Is Shelter Island (T), New York tap water safe?
3 water systems report serving Shelter Island (T). Your water depends on which one serves your address. Check your bill if unsure.
B
Shelter Island Heights Association
Serves 500 people · Groundwater · Full report →
No health-based violations in the last 5 years; 29 monitoring/reporting violations; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2023).
A
West Neck Water District
Serves 100 people · Groundwater · 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 (2025).
A
Dering Harbor Water District
Serves 14 people · Groundwater · 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 (2023).