City Water Quality Rankings
11,696 cities ranked by drinking water quality.
Popular city water quality comparisons
Trending Cities
#121
Bridgeport
County, NE
100 A
#122 Bridgeport
County, WA
100 A
#123 Bridgman
County, MI
100 A
#124 Bridgton
County, ME
100 A
#125 Brisbane
County, CA
100 A
#126 Bristol
County, IN
100 A
#127 Bristol
County, NH
100 A
#128 Bristol
County, VA
100 A
#129 Bristol
County, WI
100 A
#130 Broadway
County, VA
100 A
#131 Brodhead
County, WI
100 A
#132 Brookland
County, AR
100 A
#133 Brooklyn
County, IA
100 A
#134 Brooklyn Center
County, MN
100 A
#135 Brookside
County, AL
100 A
#136 Brown City
County, MI
100 A
#137 Brownstown Twp
County, MI
100 A
#138 Brownsville
County, TN
100 A
#139 Brownville
County, NY
100 A
#140 Buhl
County, AL
100 A
#141 Buhler
County, KS
100 A
#142 Burbank
County, CA
100 A
#143 Burien
County, WA
100 A
#144 Burlingame
County, CA
100 A
Frequently Asked Questions
How are city water quality rankings calculated?
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 US cities directly?
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.