Is San Antonio, Northern Mariana Islands tap water safe?
3 water systems report serving San Antonio. Your water depends on which one serves your address. Check your bill if unsure.
B
Pacific Islands Club
Serves 554 people · Groundwater · Full report →
No health-based violations in the last 5 years; 6 monitoring/reporting violations; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2025).
D
Aqua Water
Serves 170 people · Groundwater · Full report →
4 health-based violations in the last 5 years; 1 monitoring/reporting violation; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2025).
C
Winners Residence
Serves 124 people · Groundwater · Full report →
No health-based violations in the last 5 years; 4 monitoring/reporting violations; 1 not yet resolved; No UCMR 5 PFAS results on file; Lead 90th percentile ABOVE the action level (2025).