City Water Quality Rankings
11,561 cities ranked by drinking water quality.
Popular city water quality comparisons
Trending Cities
#9289
Saluda
County, NC
60 C
#9290 Santaquin
County, UT
60 C
#9291 Somerset
County, KY
60 C
#9292 Southwick
County, MA
60 C
#9293 Stanton
County, KY
60 C
#9294 Suquamish
County, WA
60 C
#9295 Taylor
County, MI
60 C
#9296 Towanda
County, KS
60 C
#9297 Trout
County, LA
60 C
#9298 Ward
County, AR
60 C
#9299 Washington Navy Yard
County, DC
60 C
#9300 Whitewater
County, KS
60 C
#9301 Whitman
County, MA
60 C
#9302 Yachats
County, OR
60 C
#9303 Addison
County, NY
59 D
#9304 Belmont
County, NC
59 D
#9305 Bement
County, IL
59 D
#9306 Bloomfield
County, NY
59 D
#9307 Bordentown
County, NJ
59 D
#9308 Brownsville
County, OR
59 D
#9309 Cedaredge
County, CO
59 D
#9310 Corrigan
County, TX
59 D
#9311 El Reno
County, OK
59 D
#9312 Granger
County, IA
59 D
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.