Public water system · NY5130214
ActiveOak Beach Public Water Supply
At a glance
Oak Beach Public Water Supply (PWSID NY5130214) is an active community water system in Suffolk County, New York. It reports serving 66 people through 54 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list one violation for this system; it is not health-based, and the most recent began in January 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
66
Service connections
54
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Oak Beach Public Water Supply compare with other water systems in Suffolk County?
By EPA's size categories, Oak Beach Public Water Supply is a very small system (500 people or fewer). Suffolk County has 151 active public water systems. Its population served is well below the county average of 9,192 people per system, and accounts for less than 0.1% of the 1,387,972 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 Oak Beach Public Water Supply 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 Oak Beach Public Water Supply?
EPA lists Oak Beach Public Water Supply as owned by a local government. 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. 38 of the 151 active systems in Suffolk County (25%) are also owned by a local government.
Does Oak Beach Public Water Supply have drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in January 2024. By type: 1 monitoring and reporting. The contaminant or rule involved is Thallium. EPA lists 1 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 |
|---|---|---|---|---|
| 2024-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Thalliumcode 1085 | No | Resolved |
The one violation in EPA's records.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.
Oak Beach Public Water Supply: frequently asked questions
Who runs Oak Beach Public Water Supply?
Oak Beach Public Water Supply (PWSID NY5130214) is a community water system owned by a local government. It is regulated by the NY state drinking water program.
How many people does Oak Beach Public Water Supply serve?
Oak Beach Public Water Supply reports serving 66 people through 54 service connections in Suffolk County, New York.
Where does Oak Beach Public Water Supply 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 Oak Beach Public Water Supply have any drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in January 2024. 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 Oak Beach Public Water Supply'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 one violation for this system; it is not health-based, and the most recent began in January 2024. For current results, consult the system's annual water quality report, EPA ECHO, or the NY state drinking water program.
Where can I find Oak Beach Public Water Supply's water quality report?
As a community water system, Oak Beach Public Water Supply 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 Suffolk County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Suffolk County Water Authority | Suffolk | 1,100,000 | Community | Groundwater |
| South Huntington Water District | Suffolk | 81,760 | Community | Groundwater |
| Greenlawn Water District | Suffolk | 42,000 | Community | Groundwater |
| Riverhead Water District | Suffolk | 35,000 | Community | Groundwater |
| Dix Hills Water District | Suffolk | 34,522 | Community | Groundwater |
| Smithtown Water District | Suffolk | 19,635 | Community | Purchased 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, “Oak Beach Public Water Supply, PWSID NY5130214, New York”, https://aquacensus.com/water-systems/new-york/oak-beach-public-water-supply-ny5130214 (data as of October 1, 2026).