Ohio Water Quality Reports 2026
Is your Ohio tap water safe to drink? Check water quality for 17 cities and find the best water filtration companies near you.
Common Water Quality Concerns in Ohio
Water Quality Reports by City
Select your city to see EPA water data and find local filtration services.
Columbus
Pop: 905,748
Cleveland
Pop: 381,009
Cincinnati
Pop: 309,317
Toledo
Pop: 274,975
Akron
Pop: 190,469
Dayton
Pop: 137,644
Parma
Pop: 81,146
Canton
Pop: 70,872
Lorain
Pop: 65,211
Hamilton
Pop: 62,477
Springfield
Pop: 58,662
Kettering
Pop: 57,862
Elyria
Pop: 54,086
Lakewood
Pop: 50,942
Youngstown
Pop: 60,068
Dublin
Pop: 49,037
Mentor
Pop: 46,646
About Ohio Drinking Water
Is Ohio tap water safe? While Ohio water utilities must meet EPA minimum standards, many contaminants are legally allowed at levels that health experts consider concerning. Each city's water quality varies based on source, treatment, and infrastructure age.
How to Find the Best Water Filtration in Ohio
When choosing a water filtration company in Ohio, consider:
- Free water testing — Reputable companies offer professional in-home testing
- Customized solutions — Your system should address your specific contaminants
- Whole-home vs. point-of-use — Whole-home systems protect every tap and shower
- Certification — Look for NSF-certified systems
- Warranty and service — Quality companies stand behind their work
Why Ohio Residents Need Water Filtration
Ohio's water infrastructure faces challenges from aging pipes, agricultural runoff, industrial contamination, and emerging pollutants like PFAS. Even when water leaves the treatment plant safely, it can pick up contaminants traveling through miles of pipes to your home.
A whole-home water filtration system ensures that every tap in your Ohio home delivers clean, safe water — for drinking, cooking, bathing, and more.
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