Water Quality: Rio Grande, TX
1 water system • 18,912 people served
Multiple Health ViolationsWater Quality Summary
Rio Grande is served by 1 public water system with a combined service population of 18,912 people, and has 84 EPA Safe Drinking Water Act violations on record. Critically, 8 of those are health-based violations, meaning one or more contaminants were detected above EPA-established safe levels — a serious public health concern. Rio Grande's violation count is 60% below the national average for Texas. Contaminants associated with violations include E. coli, Gross Alpha.
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)
Alpha-emitting radioactive particles increase cancer risk, particularly from bone and other internal cancers.
Common source: Natural uranium and radium in geological formations
EPA limit: 15 pCi/L (excluding radon and uranium)
Water Systems Serving Rio Grande
| System Name | PWSID | Source | Population | Violations |
|---|---|---|---|---|
| CITY OF RIO GRANDE CITY | TX2140018 | Surface Water | 18,912 | 84 |
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.