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Is Exton, PA tap water safe?

2 utilities serve Exton, by EPA’s records. Here is what EPA’s and Pennsylvania’s records show for each, against the legal limits and the stricter health goals.

Matched to your utility using EPA records.

The short answer

1 of the 2 utilities serving Exton has a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and Pennsylvania’s records: Aqua PA Main System.

Aqua PA Uwchlan, which serves the most people here, has 2 results above EPA’s new limit, which takes effect in 2029 and 1 result above the health goal. The worst: PFOA at 32 ppt, above EPA’s new limit, which takes effect in 2029.

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 Exton’s ZIP codes, from EPA’s estimates.

What handles it

Each of these is certified, on a certifier’s listing, for a result above a line in Aqua PA Uwchlan’s water, which serves the most people here. Another utility’s report names what handles its own results.

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Every claim, and more filters, in the full report

Water testing near Exton

A utility tests the water it sends out. A test of your own tap shows what your pipes add, and on a private well it is the only test there is. It takes a lab Pennsylvania certifies.

The 3 labs Pennsylvania certifies closest to Exton, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.

  • Brandywine Science Center

    Kennett Square, PA · about 12 miles

    Certified for bacteria, nitrate, lead and copper, metals, minerals and other inorganics

    (610) 444-9850

  • H.O. Thompson Testing Lab

    Parkesburg, PA · about 16 miles

    Certified for bacteria

    (610) 593-5030

  • Aqua Pennsylvania, Inc.

    Bryn Mawr, PA · about 16 miles

    Certified for bacteria, nitrate, lead and copper, metals, minerals and other inorganics, organic chemicals, disinfection byproducts, PFAS, radioactivity

    (610) 525-1400

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 Pennsylvania

ZIP codes in Exton

Which ZIP codes are in Exton: 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 Exton

Other towns in Chester County with a page of their own.

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