Pennsylvania · population 2,583
Lead pipes in Derry, PA
52 lead or galvanized lines to replace
Most of Derry (population 2,583) gets its water from Derry Boro Muni Auth. That system reported 34 lead and 18 galvanized-requiring-replacement service lines out of 2,419, with 1,988 more of unknown material.
2.1% of Derry Boro Muni Auth's service lines are lead or galvanized requiring replacement, lower than the Pennsylvania average (2.9%) and lower than the national average (3.1%).
- Lead 1.4%
- Galvanized (replace) 0.7%
- Unknown 82%
- Non-lead 16%
Latest lead test for Derry Boro Muni Auth (Jun 2025–Sep 2025): 1 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 Derry Boro Muni Auth.
Water systems serving Derry
| Water system | Lead | Galv. | Unknown | % lead |
|---|---|---|---|---|
| Derry Boro Muni AuthMain system | 34 | 18 | 1,988 | 2.1% |
| Latrobe Muni AuthServes nearby areas | 45 | 273 | 1,358 | 3.6% |
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 Derry
The counts above cover the whole water system. To see whether your line is lead, look up your address on Derry Boro Muni 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
- Latrobe318 lead + galv. lines
- Ligonier18 lead + galv. lines
- Blairsville106 lead + galv. lines
- Greensburg2,680 lead + galv. lines
- Southwest Greensburg2,680 lead + galv. lines
- South Greensburg249 lead + galv. lines
- Delmont2,680 lead + galv. lines
- Youngwood249 lead + galv. lines
Check another water system
Questions
Does Derry, PA have lead pipes?
Yes. Derry Boro Muni Auth, which serves Derry, reported 34 lead and 18 galvanized-requiring-replacement service lines, plus 1,988 of unknown material.
Who supplies water to Derry?
EPA's service area maps place most of Derry in Derry Boro Muni Auth's service area (PWSID PA5650049). Latrobe Muni Auth also serves parts of the city or nearby areas.
How do I check whether my Derry home has a lead service line?
Search your address on Derry Boro Muni 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 Derry 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 Derry Boro Muni Auth whether your street is scheduled and whether it covers the private side.