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Is Chatham, MA tap water safe?

Chatham Water Department serves Chatham, by EPA’s records. Here is what EPA’s and Massachusetts’s records show for it, against the legal limits and the stricter health goals.

Matched to your utility using EPA records.

The short answer

Chatham Water Department serves Chatham. In EPA’s and Massachusetts’s records it has 1 result above the health goal, and no health-based violation since 2016.

The worst: Lead at 1.1 ppb, above the health goal. Health goals are stricter than legal limits and are not enforced.

The water from Chatham Water Department is soft, typically 20 mg/L (1.2 grains per gallon). How Massachusetts’s water compares.

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 Chatham Water Department’s water.

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Every claim, and more filters, in the full report

Water testing near Chatham

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 Massachusetts certifies.

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

  • Barnstable County Health & Env Dept

    Barnstable, MA · about 18 miles

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

    (508) 375-6605

  • Envirotech Laboratories Inc.

    Sandwich, MA · about 26 miles

    Certified for bacteria, nitrate, minerals and other inorganics

    (508) 888-6460

  • Wampanoag Environmental Laboratory

    Aquinnah, MA · about 48 miles

    Certified for bacteria

    (508) 645-2903

All 81 certified labs for Massachusetts

ZIP codes in Chatham

Which ZIP codes are in Chatham: 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: MassDEP Online Searchable Laboratory Certification Listing, potable water; distances from the Census 2020 ZIP code tabulation area gazetteer.

Near Chatham

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

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