City Water Quality Rankings in Massachusetts
281 cities ranked by drinking water quality.
Popular city water quality comparisons
Trending Cities
#265
Rockland
County, MA
32 F
#266 Pittsfield
County, MA
31 F
#267 Osterville
County, MA
30 F
#268 Scituate
County, MA
28 F
#269 Hanover
County, MA
23 F
#270 Acton
County, MA
22 F
#271 Georgetown
County, MA
22 F
#272 Westfield
County, MA
22 F
#273 Barre
County, MA
12 F
#274 Grafton
County, MA
12 F
#275 Nantucket
County, MA
11 F
#276 North Adams
County, MA
10 F
#277 Westborough
County, MA
8 F
#278 Haverhill
County, MA
0 F
#279 Hudson
County, MA
0 F
#280 Norfolk
County, MA
0 F
#281 Orleans
County, MA
0 F
Frequently Asked Questions
How are city water quality rankings calculated in Massachusetts?
WaterQ city rankings are based on EPA SDWIS data across local public water systems, including contaminant detections, compliance violations, and recency-weighted score signals.
Can I compare two cities in Massachusetts?
Yes. Use the city comparison links on this page or open the Compare tool to evaluate two cities side by side on score, grade, and water system coverage.
How often does WaterQ refresh city data?
City-level metrics refresh when new EPA data is processed. Check city pages for latest score and violation context.