Ohio Tap Water Quality: Is It Safe to Drink?
2026 EPA water quality data for 0 community water systems serving residents in Ohio. Find your water system to see violations, PFAS results, lead testing, and a safety grade — free.
Ohio sources drinking water from Lake Erie, the Ohio River, and extensive glacial aquifer systems. Harmful algal blooms on Lake Erie have periodically threatened Toledo and other lakefront utilities with microcystin contamination. Lead from aging service lines is a concern in older industrial cities like Cleveland and Columbus.
Find Your Water System in Ohio
Enter your ZIP code to see EPA violations, lead test results, PFAS data, and a safety grade for your water.
📊 Data from EPA’s SDWIS
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🔄 Updated quarterly
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🏛️ 0+ water systems in Ohio