C56/100
WESTCHESTER JOINT WATER WORKS — Water Quality Report 2026
Serving 59,629 people · New York
Water Source
Surface Water
County
—
System ID
NY5903435
Violations
13
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.63 mg/L | 1.30 mg/L | Over Limit |
Lead (90th percentile) | 0.004 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2019.
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
Frequently Asked Questions About WESTCHESTER JOINT WATER WORKS
Is WESTCHESTER JOINT WATER WORKS water safe to drink?
WESTCHESTER JOINT WATER WORKS water receives a grade of C (56/100), which is considered fair. 1 contaminant(s) exceed EPA legal limits and 13 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has WESTCHESTER JOINT WATER WORKS detected?
70 contaminants were tested in WESTCHESTER JOINT WATER WORKS's water. Notable contaminants include Copper (90th percentile), Lead (90th percentile). 1 exceed EPA legal limits (MCLs). 2 exceed EPA health goals (MCLGs).
Does WESTCHESTER JOINT WATER WORKS have any EPA violations?
Yes, WESTCHESTER JOINT WATER WORKS has 13 EPA violation(s) on record, with the most recent in 2019. Violation types include MCL, TT, MR. 5 are health-based violations.
How many people does WESTCHESTER JOINT WATER WORKS serve?
WESTCHESTER JOINT WATER WORKS serves approximately 59,629 people, New York.
What type of water does WESTCHESTER JOINT WATER WORKS provide?
WESTCHESTER JOINT WATER WORKS sources its water from surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is NY5903435.
How does WESTCHESTER JOINT WATER WORKS compare to other utilities in New York?
WESTCHESTER JOINT WATER WORKS scores 56/100 with a grade of C (fair). This score indicates room for improvement compared to other utilities. Visit our New York state page for a full comparison of water systems.