Is Seguin, Texas tap water safe?
4 water systems report serving Seguin. 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.
B
Green Valley SUD
Serves 52,497 people · Surface water · Full report →
No health-based violations in the last 5 years; 6 monitoring/reporting violations; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2025).
C
Springs Hill SUD
Serves 35,541 people · Surface water · Full report →
2 health-based violations in the last 5 years; 1 monitoring/reporting violation; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2025).
B
City of Seguin
Serves 32,736 people · Surface water · Full report →
1 health-based violation in the last 5 years; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2025).
C
Memory Lane MHP
Serves 30 people · Groundwater · Full report →
1 health-based violation in the last 5 years; 26 monitoring/reporting violations; 14 not yet resolved; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2023).