Is North Huntingdon, PA tap water safe?
Data: U.S. EPA · How we read the data · How we check it
Summary
No federal limits exceeded in EPA data for Municipal Authority of Westmoreland County – Sweeney Plant.
2 public water systems serve parts of North Huntingdon. The largest, Municipal Authority of Westmoreland County – Sweeney Plant, serves 143,000 people. Your water bill names your system.
Largest system
Municipal Authority of Westmoreland County – Sweeney Plant
143,000 people · Surface water · EPA ID PA5650032
| PFAS | Highest average | Limit |
|---|---|---|
| PFOA Not detected | – | 4 ppt |
| PFOS Not detected | – | 4 ppt |
| PFHxS Not detected | – | 10 ppt |
| PFNA Not detected | – | 10 ppt |
| HFPO-DA (GenX) Not detected | – | 10 ppt |
ppt = parts per trillion. "Highest average" is the highest average at any of the system's entry points, the way EPA compares results with the limits.
Lead: 3.48 ppb at the 90th percentile (Sep 2025, and 9 in 10 homes sampled were at or below it) Below action level
Health-based violations since 2016: 2
Full Municipal Authority of Westmoreland County – Sweeney Plant results
Across Pennsylvania, 85 of 360 water systems EPA tested had PFAS above a 2024 federal limit, and 76 systems were above the lead action level in results from the last five years. Pennsylvania results.
North Huntingdon homes and lead pipes
Lead service lines and lead solder were allowed until 1986, so homes from before then are the ones to check. How to check your own line.
Housing: Census American Community Survey 2020–2024 5-year estimates for North Huntingdon township (tables B25034, B25003). Estimates for small places have a margin of error.
Other water systems serving North Huntingdon
How nearby cities compare
| City | PFAS | Lead (90th pct.) |
|---|---|---|
| Monroeville 7 mi Wilkinsburg-Penn Joint Water Authority | None above limits | 9.78 ppb |
| Hempfield 8 mi Municipal Authority of Westmoreland County – Yough Plant | None above limits | 0 ppb |
| Plum 12 mi Plum Borough Municipal Authority | None above limits | 3.7 ppb |
| Pittsburgh 15 mi Pennsylvania American Water – Pittsburgh | None above limits | 4 ppb |
| Bethel Park 16 mi Pennsylvania American Water – Pittsburgh | None above limits | 4 ppb |
| Shaler 18 mi Pittsburgh Water & Sewer Authority | None above limits | 2 ppb |
North Huntingdon ZIP codes (1)
- 15642
Questions
Is North Huntingdon tap water safe to drink?
Municipal Authority of Westmoreland County – Sweeney Plant had 2 health-based violations since 2016. Utility data can't show lead from your own pipes: if your home was built before 1986, test your tap. Your utility's annual Consumer Confidence Report is the official summary.
Who supplies water in North Huntingdon, PA?
2 public water systems serve parts of North Huntingdon. The largest is Municipal Authority of Westmoreland County – Sweeney Plant (143,000 people). Your water bill names your system. The EPA ID is also on your utility's Consumer Confidence Report.
Does North Huntingdon tap water have PFAS?
None detected above EPA's reporting limits. Municipal Authority of Westmoreland County – Sweeney Plant had no PFAS detected in EPA's 2023–2025 testing. "Not detected" means below the reporting limit (about 2 to 20 ppt), not proven zero.
Do North Huntingdon homes have lead pipes?
Census estimates put 69% of North Huntingdon homes as built before 1980 (Pennsylvania: 67%). Lead service lines and lead solder were allowed until 1986, so older homes are more likely to have them. Municipal Authority of Westmoreland County – Sweeney Plant's service line inventory says what your line is made of. The only way to know for your home is to check the line where it enters the house and test your tap.
Source: U.S. EPA drinking water records and PFAS testing (UCMR 5). How we read the data.