F0/100
CORNWALL-ON-HUDSON — Water Quality Report 2026
Serving 9,700 people · New York
Water Source
Surface Water
County
—
System ID
NY3503526
Violations
242
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.001 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
1
Violation (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Other Violation
When: August 3, 2022 – August 10, 2022Enforcement: Resolving — corrective action underway
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 CORNWALL-ON-HUDSON
Is CORNWALL-ON-HUDSON water safe to drink?
CORNWALL-ON-HUDSON water receives a grade of F (0/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 242 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has CORNWALL-ON-HUDSON detected?
31 contaminants were tested in CORNWALL-ON-HUDSON's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does CORNWALL-ON-HUDSON have any EPA violations?
Yes, CORNWALL-ON-HUDSON has 242 EPA violation(s) on record, with the most recent in 2022. Violation types include Other, MR, TT. 3 are health-based violations.
How many people does CORNWALL-ON-HUDSON serve?
CORNWALL-ON-HUDSON serves approximately 9,700 people, New York. The system provides water to 1 community: Cornwall-On-Hudson (V).
What type of water does CORNWALL-ON-HUDSON provide?
CORNWALL-ON-HUDSON 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 NY3503526.
How does CORNWALL-ON-HUDSON compare to other utilities in New York?
CORNWALL-ON-HUDSON scores 0/100 with a grade of F (failing). This score suggests significant water quality concerns relative to other utilities. Visit our New York state page for a full comparison of water systems.