B77/100
YONKERS CITY — Water Quality Report 2026
Serving 211,569 people · New York
Water Source
Purchased Surface Water
County
—
System ID
NY5903465
Violations
4
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.81 mg/L | 1.30 mg/L | Over Limit |
Lead (90th percentile) | 0.007 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2015.
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 YONKERS CITY
Is YONKERS CITY water safe to drink?
YONKERS CITY water receives a grade of B (77/100), which is considered good. Out of 77 contaminants tested, 1 exceed EPA legal limits. 2 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has YONKERS CITY detected?
77 contaminants were tested in YONKERS CITY's water. Notable contaminants include Copper (90th percentile), Lead (90th percentile). 1 exceed EPA legal limits (MCLs). 2 exceed EPA health goals (MCLGs).
Does YONKERS CITY have any EPA violations?
Yes, YONKERS CITY has 4 EPA violation(s) on record, with the most recent in 2015. Violation types include TT, MR. 2 are health-based violations.
How many people does YONKERS CITY serve?
YONKERS CITY serves approximately 211,569 people, New York. The system provides water to 1 community: Yonkers (C).
What type of water does YONKERS CITY provide?
YONKERS CITY sources its water from purchased surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is NY5903465.
How does YONKERS CITY compare to other utilities in New York?
YONKERS CITY scores 77/100 with a grade of B (good). This is an above-average performance for utilities statewide. Visit our New York state page for a full comparison of water systems.