Is Plum, PA tap water safe?
The short answer
3 of the 5 utilities serving Plum have a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and Pennsylvania’s records: Plum Boro Muni Auth, Mawc Sweeney Plant and Wilkinsburg - Penn Jt Water Auth.
Plum Boro Muni Auth, which serves the most people here, has 1 result above the health goal. The worst: Lead at 3.7 ppb, above the health goal. Health goals are stricter than legal limits and are not enforced.
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 Plum’s ZIP codes, from EPA’s estimates.
- Open report
Plum Boro Muni Auth
Pennsylvania · serves 27,500 people · about 20,400 in Plum
1 result above the health goal. The worst: Lead at 3.7 ppb, above the health goal.
1 health-based violation since 2016
- Open report
New Kensington Muni Auth
Pennsylvania · serves 47,800 people · about 7,200 in Plum
2 results above the health goal. The worst: PFOA at 2.0 ppt, above the health goal.
No health-based violations since 2016
- Open report
Oakmont Water Authority
Pennsylvania · serves 39,901 people · about 2,300 in Plum
2 results above the health goal. The worst: Lead at 0.46 ppb, above the health goal.
No health-based violations since 2016
- Open report
Mawc Sweeney Plant
Pennsylvania · serves 143,000 people · about 2,100 in Plum
4 results above the health goal. The worst: PFOA at 2.4 ppt, above the health goal.
2 health-based violations since 2016
- Open report
Wilkinsburg - Penn Jt Water Auth
Pennsylvania · serves 125,000 people · about 430 in Plum
1 result above the legal limit and 1 result above the health goal. The worst: Total trihalomethanes (TTHM) at 64.4 ppb, above the legal limit.
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 Plum Boro Muni Auth’s water, which serves the most people here. Another utility’s report names what handles its own results.
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Brita Tahoe Pitcher with Elite Filter (OB60, OB06)
Pitcher
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 13, 2026
- IAPMO listing:NSF/ANSI 53checked Oct. 13, 2026
Certified for: Lead
Brita Everyday Pitcher with Elite Filter (OB46, OB06)
Pitcher
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 13, 2026
Certified for: Lead
PUR PLUS 11-Cup Pitcher (PPT111W)
Pitcher
- NSF listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 4, 2026
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 4, 2026
- IAPMO listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 4, 2026
Certified for: Lead
Water testing near Plum
The 3 labs Pennsylvania certifies closest to Plum, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
RJ Lee Group, Inc.
Monroeville, PA · about 6 miles
Certified for nitrate, lead and copper, metals, minerals and other inorganics, PFAS, asbestos
Eurofins Pittsburgh
Pittsburgh, PA · about 6 miles
Certified for bacteria
Dream Pools and Spas Inc
Pittsburgh, PA · about 8 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 Plum: 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 Plum
Other towns in Allegheny County with a page of their own.
What to do next
- Read Plum Boro Muni Auth’s full reportEvery result with its dates, the violations, and the certification claim that handles each finding.Open the report
- Filters for LeadRanked by certification and what they cost over five years.The best water filters for lead, ranked
- On a private well?No utility tests a well. A certified lab test is the first step.How to test well water