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Is New Haven, CT tap water safe?

Regional Water Authority serves New Haven, by EPA’s records. Here is what EPA’s and CDC’s records show for it, against the legal limits and the stricter health goals.

Matched to your utility using EPA records.

The short answer

Regional Water Authority serves New Haven. In EPA’s and CDC’s records it has 2 results above EPA’s new limit, which takes effect in 2029 and 2 results above the health goal, and no health-based violation since 2016.

The worst: PFOS at 10.7 ppt, above EPA’s new limit, which takes effect in 2029.

Some homes in a town are on private wells or a small system of their own. The name on your water bill tells you which is yours.

What handles it

Each of these is certified, on a certifier’s listing, for a result above a line in Regional Water Authority’s water.

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Every claim, and more filters, in the full report

Water testing near New Haven

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 Connecticut certifies.

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

  • Regional Water Authority

    New Haven, CT · about 1 mile

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

    (203) 401-2700

  • Aquatek Labs, Inc.

    Woodbridge, CT · about 6 miles

    Certified for bacteria, nitrate, metals, minerals and other inorganics, organic chemicals, radioactivity

    (203) 389-1824

  • Baron Analytical Laboratories LLC

    Milford, CT · about 9 miles

    Certified for bacteria, nitrate, metals, minerals and other inorganics, disinfection byproducts

    (203) 874-5678

All 86 certified labs for Connecticut

ZIP codes in New Haven

Which ZIP codes are in New Haven: 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: Connecticut DPH, approved commercial laboratories certified to test drinking water; distances from the Census 2020 ZIP code tabulation area gazetteer.

Near New Haven

Other towns in New Haven County with a page of their own.

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