Safe
Ohio, United States
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Last reviewed:
Is Tap Water Safe to Drink in Columbus?
Yes, tap water in Columbus is safe to drink. It's supplied by the Scioto River and regional reservoirs, treated at one of the largest water plants in Ohio, meeting all EPA standards.
Hardness
Moderately hard
pH
7.4–7.9
TDS
ranges 250–350 ppm
EPA Status
Compliant
Soft
Moderate
Hard
Very Hard
Water Source
Columbus Department of Public Utilities draws from the Scioto River and O'Shaughnessy and Hoover Reservoirs, treating water at the Dublin Road Water Plant, one of the largest in the state.
EPA Compliance Status
Meets all federal Safe Drinking Water Act standards.
Notable Contaminants & Context
- •No significant compliance concerns
How It Compares
Columbus's reservoir-and-river system is a typical large Midwest supply model, with treatment consistently keeping finished water within EPA limits.
Tips
- •Columbus Public Utilities publishes an annual water quality report
- •No need for bottled water around the city
Frequently Asked Questions
Sources & References
The safety rating and guidance on this page draw on the following sources. See our full methodology.
- •US EPA Safe Drinking Water Act regulations
- •EWG Tap Water Database
- •The utility's most recent Consumer Confidence Report (CCR)
- •WHO Guidelines for Drinking-water Quality