City Water Quality Rankings in Texas
908 cities ranked by drinking water quality.
Popular city water quality comparisons
Trending Cities
#337
Laughlin Afb
County, TX
88 B
#338 Leakey
County, TX
88 B
#339 Mauriceville
County, TX
88 B
#340 Ovilla
County, TX
88 B
#341 Pasadena
County, TX
88 B
#342 Premont
County, TX
88 B
#343 Refugio
County, TX
88 B
#344 Round Rock
County, TX
88 B
#345 Salado
County, TX
88 B
#346 Schertz
County, TX
88 B
#347 Slaton
County, TX
88 B
#348 Sunset Valley
County, TX
88 B
#349 Wellington
County, TX
88 B
#350 Alba
County, TX
87 B
#351 Brownsboro
County, TX
87 B
#352 Deer Park
County, TX
87 B
#353 Elm Mott
County, TX
87 B
#354 Gainesville
County, TX
87 B
#355 Kirby
County, TX
87 B
#356 Lamesa
County, TX
87 B
#357 Seadrift
County, TX
87 B
#358 Sweeny
County, TX
87 B
#359 Winnsboro
County, TX
87 B
#360 Bogata
County, TX
86 B
Frequently Asked Questions
How are city water quality rankings calculated in Texas?
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 Texas?
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.