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Is Green Harbor, MA tap water safe?

2 utilities serve Green Harbor, 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

1 of the 2 utilities serving Green Harbor has a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and Massachusetts’s records: Marshfield Water Department.

Duxbury Water Department, which serves the most people here, has 3 results above EPA’s new limit, which takes effect in 2029 and 1 result above the health goal. The worst: PFOS at 35 ppt, above EPA’s new limit, which takes effect in 2029.

The water from Duxbury Water Department is soft, typically 34 mg/L (2 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 Green Harbor’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 Duxbury Water Department’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 Green Harbor

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

  • Battelle Memorial Institute

    Norwell, MA · about 8 miles

    Certified for PFAS

    (781) 681-6635

  • Eurofins Providence (AB)

    Middleborough, MA · about 16 miles

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

    (508) 946-2225

  • G and L Labs Inc.

    Quincy, MA · about 20 miles

    Certified for bacteria

    (617) 328-3663

All 81 certified labs for Massachusetts

ZIP codes in Green Harbor

Which ZIP codes are in Green Harbor: 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 Green Harbor

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

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