Allegheny County, PA · PWSID PA5020039
PA Amer Water Co-Pittsburgh lead service lines
6,070 lead or galvanized lines to replace
PA Amer Water Co-Pittsburgh reported 4,290 lead and 1,780 galvanized-requiring-replacement service lines out of 230,084 in its inventory. That's about 1 in 38 lines. Another 207,101 (90%) are still listed as unknown material.
Ranks #5 of 399 Pennsylvania systems with confirmed lead lines, and #82 nationally.
2.6% of PA Amer Water Co-Pittsburgh's service lines are lead or galvanized requiring replacement. That's about the same as the Pennsylvania average (2.9%) and about the same as the national average (3.1%).
- Lead 1.9%
- Galvanized (replace) 0.8%
- Unknown 90%
- Non-lead 7.4%
Total service lines reported: 230,084. Reported all required service line types. Population served: 686,000; 215,173 connections.
Lead test results
PA Amer Water Co-Pittsburgh's most recent 90th-percentile lead result (Jun 2025–Sep 2025) was 4 ppb, below both the 15 ppb action level and the 10 ppb level that takes effect in 2027. This means 90% of homes sampled were at or below that level; individual homes, especially those with lead lines, can be higher.
Lead and Copper Rule 90th-percentile results reported to EPA, in parts per billion. Dashed lines: 15 ppb action level and the 10 ppb level from November 1, 2027.
Progress since 2025 Q1
Reported lead and galvanized-requiring-replacement lines went from 5,159 in 2025 Q1 to 6,070 in 2026 Q3: up 911 (18%). Lines of unknown material went from 218,759 to 207,101, down 11,658 (5.3%).
Quarterly counts reported to EPA. A drop usually means lines were replaced or confirmed non-lead; a rise usually means more lines were identified. Replacement progress rankings.
Lead rule violations
EPA's data lists no Lead and Copper Rule violations for PA Amer Water Co-Pittsburgh since 2015. That covers testing, reporting, corrosion control and public notice requirements; it isn't a guarantee about any individual home.
Source: EPA SDWIS violation records for the Lead and Copper Rule.
Where the water comes from
PA Amer Water Co-Pittsburgh's main water source is surface water (rivers, lakes or reservoirs). It buys treated water from Pittsburgh Water & Sewer Auth, West Cnty Muni Auth-McKeesport. The seller treats the water, including corrosion control that keeps lead from dissolving out of pipes, while PA Amer Water Co-Pittsburgh is responsible for its own service line inventory and replacement program. It sells water to 8 other water systems: Western Allegheny County Mun A, Pittsburgh Water & Sewer Auth, Oakdale Boro Water Dept, Findlay TWP Municipal Auth, Mawc Yough Plant, South Park MHC LLC, Washington Estates MHC LLC, Washington Estates II MHC LLC.
Source: EPA SDWIS water system and facility records.
Check your own address
These counts cover the whole system. To see whether your line is lead, use the utility's address-level inventory. Utilities had to prepare one by October 16, 2024 and make it publicly accessible; systems serving more than 50,000 people must post it online.
No map yet? Do the 2-minute scratch and magnet test on the pipe where water enters your home.
Protect your drinking water now
If your line is lead, galvanized or unknown, filter water for drinking, cooking and baby formula. Use a filter certified to NSF/ANSI 53 for lead. Run cold water for a few minutes after it sits for hours, and never use hot tap water for cooking.
How to pick a lead-certified filter · How to test your water for lead
Getting the line replaced
EPA's Lead and Copper Rule Improvements require most systems to replace lead and galvanized-requiring-replacement lines by December 31, 2037. Ask PA Amer Water Co-Pittsburgh whether it replaces the private side for free or with a cost share before you hire anyone. If you want it done sooner, or your utility doesn't cover your side, a licensed plumber can quote it. What replacement costs.
County pages: Lead pipes in Allegheny County
Cities served
- Lead pipes in Bethel Park
- Lead pipes in Baldwin
- Lead pipes in West Mifflin
- Lead pipes in Whitehall
- Lead pipes in Washington
- Lead pipes in Jefferson Hills
- Lead pipes in Munhall
- Lead pipes in Brentwood
- Lead pipes in Canonsburg
- Lead pipes in Pleasant Hills
- Lead pipes in Castle Shannon
- Lead pipes in Dormont
- Lead pipes in Carnegie
- Lead pipes in Clairton
- Lead pipes in Crafton
- Lead pipes in Green Tree
- Lead pipes in Bridgeville
- Lead pipes in Glassport
- Lead pipes in Monongahela
- Lead pipes in Mount Oliver
- Lead pipes in Ingram
- Lead pipes in Homestead
- Lead pipes in Liberty
- Lead pipes in New Eagle
ZIP codes served
ZIP codes whose center falls inside PA Amer Water Co-Pittsburgh's mapped service area (EPA service area boundaries). Neighboring utilities may serve parts of the same ZIP.
15004150171502515031150341503715038150451504715053150551505715060150631506415067150781508215088151021510615120151221512315129151421520415210152161522015226152271522815234152361524115243153011531715321153321534015342153471535015363153671537815379
Other water systems nearby
| System | Lead + galv. | Unknown |
|---|---|---|
| Pittsburgh Water & Sewer Auth | 18,415 | 2,361 |
| West View Water Authority | 772 | 18,428 |
| Wilkinsburg-Penn JT Water Auth | 3,838 | 5,828 |
| Hampton Shaler Water Authority | 236 | 23,919 |
| West Cnty Muni Auth-McKeesport | 1,515 | 6,238 |
| Fox Chapel Auth | 16 | 56 |
| Coraopolis Water & Sewer Auth | 59 | 2,209 |
| Aspinwall Boro Water Dept | 72 | 17 |
Check another water system
Questions
Does PA Amer Water Co-Pittsburgh have lead pipes?
Yes. PA Amer Water Co-Pittsburgh reported 4,290 lead service lines and 1,780 galvanized lines that must be replaced, out of 230,084 total. 207,101 more are of unknown material.
How do I check if my home's service line is lead?
Look up your address on PA Amer Water Co-Pittsburgh's official service line inventory, which utilities must make publicly available. You can also scratch the pipe where it enters your home: lead is soft, dull gray, scratches to shiny silver and does not attract a magnet.
When will PA Amer Water Co-Pittsburgh replace lead service lines?
Under EPA's Lead and Copper Rule Improvements, most systems must replace lead and galvanized-requiring-replacement lines by December 31, 2037, starting from November 1, 2027. The rule is being challenged in court, so dates could change. Many utilities run free or cost-share programs now.
Has PA Amer Water Co-Pittsburgh had lead violations?
EPA's data shows no Lead and Copper Rule violations since 2015 for PA Amer Water Co-Pittsburgh.
Which water filters remove lead?
Use a filter certified to NSF/ANSI Standard 53 for lead reduction, or NSF/ANSI 58 for reverse osmosis. Check the certification on NSF's listings, not just the box.
Embed or cite this data
Local news sites, blogs and community groups can embed this card. It updates when EPA releases new data.
Citation: Lead Pipe Map, "PA Amer Water Co-Pittsburgh lead service lines," https://leadpipemap.com/pa/pa-amer-water-co-pittsburgh/. Source: EPA SDWIS service line inventory, 2026 Q3. Download the full dataset on the data page.