Is Rio Hondo, Texas tap water safe?
2 water systems report serving Rio Hondo. Your water depends on which one serves your address. Check your bill if unsure. This list is matched from the ZIP codes in this place, so it may include nearby systems.
A
East Rio Hondo WSC
Serves 25,509 people · Surface water · Full report →
No health-based violations in the last 5 years; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2025).
A
East Rio Hondo WSC Arroyo City
Serves 1,953 people · Surface water · Full report →
No health-based violations in the last 5 years; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2023).