Is Weslaco, Texas tap water safe?
4 water systems report serving Weslaco. 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.
C
North Alamo WSC
Serves 171,195 people · Surface water · Full report →
2 health-based violations in the last 5 years; 3 monitoring/reporting violations; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2023).
C
City of Weslaco
Serves 40,033 people · Surface water · Full report →
1 health-based violation in the last 5 years; 7 monitoring/reporting violations; 4 not yet resolved; PFOA/PFOS average above the 4 ppt federal limit: PFOS; Lead 90th percentile below the action level (2025).
A
Military Hwy WSC Weslaco
Serves 1,584 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 (2024).
A
Trails End Mobile Home Park
Serves 200 people · Surface water · Full report →
No health-based violations in the last 5 years; 3 monitoring/reporting violations; 2 not yet resolved; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2024).