Ohio vs Michigan: Whose Tap Water Is Cleaner?
Tap Water Quality in Ohio (81.0/100) vs Michigan (83.1/100) — a 3% gap between neighbors, explained with July 2026 data.
Ohio and Michigan share a border, but for tap water quality they don't share much else: Ohio averages 81.0/100 (rank #36 of 51) and Michigan averages 83.1/100 (rank #27) as of July 2026 — a 3% gap between neighbors.
| Ohio | Michigan | U.S. benchmark | |
|---|---|---|---|
| Quality score | 81.0/100 | 83.1/100 | 84.5/100 |
| Violations per water system | 1.3 | 1.4 | 2.5 |
Ohio in context
Ohio lands mid-pack for tap water quality: a score of 81.0/100 ranks #36 of 51, and its water systems averaged 1.3 health-based violations each in 2024 — better than the U.S. average of 2.5.
Michigan in context
Michigan lands mid-pack for tap water quality: a score of 83.1/100 ranks #27 of 51, and its water systems averaged 1.4 health-based violations each in 2024 — better than the U.S. average of 2.5.
Full local breakdowns: Ohio · Michigan · all states ranked.
Averages describe states, not your faucet. A certified home water test screens for lead, nitrates, bacteria and dozens of other contaminants — the same categories EPA regulates.
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