City Water Quality Rankings in Texas
910 cities ranked by drinking water quality.
Popular city water quality comparisons
Trending Cities
#817
Concan
County, TX
17 F
#818 Cotulla
County, TX
16 F
#819 Bloomington
County, TX
15 F
#820 Knox City
County, TX
14 F
#821 Robstown
County, TX
14 F
#822 Shelbyville
County, TX
14 F
#823 Roscoe
County, TX
13 F
#824 Vernon
County, TX
13 F
#825 Port O Connor
County, TX
8 F
#826 Bay City
County, TX
7 F
#827 Coahoma
County, TX
7 F
#828 Kerens
County, TX
5 F
#829 Atascosa
County, TX
3 F
#830 Deanville
County, TX
1 F
#831 Aledo
County, TX
0 F
#832 Andrews
County, TX
0 F
#833 Anthony
County, TX
0 F
#834 Arp
County, TX
0 F
#835 Asherton
County, TX
0 F
#836 Atlanta
County, TX
0 F
#837 Axtell
County, TX
0 F
#838 Baird
County, TX
0 F
#839 Ballinger
County, TX
0 F
#840 Bartlett
County, TX
0 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.