Ohio · population 136,346
Lead pipes in Dayton, OH
9,525 lead or galvanized lines to replace
Most of Dayton (population 136,346) gets its water from Dayton Public Water System. That system reported 8,588 lead and 937 galvanized-requiring-replacement service lines out of 64,429, with 0 more of unknown material.
15% of Dayton Public Water System's service lines are lead or galvanized requiring replacement, higher than the Ohio average (8.8%) and higher than the national average (3.1%).
- Lead 13%
- Galvanized (replace) 1.5%
- Unknown 0%
- Non-lead 85%
Latest lead test for Dayton Public Water System (Jan 2024–Dec 2026): not detected at the 90th percentile, against a 15 ppb federal action level. Full test history.
Compliance record: EPA lists no Lead and Copper Rule violations since 2015 for Dayton Public Water System.
Water systems serving Dayton
| Water system | Lead | Galv. | Unknown | % lead |
|---|---|---|---|---|
| Dayton Public Water SystemMain system | 8,588 | 937 | 0 | 15% |
| Montgomery County Water Services 1 PWSServes nearby areas | 370 | 156 | 16,665 | 1.1% |
Matched from EPA water system service area boundaries and the cities each system reports serving. Edges of the city may be served by a neighboring system; your water bill names your utility.
Check your address in Dayton
The counts above cover the whole water system. To see whether your line is lead, look up your address on Dayton Public Water System's official inventory. Utilities had to make these public by October 16, 2024.
No map yet? Do the 2-minute scratch and magnet test.
Protect your drinking water
If your line is lead, galvanized or unknown, use a filter certified to NSF/ANSI 53 for lead for drinking, cooking and baby formula, and use only cold water.
Choosing a lead-certified filter · Testing your water · Replacement cost
Nearby cities
- Riverside526 lead + galv. lines
- Oakwood city12 lead + galv. lines
- Moraine526 lead + galv. lines
- Trotwood11 lead + galv. lines
- Vandalia751 lead + galv. lines
- Kettering526 lead + galv. lines
- Huber Heights10,457 unknown
- Englewoodno lead reported
Check another water system
Questions
Does Dayton, OH have lead pipes?
Yes. Dayton Public Water System, which serves Dayton, reported 8,588 lead and 937 galvanized-requiring-replacement service lines, plus 0 of unknown material.
Who supplies water to Dayton?
EPA's service area maps place most of Dayton in Dayton Public Water System's service area (PWSID OH5703512). Montgomery County Water Services 1 PWS also serves parts of the city or nearby areas.
How do I check whether my Dayton home has a lead service line?
Search your address on Dayton Public Water System's service line inventory map. You can also scratch the pipe where water enters your home: lead is soft, dull gray, scratches to shiny silver and doesn't attract a magnet.
When will lead pipes in Dayton be replaced?
EPA's Lead and Copper Rule Improvements require most systems to replace lead and galvanized-requiring-replacement lines by December 31, 2037. Ask Dayton Public Water System whether your street is scheduled and whether it covers the private side.