Pennsylvania · population 6,886
Lead pipes in Ambridge, PA
1,138 lead or galvanized lines to replace
Most of Ambridge (population 6,886) gets its water from Ambridge Water Auth. That system reported 1,138 lead and 0 galvanized-requiring-replacement service lines out of 8,163, with 6,300 more of unknown material.
14% of Ambridge Water Auth's service lines are lead or galvanized requiring replacement, higher than the Pennsylvania average (2.9%) and higher than the national average (3.1%).
- Lead 14%
- Galvanized (replace) 0%
- Unknown 77%
- Non-lead 8.9%
Latest lead test for Ambridge Water Auth (Jun 2025–Sep 2025): 9.3 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 Ambridge Water Auth.
Water systems serving Ambridge
| Water system | Lead | Galv. | Unknown | % lead |
|---|---|---|---|---|
| Ambridge Water AuthMain system | 1,138 | 0 | 6,300 | 14% |
| Mun Water Auth of AliquippaServes nearby areas | 105 | 37 | 3,618 | 2.4% |
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 Ambridge
The counts above cover the whole water system. To see whether your line is lead, look up your address on Ambridge Water Auth'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
Check another water system
Questions
Does Ambridge, PA have lead pipes?
Yes. Ambridge Water Auth, which serves Ambridge, reported 1,138 lead and 0 galvanized-requiring-replacement service lines, plus 6,300 of unknown material.
Who supplies water to Ambridge?
EPA's service area maps place most of Ambridge in Ambridge Water Auth's service area (PWSID PA5040008). Mun Water Auth of Aliquippa also serves parts of the city or nearby areas.
How do I check whether my Ambridge home has a lead service line?
Search your address on Ambridge Water Auth'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 Ambridge 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 Ambridge Water Auth whether your street is scheduled and whether it covers the private side.