Skip to content
TapBuff
ZIP

Is Old Greenwich, CT tap water safe?

Aquarion - Eastern Fairfield County serves Old Greenwich, 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

Aquarion - Eastern Fairfield County serves Old Greenwich. In EPA’s and CDC’s records it has 2 results above EPA’s new limit, which takes effect in 2029, and no health-based violation since 2016.

The worst: PFOA at 10.9 ppt, above EPA’s new limit, which takes effect in 2029.

The water from Aquarion - Eastern Fairfield County is soft on average, 51 mg/L (3 grains per gallon), ranging from 34 to 86 mg/L. How it 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 Aquarion - Eastern Fairfield County’s water.

Disclosure: TapBuff earns a commission if you buy through some links on this page. It does not change which standard or filter we name. As an Amazon Associate, TapBuff earns from qualifying purchases. How TapBuff makes money

Every claim, and more filters, in the full report

Water testing near Old Greenwich

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

  • Stamford Health Department Laboratory

    Stamford, CT · about 3 miles

    Certified for bacteria, nitrate, minerals and other inorganics

    (203) 977-4378

  • Greenwich Health Department Laboratory

    Greenwich, CT · about 3 miles

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

    (203) 622-7843

  • Eastern Analytical Services - NY

    Elmsford, NY · about 13 miles

    Certified for metals, asbestos

    (914) 592-8380

All 86 certified labs for Connecticut

ZIP codes in Old Greenwich

Which ZIP codes are in Old Greenwich: 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 Old Greenwich

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

What to do next