Lead pipes in Mercer County, Pennsylvania
How many lead pipes are in Mercer County, PA?
Water systems based in Mercer County reported 145 lead service lines, 1,455 galvanized lines that need replacing and 9,370 lines of unknown material to EPA (Q3 2026). Shenango Valley (Aqua PA) has the most, with 1,071 lead and galvanized lines.
Free replacement program confirmed
Who pays in Pennsylvania
Pennsylvania's Act 120 lets PUC-regulated water utilities replace customer-owned lead service lines and recover the cost through rates, and it prohibits partial replacement. The PUC's 2022 rules require utilities to file replacement programs; Aqua Pennsylvania's was approved in April 2025 for up to 1,500 customer lines a year. City systems such as Philadelphia and Pittsburgh set their own terms.
Confirmed programs in Mercer County
- Shenango Valley (Aqua PA): No direct cost, by phase.
- Greenville (Aqua PA): No direct cost, by phase.
Every Mercer County water system with lead lines
Systems are grouped by the county EPA lists as their main service area. Some serve towns in neighboring counties too.
| Water system | Lead | Galv. | Unknown | Program |
|---|---|---|---|---|
| Shenango Valley (Aqua PA) Aqua PA Shenango Valley WTP | 6 | 1,065 | 5,844 | Free, utility schedules |
| Greenville (Aqua PA) Aqua PA Greenville | 70 | 265 | 1,572 | Free, utility schedules |
| Grove City Boro Grove City Boro Water Dept | 0 | 120 | 395 | Not confirmed |
| Sharpsville Boro Water Co Sharpsville Boro Water Co | 68 | 0 | 1,055 | Not confirmed |
| Reynolds Reynolds Water Company | 1 | 4 | 6 | Not confirmed |
| Lake Latonka WTP Aqua PA Lake Latonka WTP | 0 | 1 | 498 | Not confirmed |
Common questions
How many lead pipes are in Mercer County, PA?
Water systems based in Mercer County reported 145 lead service lines, 1,455 galvanized lines that need replacing and 9,370 lines of unknown material to EPA (Q3 2026). Shenango Valley (Aqua PA) has the most, with 1,071 lead and galvanized lines.
Who pays to replace lead service lines in Mercer County?
It depends on your water utility. Pennsylvania's Act 120 lets PUC-regulated water utilities replace customer-owned lead service lines and recover the cost through rates, and it prohibits partial replacement. We have confirmed programs for 2 Mercer County utilities, listed on this page.
How do I find out if my house has a lead service line?
Look up your address on your water utility's service line inventory map, or check the pipe where it enters your home: lead is dull gray, soft, scratches to shiny silver, and a magnet won't stick. See our step-by-step guide.
Other Pennsylvania counties
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