Is Oyster Bay (T), New York tap water safe?
10 water systems report serving Oyster Bay (T). Your water depends on which one serves your address. Check your bill if unsure.
B
Jericho WD
Serves 58,000 people · Groundwater · 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).
A
Hicksville WD
Serves 48,000 people · Groundwater · Full report →
No health-based violations in the last 5 years; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2023).
A
South Farmingdale WD
Serves 44,700 people · Groundwater · Full report →
No health-based violations in the last 5 years; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2024).
A
Massapequa WD
Serves 43,000 people · Groundwater · Full report →
No health-based violations in the last 5 years; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2023).
A
Plainview WD
Serves 34,000 people · Groundwater · Full report →
No health-based violations in the last 5 years; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2023).
A
Bethpage WD
Serves 33,000 people · Groundwater · Full report →
No health-based violations in the last 5 years; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2023).
A
Oyster Bay WD
Serves 8,700 people · Groundwater · Full report →
No health-based violations in the last 5 years; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2023).
B
Locust Valley WD
Serves 7,500 people · Groundwater · Full report →
No health-based violations in the last 5 years; Other PFAS above 2024 limits (rule proposed for repeal): PFNA, Hazard Index; Lead 90th percentile below the action level (2023).
A
Glenwood WD
Serves 1,000 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).
A
Liberty Utilities New York - Mill Neck
Serves 280 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).