Is Cotulla, Texas tap water safe?
2 water systems report serving Cotulla. 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 Cotulla Public Water Supply
Serves 5,640 people · Groundwater · Full report →
1 health-based violation in the last 5 years; 22 monitoring/reporting violations; 2 not yet resolved; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2025).
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Gardendale WSC
Serves 174 people · Groundwater · Full report →
1 health-based violation in the last 5 years; 41 monitoring/reporting violations; 14 not yet resolved; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2023).