San Marcos, TX · Hays County
Water quality in San Marcos, TX
5 community water systems are based in San Marcos, TX, collectively serving 137,288 people. See per-utility violations, contaminants, and lead service line status.
At a glance
- Community systems
- 5
- People served
- 137k
- Groundwater systems
- 60%
- 3 systems
- Surface water systems
- 40%
- 2 systems
Community water systems based in San Marcos
Systems whose EPA-filed administrative city is San Marcos, sorted by population served. Regional authorities that serve San Marcos but are based elsewhere are not listed here; check the ZIP lookup for a service-area-based answer.
- 1. CITY OF SAN MARCOS
Hays · PWSID TX1050001
73k served - 2. TEXAS STATE UNIVERSITY - SAN MARCOS
Hays · PWSID TX1050003
44k served - 3. CRYSTAL CLEAR SUD
Guadalupe · PWSID TX0940015
21k served - 4. ALLIANCE REGIONAL WATER AUTHORITY
Hays · PWSID TX1050197
0 served - 5. ALLIANCE REGIONAL WATER AUTHORITY 1B
Caldwell · PWSID TX0280027
0 served