, you can setup payment with credit, debit, or direct deposit. Click here to create an account.

Want to pay without an account?

You can make a one-time payment without creating an account. You will need to have your credit or debit card in order to make the one time payment. Click here to make a one time payment.

How to Start Ontario Water Service

Starting Your Service

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

Latest Updates