TX
TX drinking water
4,611 active community water systems serve 32,370,864 people in TX. Browse the largest utilities, see how groundwater and surface water sources are split, and dig into individual system pages for violations and lead service line status.
At a glance
- Community systems
- 4,611
- People served
- 32.4M
- Groundwater systems
- 71%
- 3,270 systems
- Surface water systems
- 29%
- 1,340 systems
Largest community water systems by population served
- 1. CITY OF HOUSTON
HOUSTON · PWSID TX1010013
3.0M served - 2. SAN ANTONIO WATER SYSTEM
SAN ANTONIO · PWSID TX0150018
2.1M served - 3. DALLAS WATER UTILITY
DALLAS · PWSID TX0570004
1.4M served - 4. CITY OF AUSTIN WATER & WASTEWATER
AUSTIN · PWSID TX2270001
1.1M served - 5. CITY OF FORT WORTH
FORT WORTH · PWSID TX2200012
956k served - 6. EL PASO WATER UTILITIES PUBLIC SERVICE B
EL PASO · PWSID TX0710002
747k served - 7. CITY OF ARLINGTON
ARLINGTON · PWSID TX2200001
414k served - 8. CITY OF CORPUS CHRISTI
CORPUS CHRISTI · PWSID TX1780003
318k served - 9. CITY OF PLANO
PLANO · PWSID TX0430007
292k served - 10. LUBBOCK PUBLIC WATER SYSTEM
LUBBOCK · PWSID TX1520002
275k served
Cities with the most served population
Communities with the largest aggregate population across all community water systems based in that city. Click through for the per-city utility list.
- Houston · 6.0M
- San Antonio · 2.2M
- Austin · 1.8M
- Dallas · 1.4M
- Fort Worth · 964k
- El Paso · 764k
- Arlington · 414k
- Corpus Christi · 326k
- Plano · 292k
- Lubbock · 277k
- Laredo · 272k
- Irving · 265k
- Edinburg · 256k
- Garland · 249k
- Frisco · 235k
- Mckinney · 227k
- Brownsville · 211k
- Mission · 206k
- Amarillo · 204k
- Tyler · 203k
- Grand Prairie · 202k
- Georgetown · 192k
- Mcallen · 190k
- Sugar Land · 178k
- Waco · 165k
- College Station · 165k
- Midland · 164k
- The Woodlands · 162k
- Round Rock · 162k
- Killeen · 159k
- Pasadena · 153k
- Mesquite · 152k
- Denton · 151k
- Conroe · 150k
- Lewisville · 141k
- Odessa · 139k
- Abilene · 138k
- San Marcos · 137k
- Beaumont · 137k
- Carrollton · 136k
- Pearland · 133k
- League City · 129k
- New Braunfels · 123k
- Richardson · 123k
- Aubrey · 122k
- Wichita Falls · 118k
- San Angelo · 116k
- Bryan · 108k
- Bastrop · 107k
- Leander · 105k
- Allen · 105k
- Temple · 104k
- Huntsville · 103k
- Longview · 103k
- Canyon Lake · 93k
- Cedar Park · 93k
- Harlingen · 92k
- Baytown · 88k
- Burleson · 87k
- Flower Mound · 80k
Showing the 60 largest cities by served population. 1175 smaller communities also have pages on MyTapWater.us; reach them through the sitemap or via the address lookup.
Community water fluoridation in TX
State- and county-level aggregates from CDC's Water Fluoridation Reporting System. Per-utility fluoridation status is not in the bulk dataset; for a specific system, see the link below.
- Population on fluoridated water (2020)
- 71.0%
- 19,743,163 of 27,818,869 on CWS
- Community systems fluoridating
- 2,573 of 6,046
- 104 actively adjust fluoride
- Counties with 2020 data
- 254
- State shares per-system data on MWF
Trend over time
- 202071.0%
- 201872.7%
- 201667.6%
Highest fluoridation rate by county
- Nueces100.0%
- Wichita100.0%
- Potter100.0%
- Rockwall100.0%
- Randall100.0%
- Lamar100.0%
- Fannin100.0%
- Karnes100.0%
- Deaf Smith100.0%
- Andrews100.0%
Lowest fluoridation rate by county
- Bell0.0%
- Brown0.0%
- Titus0.0%
- Lampasas0.0%
- Tyler0.0%
- Gonzales0.0%
- Sabine0.0%
- Frio0.0%
- Camp0.0%
- Franklin0.0%
Find your specific utility's status
TX shares per-system fluoridation data on CDC's My Water's Fluoride site. Search by water system to see whether a specific utility adjusts fluoride.