City Water Quality Rankings in Massachusetts
281 cities ranked by drinking water quality.
Popular city water quality comparisons
Trending Cities
#169
Milford
County, MA
73 C
#170 Onset
County, MA
73 C
#171 Hadley
County, MA
72 C
#172 Hanson
County, MA
72 C
#173 North Dighton
County, MA
72 C
#174 Provincetown
County, MA
72 C
#175 Southampton
County, MA
72 C
#176 Three Rivers
County, MA
72 C
#177 Wilmington
County, MA
72 C
#178 East Bridgewater
County, MA
71 C
#179 Hamilton
County, MA
71 C
#180 Melrose
County, MA
71 C
#181 Townsend
County, MA
71 C
#182 Wayland
County, MA
71 C
#183 Huntington
County, MA
70 C
#184 Northborough
County, MA
70 C
#185 Rockport
County, MA
70 C
#186 Rowley
County, MA
70 C
#187 Salisbury
County, MA
70 C
#188 Stockbridge
County, MA
70 C
#189 Tisbury
County, MA
69 C
#190 Cheshire
County, MA
68 C
#191 Franklin
County, MA
68 C
#192 Harvard
County, MA
68 C
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.