Is York, PA tap water safe?
The short answer
2 of the 2 utilities serving York have a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and Pennsylvania’s records: York Water Co and Wherley Park.
York Water Co, which serves the most people here, has 3 results above the health goal. The worst: PFOS at 2.3 ppt, 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 York’s ZIP codes, from EPA’s estimates.
- Open report
York Water Co
Pennsylvania · serves 206,762 people · about 25,500 in York
3 results above the health goal. The worst: PFOS at 2.3 ppt, above the health goal.
1 health-based violation since 2016
- Open report
Wherley Park
Pennsylvania · serves 34 people · based in York
1 result above the action level and 1 result above the health goal. The worst: Lead at 22.5 ppb, above the action level.
No 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 York Water Co’s water, which serves the most people here. Another utility’s report names what handles its own results.
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ZeroWater 10 Cup Pitcher (ZP-010)
Pitcher
- IAPMO listing:NSF/ANSI 42NSF/ANSI 53checked Oct. 4, 2026
Certified for: PFOS, PFOA, Lead
Aquasana Claryum Direct Connect (AQ-MF-1)
Under-sink carbon
- IAPMO listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 16, 2026
Certified for: PFOS, PFOA, Lead
Express Water StreamLine Direct Connect System (USC001)
Under-sink carbon
- IAPMO listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 16, 2026
Certified for: PFOS, PFOA, Lead
Water testing near York
The 3 labs Pennsylvania certifies closest to York, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
ALS Environmental - Middletown
Middletown, PA · about 16 miles
Certified for bacteria, nitrate, lead and copper, metals, minerals and other inorganics, organic chemicals, disinfection byproducts, PFAS, radioactivity
Laboratory, Analytical and Biological Services, Inc
New Oxford, PA · about 19 miles
Certified for bacteria, nitrate, lead and copper, metals, minerals and other inorganics
H2O Environmental LLC
Harrisburg, PA · about 21 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 York: 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 York
Other towns in York County with a page of their own.
What to do next
- Read York Water Co’s full reportEvery result with its dates, the violations, and the certification claim that handles each finding.Open the report
- Filters for PFOSRanked by certification and what they cost over five years.The best water filters for PFAS, ranked
- On a private well?No utility tests a well. A certified lab test is the first step.How to test well water