Is Cortlandt (T), New York tap water safe?
3 water systems report serving Cortlandt (T). Your water depends on which one serves your address. Check your bill if unsure.
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Cortlandt Consolidated WD
Serves 28,369 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 (2023).
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Montrose Improvement District
Serves 3,100 people · Surface water · Full report →
No health-based violations in the last 5 years; 4 monitoring/reporting violations; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2025).
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Northern Westchester Joint Water Works
Population not reported (often a wholesaler) · Surface water · 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 2006 (older than 5 years, not graded).