Tap water quality in Dayton, Ohio
Dayton's water systems logged 2 health-based EPA violations in 2021–2026, most recently in 2024 — a modest record, with lead and copper rule revisions the issue found. For context, Ohio's systems average 1.3 health-based violations each.
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.
Test your water at homeWe may earn a commission if you request quotes through this link. It costs you nothing and never affects the data we publish.
Dayton tap water FAQ
Is tap water safe to drink in Dayton?
Dayton's systems logged 2 health-based violations in 2021–2026, most commonly lead and copper rule revisions. A violation is a red flag for a period of time, not a permanent condition — your utility's current Consumer Confidence Report shows today's status, and a certified home test shows what's at your tap.
Who supplies Dayton's water?
Dayton Public Water System (serving about 141,407 people); Wright State University (serving about 8,948 people); Dayton Va Bldg 410 (serving about 125 people); Woodbury Apartments Pws (serving about 120 people). Data: EPA Safe Drinking Water Information System, July 2026.
How hard is the water in Dayton?
City-level hardness isn't published in a single federal dataset, but Ohio averages 130 PPM — "hard" on the USGS scale. Your utility's water quality report lists Dayton's exact hardness, or a $10 test strip tells you in a minute. If it comes back over 120 PPM, see our water softener guidance in the purification calculator.
Do I need a water filter in Dayton?
With 2 health-based violations on record in 2021–2026, a certified filter is reasonable insurance here: reverse osmosis ($150–$1,300 installed, Angi 2026) covers lead, nitrates and PFAS at the tap. Test first ($50–$200) so you buy for what's actually present.
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.
Test your water at homeWe may earn a commission if you request quotes through this link. It costs you nothing and never affects the data we publish.