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Is Barnstable Town, MA tap water safe?

4 utilities serve Barnstable Town, by EPA’s records. Here is what EPA’s and Massachusetts’s records show for each, against the legal limits and the stricter health goals.

Matched to your utility using EPA records.

The short answer

None of the 4 utilities serving Barnstable Town has a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and Massachusetts’s records.

Centerville Osterville Marstons Mills WD, which serves the most people here, has 1 result above EPA’s new limit, which takes effect in 2029 and 1 result above the health goal. The worst: PFOA at 4.9 ppt, above EPA’s new limit, which takes effect in 2029.

The water from Centerville Osterville Marstons Mills WD is soft, typically 19 mg/L (1.1 grains per gallon). How Massachusetts’s water compares.

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 Barnstable Town’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 Centerville Osterville Marstons Mills WD’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 Barnstable Town

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 Barnstable Town, 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 3 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 8 miles

    Certified for bacteria, nitrate, minerals and other inorganics

    (508) 888-6460

  • New Bedford Health Department Lab

    New Bedford, MA · about 30 miles

    Certified for bacteria

    (508) 991-6199

All 81 certified labs for Massachusetts

ZIP codes in Barnstable Town

Which ZIP codes are in Barnstable Town: 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 Barnstable Town

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

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