Is Monticello, New York tap water safe?

11 water systems report serving Monticello. 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.

A

Monticello Village

Serves 8,000 people · Surface water · 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 (2025).
A

Adelaar WD

Serves 1,000 people · Surface water · Full report →
No health-based violations in the last 5 years; No UCMR 5 PFAS results on file.
A

Sullivan County Human Service Complex

Serves 720 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

Kinnebrook Estates MHP

Serves 680 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

Kiamesha-Route 42 WD

Serves 500 people · Groundwater · Full report →
No health-based violations in the last 5 years; No UCMR 5 PFAS results on file; Latest lead 90th percentile on file is from 2005 (older than 5 years, not graded).
B

Windsor Hill Estates

Serves 384 people · Groundwater · Full report →
No health-based violations in the last 5 years; 92 monitoring/reporting violations; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2023).
A

Melody Lake WD

Serves 150 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

Cold Spring Rd WD - Thompson

Serves 82 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

Lucky Lake WD

Serves 60 people · Groundwater · Full report →
No 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 (2026).
A

Brookside Mobile Home Park

Serves 36 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).
B

Dillon Farm WD

Serves 30 people · Groundwater · Full report →
1 health-based violation in the last 5 years; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2025).