Lead pipes in Allegheny County, Pennsylvania
How many lead pipes are in Allegheny County, PA?
Water systems based in Allegheny County reported 26,568 lead service lines, 4,449 galvanized lines that need replacing and 305,691 lines of unknown material to EPA (Q3 2026). Pittsburgh has the most, with 18,415 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 Allegheny County
- Pittsburgh: Free for income-qualified owners.
- Pittsburgh suburbs (PA American Water): No direct cost to the customer.
- Wilkinsburg & Penn Hills: PENNVEST-funded phases.
Every Allegheny 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 |
|---|---|---|---|---|
| Pittsburgh Pittsburgh Water & Sewer Auth | 16,165 | 2,250 | 2,361 | Free for eligible owners |
| Pittsburgh suburbs (PA American Water) PA Amer Water Co-Pittsburgh | 4,290 | 1,780 | 207,101 | Free, utility schedules |
| Wilkinsburg & Penn Hills Wilkinsburg-Penn JT Water Auth | 3,704 | 134 | 5,828 | Replacing lines; ask about cost |
| McKeesport West Cnty Muni Auth-McKeesport | 1,450 | 65 | 6,238 | Not confirmed |
| West View West View Water Authority | 567 | 205 | 18,428 | Not confirmed |
| Hampton Shaler Hampton Shaler Water Authority | 234 | 2 | 23,919 | Not confirmed |
| Aspinwall Boro Aspinwall Boro Water Dept | 72 | 0 | 17 | Not confirmed |
| Coraopolis Coraopolis Water & Sewer Auth | 49 | 10 | 2,209 | Not confirmed |
| Fox Chapel Auth Fox Chapel Auth | 16 | 0 | 56 | Not confirmed |
| Reserve TWP Reserve TWP Water Dept | 12 | 0 | 542 | Not confirmed |
| Sewickley Boro Water Auth Sewickley Boro Water Auth | 8 | 0 | 2,085 | Not confirmed |
| Monroeville Municipal Auth Monroeville Municipal Auth | 0 | 3 | 4,812 | Not confirmed |
| Blawnox Boro Blawnox Boro Water Dept | 1 | 0 | 648 | Not confirmed |
| Harrison TWP Water Auth Harrison TWP Water Auth | 0 | 0 | 2,648 | Not confirmed |
| Findlay TWP Municipal Auth Findlay TWP Municipal Auth | 0 | 0 | 2,677 | Not confirmed |
| Plum Boro Muni Auth Plum Boro Muni Auth | 0 | 0 | 8,284 | Not confirmed |
| Oakmont Oakmont Water Authority | 0 | 0 | 13,726 | Not confirmed |
| Duquesne Duquesne Water Dept | 0 | 0 | 1,882 | Not confirmed |
| Edgeworth Boro Muni Auth Edgeworth Boro Muni Auth | 0 | 0 | 2,230 | Not confirmed |
Common questions
How many lead pipes are in Allegheny County, PA?
Water systems based in Allegheny County reported 26,568 lead service lines, 4,449 galvanized lines that need replacing and 305,691 lines of unknown material to EPA (Q3 2026). Pittsburgh has the most, with 18,415 lead and galvanized lines.
Who pays to replace lead service lines in Allegheny 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 3 Allegheny 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.
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