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Is Mahopac, NY tap water safe?

15 utilities serve Mahopac, 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 15 utilities serving Mahopac 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: Carmel WD 4.

Mahopac Water Co, which serves the most people here, has 2 results above the health goal. The worst: Lead at 6.4 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 Mahopac’s ZIP codes, from EPA’s estimates.

5 more utilities in Mahopac

By EPA’s estimate, each serves fewer people in Mahopac than those above.

What handles it

Each of these is certified, on a certifier’s listing, for a result above a line in Mahopac Water Co’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 Mahopac

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 Mahopac, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.

  • Yorktown Medical Laboratory Inc.

    Yorktown Heights, NY · about 7 miles

    Certified for bacteria, nitrate, lead and copper

    (914) 245-3203

  • Pace Analytical Services, LLC-Newburgh

    Newburgh, NY · about 19 miles

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

    (845) 562-0890

  • Westchester Co Labs and Research

    Valhalla, NY · about 21 miles

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

    (914) 231-1768

All 161 certified labs for New York

ZIP codes in Mahopac

Which ZIP codes are in Mahopac: 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 Mahopac

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

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