All official city email addresses will change to @wilmingtonohio.gov effective July 15, 2025—please update your records and use the new emails listed on our website.

Does the City test the water regularly? Is the testing done at various sites?

The City of Wilmington tests the water both leaving the water plant and throughout the water
system regularly, following U.S. and Ohio Environment Protection Agency protocols. Many
tests are also completed around the clock during the water treatment process.

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