City Water Quality Rankings
11,696 cities ranked by drinking water quality.
Popular city water quality comparisons
Trending Cities
#2233
Baxley
County, GA
96 A
#2234 Beach City
County, OH
96 A
#2235 Beaumont
County, CA
96 A
#2236 Beaver Dam
County, WI
96 A
#2237 Beebe
County, AR
96 A
#2238 Bel Air
County, MD
96 A
#2239 Belfair
County, WA
96 A
#2240 Belle Fourche
County, SD
96 A
#2241 Benicia
County, CA
96 A
#2242 Benton City
County, WA
96 A
#2243 Beresford
County, SD
96 A
#2244 Bertram
County, TX
96 A
#2245 Birch Bay
County, WA
96 A
#2246 Birmingham
County, AL
96 A
#2247 Bishopville
County, SC
96 A
#2248 Blacksburg
County, SC
96 A
#2249 Blair
County, WI
96 A
#2250 Blairstown
County, NJ
96 A
#2251 Bloomfield
County, IN
96 A
#2252 Bonners Ferry
County, ID
96 A
#2253 Boonville
County, AR
96 A
#2254 Boscobel
County, WI
96 A
#2255 Bourbon
County, IN
96 A
#2256 Bowler
County, WI
96 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.