City Water Quality Rankings
11,696 cities ranked by drinking water quality.
Popular city water quality comparisons
Trending Cities
#2209
Arlington
County, SD
96 A
#2210 Arnold
County, CA
96 A
#2211 Arroyo Grande
County, CA
96 A
#2212 Ashdown
County, AR
96 A
#2213 Ashford
County, AL
96 A
#2214 Athens
County, TN
96 A
#2215 Atwood
County, TN
96 A
#2216 Auburn Hills
County, MI
96 A
#2217 Avilla
County, IN
96 A
#2218 Avoca
County, AR
96 A
#2219 Ayden
County, NC
96 A
#2220 Bacliff
County, TX
96 A
#2221 Bad Axe
County, MI
96 A
#2222 Bailey
County, MS
96 A
#2223 Bainbridge
County, IN
96 A
#2224 Bakerhill
County, AL
96 A
#2225 Ball Ground
County, GA
96 A
#2226 Baltimore
County, OH
96 A
#2227 Barling
County, AR
96 A
#2228 Barnhart
County, MO
96 A
#2229 Barron
County, WI
96 A
#2230 Bartlett
County, TN
96 A
#2231 Batesville
County, IN
96 A
#2232 Battle Ground
County, WA
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.