City Water Quality Rankings in Massachusetts
283 cities ranked by drinking water quality.
Popular city water quality comparisons
Trending Cities
#97
Southborough
County, MA
84 B
#98 Thorndike
County, MA
84 B
#99 Bolton
County, MA
83 B
#100 Concord
County, MA
83 B
#101 Hanover
County, MA
83 B
#102 Wakefield
County, MA
83 B
#103 Athol
County, MA
82 B
#104 Bedford
County, MA
82 B
#105 Beverly
County, MA
82 B
#106 Hopedale
County, MA
82 B
#107 Monson
County, MA
82 B
#108 Norton
County, MA
82 B
#109 Pocasset
County, MA
82 B
#110 Winthrop
County, MA
82 B
#111 Georgetown
County, MA
81 B
#112 Amesbury
County, MA
80 B
#113 Assonet
County, MA
80 B
#114 Buzzards Bay
County, MA
80 B
#115 Carver
County, MA
80 B
#116 Clinton
County, MA
80 B
#117 Collinsville
County, MA
80 B
#118 Greenfield
County, MA
80 B
#119 Kingston
County, MA
80 B
#120 Natick
County, MA
80 B
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.