Is Marlborough, NH tap water safe?
The short answer
Neither of the 2 utilities serving Marlborough has a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and CDC’s records.
Marlborough Water Works, which serves the most people here, has nothing above a health goal in EPA’s and CDC’s records. That data covers what its report lists, not everything.
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 Marlborough’s ZIP codes, from EPA’s estimates.
- Open report
Marlborough Water Works
New Hampshire · serves 750 people · under 100 in Marlborough
Nothing in its records is above a health goal.
No health-based violations since 2016
- Open report
Marlborough Estates
New Hampshire · serves 100 people · under 100 in Marlborough
1 result above the health goal. The worst: Uranium at 3.0 ppb, above the health goal.
No health-based violations since 2016
Water testing near Marlborough
The 3 labs New Hampshire certifies closest to Marlborough, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
Keene City Laboratory
Swanzey, NH · about 7 miles
Certified for bacteria
Nelson Analytical Lab - Keene Division
Swanzey, NH · about 8 miles
Certified for bacteria
New Hampshire DHHS Public Health Laboratories
Concord, NH · about 38 miles
Certified for bacteria, nitrate, lead and copper, metals, minerals and other inorganics, organic chemicals, disinfection byproducts, radioactivity
ZIP codes in Marlborough
Which ZIP codes are in Marlborough: 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: New Hampshire ELAP, drinking water labs, as listed in TNI LAMS; distances from the Census 2020 ZIP code tabulation area gazetteer.
Near Marlborough
Other towns in Cheshire County with a page of their own.
What to do next
- Read Marlborough Water Works’s full reportEvery result with its dates, the violations, and the certification claim that handles each finding.Open the report
- Decide if you want a filter at allA filter for taste or chlorine is a preference, not a need. The standards say what each kind can do.NSF/ANSI standards, decoded
- On a private well?No utility tests a well. A certified lab test is the first step.How to test well water