C47/100
West Nyack Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 481,785 residents · New York
What's In West Nyack's Tap Water?
76
Contaminants Tested
0
Exceed EPA Limits
2
Above EPA Goals
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
chlorate | 380.00 µg/L | — | Above Goal |
Lead (90th percentile) | 0.003 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2016.
Understanding violation severity
Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.
Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly
Water Utility Details
BLUE LAKE
Population Served
1,850
Water Source
Surface Water
System ID
NY3512132
MAHOPAC WATER CO
Population Served
1,202
Water Source
Groundwater
System ID
NY3905707
VEOLIA WATER NEW YORK
Population Served
270,000
Water Source
Surface Water
System ID
NY4303673
VEOLIA WATER NEW YORK, INC. RD-1
Population Served
146,732
Water Source
Purchased Surface Water
System ID
NY5903444
VEOLIA WATER NEW YORK, INC. RD-2
Population Served
57,301
Water Source
Purchased Surface Water
System ID
NY5903456
HERITAGE HILLS WATER SYSTEM
Population Served
4,700
Water Source
Groundwater
System ID
NY5917221
Frequently Asked Questions About West Nyack Water
Is West Nyack tap water safe to drink?
West Nyack, New York tap water receives a grade of C (47/100), which is considered fair. 3 contaminant(s) exceed EPA maximum contaminant levels and 302 violation(s) are on record. Residents should consider using an NSF-certified water filter to reduce contaminant exposure.
What contaminants are in West Nyack's water?
Of the 80 contaminants tested in West Nyack's water supply, the most notable include PFOA, PFOS, Copper (90th percentile), Lead (90th percentile), chlorate. 3 contaminant(s) exceed EPA legal limits (MCLs). 5 contaminant(s) exceed EPA health goals (MCLGs), which are non-enforceable targets set at levels with no known health risk.
Does West Nyack have any water quality violations?
Yes, West Nyack has 302 EPA violation(s) on record, with the most recent in 2024. Violation types include MR, Other, MON. 18 of these are health-based violations, which are the most serious category.
Do I need a water filter in West Nyack?
Based on EPA data, using a water filter in West Nyack is recommended. 3 contaminant(s) exceed legal limits. An NSF-certified filter — such as a reverse osmosis or activated carbon system — can effectively reduce many common contaminants. Choose a filter certified to remove the specific contaminants found in your area.
Where does West Nyack's tap water come from?
West Nyack's drinking water is sourced from surface water and supplied by BLUE LAKE and 5 other water system(s). The system serves approximately 481,785 people. Surface water sources include rivers, lakes, and reservoirs.
How often is West Nyack's water tested?
Under the Safe Drinking Water Act (SDWA), water utilities are required to regularly test for over 90 contaminants. Testing frequency varies by contaminant — some are tested monthly, others quarterly or annually. West Nyack's water systems must report results to the EPA and publish an annual Consumer Confidence Report (CCR). The data on this page reflects the latest available EPA testing data.
How does West Nyack's water compare to other cities in New York?
West Nyack's water quality score of 47/100 earns a grade of C, which is considered fair. This is a below-average score that indicates room for improvement. Visit our New York state page to see how all cities in the state compare.
What should I do if I'm concerned about West Nyack's water quality?
If you have concerns about West Nyack's tap water, consider these steps: (1) Request your utility's annual Consumer Confidence Report for detailed local data. (2) Get your water independently tested through a state-certified laboratory. (3) Consider an NSF-certified water filter rated for the contaminants found in your area. (4) Contact your water utility (BLUE LAKE) with specific questions. (5) Report water quality issues to your state drinking water program or the EPA Safe Drinking Water Hotline at 800-426-4791.