Is Collinsburg, PA tap water safe?
The short answer
3 of the 3 utilities serving Collinsburg have a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and Pennsylvania’s records: Mawc Yough Plant, Belle Vernon Boro Muni Auth and Muni Auth of Washington Twp.
Mawc Yough Plant, which serves the most people here, has 1 result above the legal limit and 3 results above the health goal. The worst: Haloacetic acids (HAA5) at 54.7 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 Collinsburg’s ZIP codes, from EPA’s estimates.
- Open report
Mawc Yough Plant
Pennsylvania · serves 133,000 people · about 530 in Collinsburg
1 result above the legal limit and 3 results above the health goal. The worst: Haloacetic acids (HAA5) at 54.7 ppb, above the legal limit.
2 health-based violations since 2016
- Open report
Belle Vernon Boro Muni Auth
Pennsylvania · serves 6,000 people · under 100 in Collinsburg
1 result above the health goal. The worst: Lead at 1.8 ppb, above the health goal.
2 health-based violations since 2016
- Open report
Muni Auth of Washington Twp
Pennsylvania · serves 9,100 people · under 100 in Collinsburg
3 results above the health goal. The worst: PFOA at 2.5 ppt, above the health goal.
6 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 Mawc Yough Plant’s water, which serves the most people here. Another utility’s report names what handles its own results.
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Countertop reverse osmosis
- IAPMO listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 58NSF/ANSI 401checked Oct. 4, 2026
Certified for: PFOA, PFOS, Arsenic
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: PFOA, PFOS, 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: PFOA, PFOS, Arsenic
Water testing near Collinsburg
The 3 labs Pennsylvania certifies closest to Collinsburg, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
Pace Analytical Services, LLC-Van Voorhis
Van Voorhis, PA · about 10 miles
Certified for bacteria
Pace Analytical Services LLC - Greensburg PA
Greensburg, PA · about 16 miles
Certified for metals, radioactivity
RJ Lee Group, Inc.
Monroeville, PA · about 16 miles
Certified for nitrate, lead and copper, metals, minerals and other inorganics, PFAS, asbestos
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 Collinsburg: 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 Collinsburg
Other towns in Westmoreland County with a page of their own.
What to do next
- Read Mawc Yough Plant’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