Water Quality: San Angelo, TX
13 water systems • 116,256 people served
Multiple Health ViolationsWater Quality Summary
San Angelo is served by 13 public water systems with a combined service population of 116,256 people, and has 227 EPA Safe Drinking Water Act violations on record. Critically, 76 of those are health-based violations, meaning one or more contaminants were detected above EPA-established safe levels — a serious public health concern. San Angelo's violation count is 7% above the national average for Texas. Contaminants associated with violations include Disinfection Byproducts, HAA5, Selenium, Stage 2 DBP, TTHM.
Contaminants Found
Broad category of chemicals formed during disinfection, associated with increased cancer risk and adverse reproductive effects.
Common source: Reaction of disinfectants (chlorine, ozone, chloramines) with organic matter
Haloacetic acids are associated with increased cancer risk and potential reproductive and developmental effects.
Common source: Reaction of chlorine disinfectants with organic matter in treated water
EPA limit: 0.060 mg/L (60 ppb)
Hair loss, nail brittleness, and nervous system damage at elevated concentrations.
Common source: Natural geological deposits, mining discharges, oil refinery waste
EPA limit: 0.05 mg/L (50 ppb)
Trihalomethanes and haloacetic acids that increase cancer risk and may cause adverse reproductive outcomes.
Common source: Chlorine disinfection reacting with natural organic matter in source water
EPA limit: TTHM: 0.080 mg/L; HAA5: 0.060 mg/L
Total trihalomethanes are linked to increased risk of bladder cancer and adverse reproductive outcomes.
Common source: Reaction of chlorine disinfectants with naturally occurring organic matter in water
EPA limit: 0.080 mg/L (80 ppb)
Not a direct health risk but reacts with disinfectants to form carcinogenic byproducts such as trihalomethanes.
Common source: Decaying plant material, algae, soil organic matter in source water
EPA limit: Treatment technique (must reduce TOC based on source water level)
Water Systems Serving San Angelo
| System Name | PWSID | Source | Population | Violations |
|---|---|---|---|---|
| CITY OF SAN ANGELO | TX2260001 | Surface Water | 105,229 | 12 |
| CONCHO RURAL WATER GRAPE CREEK | TX2260008 | Surface Water | 5,049 | 16 |
| CONCHO RURAL WATER N CONCHO LAKE ESTATES | TX2260020 | Groundwater | 1,299 | 5 |
| CONCHO RURAL WATER PECAN CREEK | TX2260057 | Surface Water | 1,275 | 11 |
| TOM GREEN COUNTY FWSD 3 | TX2260052 | Groundwater | 960 | 11 |
| RED CREEK MUD | TX2260101 | Surface Water | 897 | 30 |
| CONCHO RURAL WATER THE OAKS | TX2260093 | Groundwater | 825 | 4 |
| CONCHO RURAL WATER DEER VALLEY ESTATES | TX2260067 | Groundwater | 327 | 4 |
| THE HACIENDAS AT CHRISTOVAL RANCH | TX2260113 | Groundwater | 132 | 44 |
| CONCHO RURAL WATER WATER VALLEY | TX2260060 | Groundwater | 123 | 3 |
| BROWNS POOL AND PARK | TX2260022 | Groundwater | 50 | 7 |
| WEST TEXAS BOYS RANCH | TX2260038 | Groundwater | 48 | 28 |
| TWIN BUTTES WATER SYSTEM | TX2260026 | Surface Water | 42 | 52 |
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.
Other Cities in Texas
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.