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Is Thornwood, NY tap water safe?

2 utilities serve Thornwood, by EPA’s records. Here is what EPA’s and New York’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 Thornwood has a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and New York’s records: Kensico Water District.

Kensico Water District, which serves the most people here, has 1 result above the legal limit. The worst: Haloacetic acids (HAA5) at 63.9 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 Thornwood’s ZIP codes, from EPA’s estimates.

Water testing near Thornwood

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 New York certifies.

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

  • Westchester Co Labs and Research

    Valhalla, NY · about 2 miles

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

    (914) 231-1768

  • EAS Inc. - Eastern Analytical Services Inc.

    Elmsford, NY · about 5 miles

    Certified for lead and copper, asbestos

    (914) 592-8380

  • Rtca-Radon Testing Corporation of America, Inc.

    Elmsford, NY · about 5 miles

    (914) 345-3380

All 161 certified labs for New York

ZIP codes in Thornwood

Which ZIP codes are in Thornwood: 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: NYS Environmental Laboratory Approval Program (ELAP), drinking water labs, as listed in TNI LAMS; distances from the Census 2020 ZIP code tabulation area gazetteer.

Near Thornwood

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

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