Chester County, PA · PWSID PA1150098
Aqua PA West Chester lead service lines
39 lead or galvanized lines to replace
Aqua PA West Chester reported 12 lead and 27 galvanized-requiring-replacement service lines out of 14,125 in its inventory. That's about 1 in 362 lines. Another 2,617 (19%) are still listed as unknown material.
Ranks #135 of 399 Pennsylvania systems with confirmed lead lines, and #2,884 nationally.
0.3% of Aqua PA West Chester's service lines are lead or galvanized requiring replacement. That's lower than the Pennsylvania average (2.9%) and lower than the national average (3.1%).
- Lead <0.1%
- Galvanized (replace) 0.2%
- Unknown 19%
- Non-lead 81%
Total service lines reported: 14,125. Reported all required service line types. Population served: 48,600; 13,412 connections.
Lead test results
Aqua PA West Chester's most recent 90th-percentile lead result (Jun 2025–Sep 2025) was not detected, 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 153 in 2025 Q1 to 39 in 2026 Q3: down 114 (75%). Lines of unknown material went from 3,015 to 2,617, down 398 (13%).
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 Aqua PA West Chester 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
Aqua PA West Chester's main water source is surface water (rivers, lakes or reservoirs). It buys treated water from Aqua PA Main System, Chester Water Authority. The seller treats the water, including corrosion control that keeps lead from dissolving out of pipes, while Aqua PA West Chester is responsible for its own service line inventory and replacement program. It sells water to 3 other water systems: Aqua PA Spring Run, Longwood Gardens, Aqua PA Main System.
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 Aqua PA West Chester 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 Chester County
Cities served
ZIP codes served
ZIP codes whose center falls inside Aqua PA West Chester's mapped service area (EPA service area boundaries). Neighboring utilities may serve parts of the same ZIP.
193801938219383
Other water systems nearby
| System | Lead + galv. | Unknown |
|---|---|---|
| PA American Royersford | 121 | 17,136 |
| PA American Coatesville | 282 | 13,131 |
| Downingtown Water Authority | 21 | 2,301 |
| Oxford Borough | 152 | 460 |
| Honey Brook Boro Water | 5 | 194 |
| West Grove Borough | 417 | 0 |
| Borough of Atglen | 12 | 13 |
| Borough of Avondale | 67 | 0 |
Check another water system
Questions
Does Aqua PA West Chester have lead pipes?
Yes. Aqua PA West Chester reported 12 lead service lines and 27 galvanized lines that must be replaced, out of 14,125 total. 2,617 more are of unknown material.
How do I check if my home's service line is lead?
Look up your address on Aqua PA West Chester'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 Aqua PA West Chester 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 Aqua PA West Chester had lead violations?
EPA's data shows no Lead and Copper Rule violations since 2015 for Aqua PA West Chester.
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, "Aqua PA West Chester lead service lines," https://leadpipemap.com/pa/aqua-pa-west-chester/. Source: EPA SDWIS service line inventory, 2026 Q3. Download the full dataset on the data page.