Is Parker, PA tap water safe?
The short answer
2 of the 2 utilities serving Parker have a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and Pennsylvania’s records: Parker Area Water Auth and Perryville Water Association.
Parker Area Water Auth, which serves the most people here, has 2 results above the legal limit and 4 results above the health goal. The worst: Haloacetic acids (HAA5) at 90 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 Parker’s ZIP codes, from EPA’s estimates.
- Open report
Parker Area Water Auth
Pennsylvania · serves 900 people · under 100 in Parker
2 results above the legal limit and 4 results above the health goal. The worst: Haloacetic acids (HAA5) at 90 ppb, above the legal limit.
32 health-based violations since 2016
- Open report
Perryville Water Association
Pennsylvania · serves 120 people · under 100 in Parker
1 result above EPA’s new limit, which takes effect in 2029 and 2 results above the health goal. The worst: PFOA at 9.4 ppt, above EPA’s new limit, which takes effect in 2029.
1 health-based violation since 2016
What handles it
Each of these is certified, on a certifier’s listing, for a result above a line in Parker Area Water 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), PFOS, PFOA, 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), PFOS, PFOA, Lead, Arsenic
Countertop reverse osmosis
- IAPMO listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 58NSF/ANSI 401checked Oct. 4, 2026
Certified for: Total trihalomethanes (TTHM), PFOS, PFOA, Lead, Arsenic
Water testing near Parker
The 3 labs Pennsylvania certifies closest to Parker, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
Kevco Services, Inc
Butler, PA · about 22 miles
Certified for bacteria
Eurofins Drinking Water and Wastewater Northeast
Kittaning, PA · about 23 miles
Certified for bacteria, nitrate, metals, minerals and other inorganics
G & C Coal Analysis Lab Inc
Summerville, PA · about 25 miles
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 PennsylvaniaZIP codes in Parker
Which ZIP codes are in Parker: 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 Parker
Other towns in Butler County with a page of their own.
What to do next
- Read Parker Area Water Auth’s full reportEvery result with its dates, the violations, and the certification claim that handles each finding.Open the report
- About Haloacetic acids (HAA5)What it does to health, where it comes from, and the certification claim that addresses it.About Haloacetic acids (HAA5)
- On a private well?No utility tests a well. A certified lab test is the first step.How to test well water