City Water Quality Rankings in Texas
910 cities ranked by drinking water quality.
Popular city water quality comparisons
Trending Cities
#769
Seguin
County, TX
39 F
#770 Dilley
County, TX
38 F
#771 Falcon Heights
County, TX
38 F
#772 Kermit
County, TX
38 F
#773 Wheeler
County, TX
38 F
#774 Mercedes
County, TX
37 F
#775 Port Aransas
County, TX
37 F
#776 Chandler
County, TX
36 F
#777 Hamlin
County, TX
36 F
#778 Zapata
County, TX
36 F
#779 Munday
County, TX
35 F
#780 Hitchcock
County, TX
34 F
#781 Lyford
County, TX
34 F
#782 Albany
County, TX
33 F
#783 Jourdanton
County, TX
33 F
#784 Rio Vista
County, TX
33 F
#785 Wolfe City
County, TX
33 F
#786 Comanche
County, TX
32 F
#787 Rosebud
County, TX
32 F
#788 Sabinal
County, TX
32 F
#789 Clarendon
County, TX
31 F
#790 Eden
County, TX
31 F
#791 Lago Vista
County, TX
31 F
#792 Mount Calm
County, TX
31 F
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.