Water Quality: Kerrville, TX
14 water systems • 25,866 people served
Multiple Health ViolationsWater Quality Summary
Kerrville is served by 14 public water systems with a combined service population of 25,866 people, and has 883 EPA Safe Drinking Water Act violations on record. Critically, 272 of those are health-based violations, meaning one or more contaminants were detected above EPA-established safe levels — a serious public health concern. Kerrville's violation count is 315% above the national average for Texas. Contaminants associated with violations include E. coli, HAA5, Stage 2 DBP, TTHM, Total Organic Carbon.
Contaminants Found
Causes gastrointestinal illness; certain strains (e.g., O157:H7) can cause severe kidney failure and death.
Common source: Fecal contamination from humans or animals entering the water supply
EPA limit: Zero (no E. coli permitted in drinking water)
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)
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 Kerrville
| System Name | PWSID | Source | Population | Violations |
|---|---|---|---|---|
| CITY OF KERRVILLE | TX1330001 | Surface Water | 23,489 | 121 |
| KERRVILLE VA HOSPITAL | TX1330095 | Groundwater | 1,000 | 24 |
| WOODS WSC | TX1330085 | Groundwater | 315 | 6 |
| KERRVILLE RV PARK AND CABINS | TX1330170 | Groundwater | 312 | 23 |
| KERR VILLA MOBILE HOME PARK | TX1330123 | Groundwater | 111 | 14 |
| ARIMAK WATER SUPPLY | TX1330135 | Groundwater | 105 | 196 |
| COUNTRY HILLS WATER | TX1330102 | Groundwater | 90 | 42 |
| SADDLE MOUNTAIN WATER COOPERATIVE | TX1330176 | Groundwater | 84 | 36 |
| HILL COUNTRY MOBILE HOME PARK | TX0100061 | Groundwater | 75 | 16 |
| LAS COLINAS OF KERRVILLE | TX1330166 | Groundwater | 72 | 18 |
| SPLIT ROCK WATER SYSTEM | TX1330025 | Groundwater | 66 | 40 |
| HILL COUNTRY RANCH ESTATES | TX1330083 | Surface Water | 57 | 10 |
| SILVER HILLS PARK | TX1330149 | Groundwater | 54 | 109 |
| HEAVENS MOBILE HOME PARK | TX1330121 | Groundwater | 36 | 228 |
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.