Is Gueydan, Louisiana tap water safe?
3 water systems report serving Gueydan. 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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Vermilion Waterworks District 1
Serves 24,132 people · Groundwater · Full report →
7 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).
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Town of Lake Arthur Water System
Serves 2,706 people · Groundwater · Full report →
No 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 (2024).
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Town of Gueydan Water System
Serves 2,016 people · Groundwater · Full report →
7 health-based violations in the last 5 years; 12 monitoring/reporting violations; 5 not yet resolved; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2025).