Pennsylvania · population 3,558
Lead pipes in Slippery Rock, PA
394 lines still unidentified
Most of Slippery Rock (population 3,558) gets its water from Slippery Rock Muni Auth. It reported no confirmed lead service lines, but 394 of 564 lines are still listed as unknown material, so lead hasn't been ruled out.
0% of Slippery Rock 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 0%
- Galvanized (replace) 0%
- Unknown 70%
- Non-lead 30%
Latest lead test for Slippery Rock Muni Auth (Jun 2025–Sep 2025): 0.6 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 Slippery Rock Muni Auth.
Water systems serving Slippery Rock
| Water system | Lead | Galv. | Unknown | % lead |
|---|---|---|---|---|
| Slippery Rock Muni AuthMain system | 0 | 0 | 394 | 0% |
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 Slippery Rock
The counts above cover the whole water system. To see whether your line is lead, look up your address on Slippery Rock 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
- Grove120 lead + galv. lines
- Mercer1,071 lead + galv. lines
- New Wilmington35 unknown
- New Castle1,330 lead + galv. lines
- Butler372 lead + galv. lines
- Ellport103 lead + galv. lines
- Ellwood103 lead + galv. lines
- Zelienopleno lead reported
Check another water system
Questions
Does Slippery Rock, PA have lead pipes?
None are confirmed, but Slippery Rock Muni Auth still lists 394 service lines as unknown material.
Who supplies water to Slippery Rock?
EPA's service area maps place most of Slippery Rock in Slippery Rock Muni Auth's service area (PWSID PA5100079).
How do I check whether my Slippery Rock home has a lead service line?
Search your address on Slippery Rock 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 Slippery Rock 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 Slippery Rock Muni Auth whether your street is scheduled and whether it covers the private side.