Pennsylvania · population 4,329
Lead pipes in Scottdale, PA
249 lead or galvanized lines to replace
Most of Scottdale (population 4,329) gets its water from Mawc Yough Plant. That system reported 135 lead and 114 galvanized-requiring-replacement service lines out of 53,390, with 889 more of unknown material.
0.5% of Mawc Yough Plant'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 0.3%
- Galvanized (replace) 0.2%
- Unknown 1.7%
- Non-lead 98%
Latest lead test for Mawc Yough Plant (Jun 2025–Sep 2025): not detected 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 Mawc Yough Plant.
Water systems serving Scottdale
| Water system | Lead | Galv. | Unknown | % lead |
|---|---|---|---|---|
| Mawc Yough PlantMain system | 135 | 114 | 889 | 0.5% |
| North Fayette Cnty Muni AuthServes nearby areas | 6 | 147 | 12,174 | 0.8% |
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 Scottdale
The counts above cover the whole water system. To see whether your line is lead, look up your address on Mawc Yough Plant'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
- Mount Pleasant249 lead + galv. lines
- Connellsville54 lead + galv. lines
- South Connellsville54 lead + galv. lines
- New Stanton249 lead + galv. lines
- Perryopolis153 lead + galv. lines
- Youngwood249 lead + galv. lines
- West Newton249 lead + galv. lines
- South Greensburg249 lead + galv. lines
Check another water system
Questions
Does Scottdale, PA have lead pipes?
Yes. Mawc Yough Plant, which serves Scottdale, reported 135 lead and 114 galvanized-requiring-replacement service lines, plus 889 of unknown material.
Who supplies water to Scottdale?
EPA's service area maps place most of Scottdale in Mawc Yough Plant's service area (PWSID PA5260036). North Fayette Cnty Muni Auth also serves parts of the city or nearby areas.
How do I check whether my Scottdale home has a lead service line?
Search your address on Mawc Yough Plant'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 Scottdale 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 Mawc Yough Plant whether your street is scheduled and whether it covers the private side.