Pennsylvania · population 19,154
Lead pipes in Lansdale, PA
60 lead or galvanized lines to replace
Most of Lansdale (population 19,154) gets its water from North Penn Water Authority. That system reported 34 lead and 26 galvanized-requiring-replacement service lines out of 35,133, with 0 more of unknown material.
0.2% of North Penn Water Authority'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 <0.1%
- Galvanized (replace) <0.1%
- Unknown 0%
- Non-lead 100%
Latest lead test for North Penn Water Authority (Jun 2025–Sep 2025): 0.5 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 North Penn Water Authority.
Water systems serving Lansdale
| Water system | Lead | Galv. | Unknown | % lead |
|---|---|---|---|---|
| North Penn Water AuthorityMain system | 34 | 26 | 0 | 0.2% |
| North Wales Water AuthorityServes nearby areas | 2 | 3 | 17,382 | <0.1% |
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 Lansdale
The counts above cover the whole water system. To see whether your line is lead, look up your address on North Penn Water Authority'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
- North Wales5 lead + galv. lines
- Hatfield60 lead + galv. lines
- Chalfont8 lead + galv. lines
- Souderton60 lead + galv. lines
- Telford1,123 unknown
- Ambler344 lead + galv. lines
- New Britain17 unknown
- Sellersville60 lead + galv. lines
Check another water system
Questions
Does Lansdale, PA have lead pipes?
Yes. North Penn Water Authority, which serves Lansdale, reported 34 lead and 26 galvanized-requiring-replacement service lines, plus 0 of unknown material.
Who supplies water to Lansdale?
EPA's service area maps place most of Lansdale in North Penn Water Authority's service area (PWSID PA1460034). North Wales Water Authority also serves parts of the city or nearby areas.
How do I check whether my Lansdale home has a lead service line?
Search your address on North Penn Water Authority'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 Lansdale 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 North Penn Water Authority whether your street is scheduled and whether it covers the private side.