The Greater Cincinnati Water Works supplies water for about 1.1 million customers in Cincinnati, Ohio, most of Hamilton County, and parts of Butler and Warren Counties. Established in 1839, the water works department collects water from the Ohio River and the Great Miami Buried Valley Aquifer to help the Cincinnati metropolitan area keep growing.
Cincinnati Drinking Water Quality
Consumer Confidence Water Quality Reports
Under the authority of the Safe Drinking Water Act, the EPA requires Cincinnati Water to assess local water quality each year and distribute a Consumer Confidence Water Quality Report.
The information in this report includes the source of your water, whether your water meets EPA standards, detailed tables of detected contaminants, detailed descriptions of those contaminants, possible reasons why they're present, and potential health effects (if any).
Read the Consumer Confidence Report for Cincinnati main water system here:
Contact Cincinnati Water Customer Service
Have a Question, Issue or Comment?
Main Customer Service
513-651-5323 (Mon–Fri, 7:30 AM–5:00 PM)
Emergency (24 hours - broken water main or pipeline, etc.)
Pay Your Cincinnati Water Bill
Already have an account?
If you already have an account, you just need to login to the Cincinnati Water site. Cincinnati 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 Cincinnati 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 Cincinnati Water Service
Starting Your Service
When you move to a new home in Cincinnati, you'll most likely already have running water, but you'll still need to set up water service with the Cincinnati Water. Luckily, Cincinnati has made it pretty simple with the following online form. Starting service generally takes just two business days.
Stopping Your Service
When you move out of a home in Cincinnati, you'll need to stop your water service with the Cincinnati Water, so you don't keep getting billed. Simply fill out the following online form. Stopping service normally takes just two business days.