Skip to content
TapBuff
ZIP

Is Northampton, NY tap water safe?

2 utilities serve Northampton, by EPA’s records. Here is what EPA’s and New York’s records show for each, against the legal limits and the stricter health goals.

Matched to your utility using EPA records.

The short answer

2 of the 2 utilities serving Northampton have a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and New York’s records: Riverhead Water District and Suffolk County Water Authority.

Riverhead Water District, which serves the most people here, has 1 result above EPA’s new limit, which takes effect in 2029 and 3 results above the health goal. The worst: PFOS at 5.2 ppt, above EPA’s new limit, which takes effect in 2029.

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 Northampton’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 Riverhead Water District’s water, which serves the most people here. Another utility’s report names what handles its own results.

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 Northampton

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 New York certifies.

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

  • Long Island Analytical Laboratories, Inc.

    Holbrook, NY · about 24 miles

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

    (631) 472-3400

  • Enviroscience Consultants, LLC

    Ronkonkoma, NY · about 26 miles

    Certified for asbestos

    (631) 580-3191

  • ALS Environmental - Stratford

    Stratford, CT · about 30 miles

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

    (203) 325-1371

All 161 certified labs for New York

ZIP codes in Northampton

Which ZIP codes are in Northampton: 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: NYS Environmental Laboratory Approval Program (ELAP), drinking water labs, as listed in TNI LAMS; distances from the Census 2020 ZIP code tabulation area gazetteer.

Near Northampton

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

What to do next