Is Centerville, PA tap water safe?
The short answer
2 of the 3 utilities serving Centerville have a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and Pennsylvania’s records: Tri Cnty Jt Muni Auth and Southwestern PA Water Auth.
Tri Cnty Jt Muni Auth, which serves the most people here, has 1 result above the legal limit and 4 results above the health goal. The worst: Total trihalomethanes (TTHM) at 71.2 ppb, above the legal limit.
A town can be served by more than one utility, and some homes are on private wells. The name on your water bill tells you which is yours, and your ZIP code narrows it down. They are listed by how many people each serves in Centerville’s ZIP codes, from EPA’s estimates.
- Open report
Tri Cnty Jt Muni Auth
Pennsylvania · serves 10,100 people · about 2,200 in Centerville
1 result above the legal limit and 4 results above the health goal. The worst: Total trihalomethanes (TTHM) at 71.2 ppb, above the legal limit.
49 health-based violations since 2016
- Open report
PA - American Water - Brownsville
Pennsylvania · serves 7,844 people · about 2,000 in Centerville
1 result above the health goal and 1 result above EPA’s health benchmark. The worst: Lithium at 15.1 ppb, above EPA’s health benchmark.
No health-based violations since 2016
- Open report
Southwestern PA Water Auth
Pennsylvania · serves 40,200 people · about 300 in Centerville
4 results above the health goal. The worst: PFOA at 3.0 ppt, above the health goal.
2 health-based violations since 2016
What handles it
Each of these is certified, on a certifier’s listing, for a result above a line in Tri Cnty Jt Muni Auth’s water, which serves the most people here. Another utility’s report names what handles its own results.
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Aquasana SmartFlow Reverse Osmosis (AQ-SFRO2)
Under-sink reverse osmosis
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 58NSF/ANSI 401checked Oct. 9, 2026
Certified for: Total trihalomethanes (TTHM), PFOA, PFOS, Lead, Arsenic
Brondell Capella RC250 Reverse Osmosis System
Under-sink reverse osmosis
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 58NSF/ANSI 401checked Oct. 9, 2026
Certified for: Total trihalomethanes (TTHM), PFOA, PFOS, Lead, Arsenic
Countertop reverse osmosis
- IAPMO listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 58NSF/ANSI 401checked Oct. 4, 2026
Certified for: Total trihalomethanes (TTHM), PFOA, PFOS, Lead, Arsenic
Water testing near Centerville
The 3 labs Pennsylvania certifies closest to Centerville, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
Dream Pools and Spas Inc
Pittsburgh, PA · about 8 miles
Certified for bacteria
RJ Lee Group, Inc.
Monroeville, PA · about 10 miles
Certified for nitrate, lead and copper, metals, minerals and other inorganics, PFAS, asbestos
Eurofins Pittsburgh
Pittsburgh, PA · about 12 miles
Certified for bacteria
Penn State Agricultural Analytical Services Laboratory: Drinking water test kits from many county Extension offices, mailed back to the lab overnight with payment. Packages cover bacteria and basic chemistry, with add-ons for nitrate, metals, lead, and mining or gas drilling concerns. The standard package of bacteria, pH and total dissolved solids is $60, or $70 with nitrate; bacteria alone is $40, nitrate $15 and lead $25. Drinking Water Testing, Penn State Agricultural Analytical Services Lab.
All 108 certified labs for PennsylvaniaWhich ZIP codes are in Centerville: Census 2020 relationship files. Which utilities serve them, and how many people: EPA SDWIS and EPA’s service area map. Each utility’s results: EPA UCMR 5, EPA SDWIS, and EPA’s and the state’s compliance monitoring, as its report lists them. How they are measured: methodology. Certified labs: Pennsylvania DEP Laboratory Accreditation Program, accredited labs for drinking water; distances from the Census 2020 ZIP code tabulation area gazetteer.
Near Centerville
Other towns in Washington County with a page of their own.
What to do next
- Read Tri Cnty Jt Muni Auth’s full reportEvery result with its dates, the violations, and the certification claim that handles each finding.Open the report
- About Total trihalomethanes (TTHM)What it does to health, where it comes from, and the certification claim that addresses it.About Total trihalomethanes (TTHM)
- On a private well?No utility tests a well. A certified lab test is the first step.How to test well water