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Crews have been tunneling adjacent to the Olentangy River to make the 3-mile sewer overflow tunnel since March 2023. The project will help ensure sewer overflow during increasingly common severe storms doesn't pollute the river.

Columbus Water and Power says the area's drinking water supply wasn't impacted. The agency had to close a few wells that draw from Big Walnut Creek as a precaution. Crews are now cleaning oil from Three Creeks Metro Park.

Columbus Water and Power knows of more than 24,000 lead service lines still in the ground. The city is working to replace these pipes and also take inventory of private properties that have lead pipes to get those replaced too.

Removing nutrients from Lake Erie reduces harmful algal blooms and low-oxygen "dead zones," but may also impact food supplies for yellow perch, hurting some fisheries.

Lots of Ohio cities use road salt for a simple reason: it works and it’s cheap. But there’s a drawback: pollution of Ohio's waterways.

Gov. Mike DeWine says the H2Ohio program will now test for forever chemicals in 29 of the state's large rivers.

The water quality study did not look at the Ohio River, which was listed as one of the most endangered rivers in the country in a study earlier this year.

The funds will allow the lab to be temporarily relocated while the facility is remodeled with state of the art equipment.

Activists recently petitioned the Environmental Protection Agency to clean up the Ohio River.The petition calls for federally mandated numeric water…

In many rural cities across the U.S., residents don’t have access to clean water. Lead, pesticides, and other chemicals continue contaminate wells and…