Ohio · population 12,639
Lead pipes in Wilmington, OH
453 lead or galvanized lines to replace
Most of Wilmington (population 12,639) gets its water from Wilmington City PWS. That system reported 168 lead and 285 galvanized-requiring-replacement service lines out of 5,146, with 2,702 more of unknown material.
8.8% of Wilmington City PWS's service lines are lead or galvanized requiring replacement, about the same as the Ohio average (8.8%) and higher than the national average (3.1%).
- Lead 3.3%
- Galvanized (replace) 5.5%
- Unknown 53%
- Non-lead 39%
Latest lead test for Wilmington City PWS (Jan 2023–Dec 2025): 0.8 ppb 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 Wilmington City PWS.
Water systems serving Wilmington
| Water system | Lead | Galv. | Unknown | % lead |
|---|---|---|---|---|
| Wilmington City PWSMain system | 168 | 285 | 2,702 | 8.8% |
| Western Water CompanyServes nearby areas | 0 | 0 | 0 | 0% |
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 Wilmington
The counts above cover the whole water system. To see whether your line is lead, look up your address on Wilmington City PWS'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
- Blanchester37 lead + galv. lines
- Waynesvilleno lead reported
- Morrowno lead reported
- Xenia353 lead + galv. lines
- Jeffersonville19 lead + galv. lines
- Mainevilleno lead reported
- Lebanonno lead reported
- South Lebanonno lead reported
Check another water system
Questions
Does Wilmington, OH have lead pipes?
Yes. Wilmington City PWS, which serves Wilmington, reported 168 lead and 285 galvanized-requiring-replacement service lines, plus 2,702 of unknown material.
Who supplies water to Wilmington?
EPA's service area maps place most of Wilmington in Wilmington City PWS's service area (PWSID OH1401211). Western Water Company also serves parts of the city or nearby areas.
How do I check whether my Wilmington home has a lead service line?
Search your address on Wilmington City PWS'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 Wilmington 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 Wilmington City PWS whether your street is scheduled and whether it covers the private side.