D23/100
LIBERTY UTILITIES NEW YORK - MERRICK — Water Quality Report 2026
Serving 135,000 people · New York
Water Source
Groundwater
County
—
System ID
NY2902840
Violations
62
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
cobalt | 8.50 µg/L | — | Above Goal |
EPA Violation History
3
Violations (last 5yr)
0
Unresolved
3
Health-Related
TIER 2Resolved
Public notification violation
When: July 1, 2024 – December 31, 2024Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 2Resolved
Public notification violation
When: January 1, 2024 – June 30, 2024Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 2Resolved
Public notification violation
When: July 1, 2023 – December 31, 2023Rule: Ground Water RuleEnforcement: 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 LIBERTY UTILITIES NEW YORK - MERRICK
Is LIBERTY UTILITIES NEW YORK - MERRICK water safe to drink?
LIBERTY UTILITIES NEW YORK - MERRICK water receives a grade of D (23/100), which is considered poor. 0 contaminant(s) exceed EPA legal limits and 62 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has LIBERTY UTILITIES NEW YORK - MERRICK detected?
73 contaminants were tested in LIBERTY UTILITIES NEW YORK - MERRICK's water. Notable contaminants include cobalt. No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does LIBERTY UTILITIES NEW YORK - MERRICK have any EPA violations?
Yes, LIBERTY UTILITIES NEW YORK - MERRICK has 62 EPA violation(s) on record, with the most recent in 2024. Violation types include TT, MR. 3 are health-based violations.
How many people does LIBERTY UTILITIES NEW YORK - MERRICK serve?
LIBERTY UTILITIES NEW YORK - MERRICK serves approximately 135,000 people, New York. The system provides water to 1 community: Hempstead (T).
What type of water does LIBERTY UTILITIES NEW YORK - MERRICK provide?
LIBERTY UTILITIES NEW YORK - MERRICK sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is NY2902840.
How does LIBERTY UTILITIES NEW YORK - MERRICK compare to other utilities in New York?
LIBERTY UTILITIES NEW YORK - MERRICK scores 23/100 with a grade of D (poor). This score suggests significant water quality concerns relative to other utilities. Visit our New York state page for a full comparison of water systems.