Public water system · NY2902838
ActiveLiberty Utilities New York - Mill Neck
At a glance
Liberty Utilities New York - Mill Neck (PWSID NY2902838) is an active community water system in Nassau County, New York. It reports serving 280 people through 97 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 5 violations for this system; none is health-based, and the most recent began in October 2012.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
280
Service connections
97
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Liberty Utilities New York - Mill Neck compare with other water systems in Nassau County?
By EPA's size categories, Liberty Utilities New York - Mill Neck is a very small system (500 people or fewer). Nassau County has 44 active public water systems. Its population served is well below the county average of 31,534 people per system, and accounts for less than 0.1% of the 1,387,479 people reported by systems filed under the county. Across New York, the 8,167 active systems average 2,374 people each. Nationally, the average active community water system reports serving 6,703 people, so Liberty Utilities New York - Mill Neck is well below that figure.
What does “community water system” mean?
A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. New York has 2,281 active community water systems, 28% of the state's 8,167 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 7,096 New York systems (87%) list groundwater as their primary source.
Who owns and regulates Liberty Utilities New York - Mill Neck?
EPA lists Liberty Utilities New York - Mill Neck as privately owned. The NY state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 5 of the 44 active systems in Nassau County (11%) are also privately owned.
Does Liberty Utilities New York - Mill Neck have drinking water violations?
EPA's records list 5 violations for this system; none is health-based, and the most recent began in October 2012. The violations listed here began between October 1999 and October 2012. By type: 3 public notice, recordkeeping or other and 2 monitoring and reporting. The contaminant or rule involved most often is Nitrate (2 of them). EPA lists 5 as resolved. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2012-10-01 | Public notice, recordkeeping or otherOperations Report · code 10 | Not reported | No | Resolved |
| 2012-05-01 | Public notice, recordkeeping or otherOperations Report · code 10 | Not reported | No | Resolved |
| 2012-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2012-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 1999-10-19 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
All 5 violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.
Liberty Utilities New York - Mill Neck: frequently asked questions
Who runs Liberty Utilities New York - Mill Neck?
Liberty Utilities New York - Mill Neck (PWSID NY2902838) is a community water system privately owned. It is regulated by the NY state drinking water program.
How many people does Liberty Utilities New York - Mill Neck serve?
Liberty Utilities New York - Mill Neck reports serving 280 people through 97 service connections in Nassau County, New York.
Where does Liberty Utilities New York - Mill Neck get its water?
EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.
Does Liberty Utilities New York - Mill Neck have any drinking water violations?
EPA's records list 5 violations for this system; none is health-based, and the most recent began in October 2012. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.
Is Liberty Utilities New York - Mill Neck's water safe to drink?
AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. EPA's records list 5 violations for this system; none is health-based, and the most recent began in October 2012. For current results, consult the system's annual water quality report, EPA ECHO, or the NY state drinking water program.
Where can I find Liberty Utilities New York - Mill Neck's water quality report?
As a community water system, Liberty Utilities New York - Mill Neck must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.
Other water systems in Nassau County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Liberty Utilities New York - Lynbrook | Nassau | 220,000 | Community | Groundwater |
| Liberty Utilities New York - Merrick | Nassau | 135,000 | Community | Groundwater |
| Wa of Western Nassau | Nassau | 120,000 | Community | Groundwater |
| Town of Hempstead Water Department | Nassau | 110,000 | Community | Groundwater |
| Jericho Wd | Nassau | 58,000 | Community | Groundwater |
| Hempstead (V) | Nassau | 56,000 | Community | Groundwater |
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About this data
Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.
Cite as: AquaCensus, “Liberty Utilities New York - Mill Neck, PWSID NY2902838, New York”, https://aquacensus.com/water-systems/new-york/liberty-utilities-new-york-mill-neck-ny2902838 (data as of October 1, 2026).