Tap Water Results

Is Bethel Park, 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 Pennsylvania American Water – Pittsburgh.

Pennsylvania American Water – Pittsburgh supplies Bethel Park (686,000 people).

Water system

Pennsylvania American Water – Pittsburgh

686,000 people · Surface water · EPA ID PA5020039

Buys treated water from West County Municipal Authority – McKeesport, Pittsburgh Water & Sewer Authority.

PFASHighest averageLimitStatus
PFOA
Not detected
–4 pptNot detected
PFOS
Not detected
–4 pptNot detected
PFHxS
Not detected
–10 pptNot detected
PFNA
Not detected
–10 pptNot detected
HFPO-DA (GenX)
Not detected
–10 pptNot detected

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: 4 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: 1

Full Pennsylvania American Water – Pittsburgh 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.

Bethel Park homes and lead pipes

74%
of homes built before 1980 (Pennsylvania 67%, US 50%)
17%
built before 1950 (Pennsylvania 32%)
24%
of households rent (Pennsylvania 31%)

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 Bethel Park municipality (tables B25034, B25003). Estimates for small places have a margin of error.

How nearby cities compare

CityMain water systemPFASLead (90th pct.)
Pittsburgh 9 mi
Pennsylvania American Water – Pittsburgh
Pennsylvania American Water – PittsburghNone above limits4 ppb
Ross 14 mi
West View Water Authority
West View Water AuthorityNone above limits0 ppb
Shaler 14 mi
Pittsburgh Water & Sewer Authority
Pittsburgh Water & Sewer AuthorityNone above limits2 ppb
Moon 16 mi
Moon Township Municipal Authority
Moon Township Municipal AuthorityAbove limit1.87 ppb
North Huntingdon 16 mi
Municipal Authority of Westmoreland County – Sweeney Plant
Municipal Authority of Westmoreland County – Sweeney PlantNone above limits3.48 ppb
Monroeville 16 mi
Wilkinsburg-Penn Joint Water Authority
Wilkinsburg-Penn Joint Water AuthorityNone above limits9.78 ppb
Bethel Park ZIP codes (1)
  • 15102

Questions

Is Bethel Park tap water safe to drink?

Pennsylvania American Water – Pittsburgh had 1 health-based violation 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 Bethel Park, PA?

Pennsylvania American Water – Pittsburgh, which serves 686,000 people.

Does Bethel Park tap water have PFAS?

None detected above EPA's reporting limits. Pennsylvania American Water – Pittsburgh 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 Bethel Park homes have lead pipes?

Census estimates put 74% of Bethel Park 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. Pennsylvania American Water – Pittsburgh'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.