Is Rio Grande City, Texas tap water safe?
4 water systems report serving Rio Grande City. 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.
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City of Rio Grande City
Serves 18,912 people · Surface water · Full report →
2 health-based violations in the last 5 years; 4 monitoring/reporting violations; 1 not yet resolved; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2024).
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Rio WSC
Serves 6,939 people · Surface water · Full report →
1 health-based violation in the last 5 years; 11 monitoring/reporting violations; 3 not yet resolved; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2024).
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Union WSC
Serves 5,793 people · Surface water · Full report →
1 health-based violation in the last 5 years; 6 monitoring/reporting violations; 2 not yet resolved; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2023).
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El Tanque WSC
Serves 3,000 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).