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Is Ayer, MA tap water safe?

2 utilities serve Ayer, 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 Ayer has a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and Massachusetts’s records: Devens Massdevelopment.

Ayer DPW Water Division, which serves the most people here, has 1 result above the limit’s level with no violation recorded and 1 result above the health goal. The worst: Arsenic at 19.2 ppb, above the limit’s level, no violation. Health goals are stricter than legal limits and are not enforced.

The water from Ayer DPW Water Division is moderately hard to very hard depending on the source, 104 to 212 mg/L (6.1 to 12.4 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 Ayer’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 Ayer DPW Water Division’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 Ayer

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

  • Eurofins Ayer

    Ayer, MA · under a mile

    Certified for bacteria, nitrate, minerals and other inorganics

    (978) 391-4428

  • Pace Analytical LLC-Westborough

    Westborough, MA · about 21 miles

    Certified for bacteria, nitrate, minerals and other inorganics

    (508) 898-9220

  • Eurofins-Worcester

    Worcester, MA · about 21 miles

    Certified for bacteria

    (401) 461-7181

All 81 certified labs for Massachusetts

ZIP codes in Ayer

Which ZIP codes are in Ayer: 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 Ayer

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

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