Water Quality: San Antonio, TX
18 water systems • 2,172,460 people served
Multiple Health Violations422
Total Violations
14
Health-Based Violations
18
Water Systems
2,172,460
Population Served
Water Quality Summary
San Antonio has 14 health-based violations on record, meaning one or more contaminants were found above EPA-established safe levels. Contaminants involved: Disinfection Byproducts, Lead, Stage 2 DBP. In total, 422 violations are on record for 18 water systems serving 2,172,460 people.
Contaminants Found
Disinfection Byproducts
Lead
Stage 2 DBP
Water Systems Serving San Antonio
| System Name | PWSID | Source | Population | Violations |
|---|---|---|---|---|
| SAN ANTONIO WATER SYSTEM | TX0150018 | Surface Water | 2,113,151 | 6 |
| JBSA - SAM HOUSTON | TX0150116 | Groundwater | 37,563 | 34 |
| JBSA - RANDOLPH | TX0150115 | Groundwater | 10,949 | 4 |
| CITY OF ALAMO HEIGHTS | TX0150039 | Groundwater | 7,357 | 36 |
| THE OAKS WSC | TX0150399 | Surface Water | 1,191 | 0 |
| BLUE SKIES OF TEXAS WEST | TX0150463 | Groundwater | 796 | 36 |
| PIONEER ESTATES | TX0150420 | Groundwater | 375 | 5 |
| CADILLAC WATER | TX0150247 | Groundwater | 252 | 8 |
| RIO MEDINA ESTATES | TX1630022 | Groundwater | 201 | 7 |
| SRALLA MOBILE HOME PARK | TX1011925 | Groundwater | 165 | 61 |
| MARTINEZ RANCH SUBDIVISION | TX2320061 | Groundwater | 150 | 24 |
| LITTLE JOES ICE HOUSE & TRAILER PARK | TX0150256 | Groundwater | 106 | 3 |
| RANCHERO ESTATES | TX1330150 | Groundwater | 105 | 41 |
| EVETTS APARTMENTS | TX0150238 | Groundwater | 51 | 98 |
| CORDI MARIAN VILLA | TX0150414 | Groundwater | 48 | 43 |
| CENTRAL TEXAS REGIONAL WSC | TX0260051 | Groundwater | 0 | 0 |
| SEGURO WATER | TX2330051 | Groundwater | 0 | 12 |
| SAN PEDRO WATER RESOURCES | TX2330064 | Groundwater | 0 | 4 |
Concerned About Your Water?
A home water filter can remove common contaminants. NSF-certified filters are tested against EPA standards.
Consider a reverse osmosis system for comprehensive filtration or a carbon filter for basic improvement.
Data Sources
Drinking water violation data from the EPA Safe Drinking Water Information System (SDWIS). Data includes all recorded violations for active community water systems.