Water Quality: League City, TX
2 water systems • 128,682 people served
Multiple Health ViolationsWater Quality Summary
League City is served by 2 public water systems with a combined service population of 128,682 people, and has 163 EPA Safe Drinking Water Act violations on record. Critically, 130 of those are health-based violations, meaning one or more contaminants were detected above EPA-established safe levels — a serious public health concern. League City's violation count is 23% below the national average for Texas. Contaminants associated with violations include Barium, Stage 2 DBP.
Contaminants Found
Increases blood pressure and causes cardiovascular effects with long-term exposure.
Common source: Natural rock deposits, oil drilling operations, coal power plant waste
EPA limit: 2 mg/L
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
Water Systems Serving League City
| System Name | PWSID | Source | Population | Violations |
|---|---|---|---|---|
| CITY OF LEAGUE CITY | TX0840007 | Surface Water | 128,412 | 7 |
| COTTON BAYOU PARK | TX0360004 | Groundwater | 270 | 156 |
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.