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Public water system · NY2902816

Active

Bayville (V)

At a glance

Bayville (V) (PWSID NY2902816) is an active community water system in Nassau County, New York. It reports serving 6,700 people through 2,432 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, 3 are health-based, and the most recent began in October 2024.

Dataset updated . Source: EPA SDWIS/ECHO public records.

Population served

6,700

Service connections

2,432

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDNY2902816
System typeCommunity water system
Activity statusActive
Population served6,700
Service connections2,432
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyNY state drinking water program
City servedBayville (V)
StateNew York
ZIP—
CountyNassau County

How does Bayville (V) compare with other water systems in Nassau County?

By EPA's size categories, Bayville (V) is a medium system (3,301 to 10,000 people). 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 0.5% 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 Bayville (V) is roughly in line with 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 Bayville (V)?

EPA lists Bayville (V) 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. 21 of the 44 active systems in Nassau County (48%) are also owned by a local government.

Does Bayville (V) have drinking water violations?

Of the 12 most recent violations in EPA's records, 3 are health-based, and the most recent began in October 2024. The violations listed here began between October 1998 and October 2024. By type: 5 public notice, recordkeeping or other, 3 monitoring and reporting, 3 contaminant level above the legal limit and 1 reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (4 of them). EPA lists 12 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.

BeganViolationContaminant or ruleHealth-basedStatus
2024-10-17ReportingLSL Reporting · code 4GLead and Copper Rule Revisionscode 5200NoResolved
2014-10-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2014-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2012-12-01Public notice, recordkeeping or otherOperations Report · code 10Not reportedNoResolved
2012-10-01Public notice, recordkeeping or otherOperations Report · code 10Not reportedNoResolved
2012-07-01Public notice, recordkeeping or otherOperations Report · code 10Not reportedNoResolved
2012-05-01Public notice, recordkeeping or otherOperations Report · code 10Not reportedNoResolved
2012-04-01Public notice, recordkeeping or otherOperations Report · code 10Not reportedNoResolved
2006-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2002-03-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Acute (TCR) · code 21Total coliform bacteria (TCR)code 3100YesResolved
1998-10-01Monitoring and reportingMonitoring, Regular · code 031,2-Dichloroethanecode 2980NoResolved
1998-10-01Monitoring and reportingMonitoring, Regular · code 03Dichloromethanecode 2964NoResolved

The 12 most recent 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.

Bayville (V): frequently asked questions

Who runs Bayville (V)?

Bayville (V) (PWSID NY2902816) is a community water system owned by a local government. It is regulated by the NY state drinking water program.

How many people does Bayville (V) serve?

Bayville (V) reports serving 6,700 people through 2,432 service connections in Nassau County, New York.

Where does Bayville (V) 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 Bayville (V) have any drinking water violations?

Of the 12 most recent violations in EPA's records, 3 are health-based, and the most recent began in October 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 Bayville (V)'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. Of the 12 most recent violations in EPA's records, 3 are health-based, and the most recent began in October 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 Bayville (V)'s water quality report?

As a community water system, Bayville (V) 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 systemCountyPopulation servedTypeSource
Liberty Utilities New York - LynbrookNassau220,000CommunityGroundwater
Liberty Utilities New York - MerrickNassau135,000CommunityGroundwater
Wa of Western NassauNassau120,000CommunityGroundwater
Town of Hempstead Water DepartmentNassau110,000CommunityGroundwater
Jericho WdNassau58,000CommunityGroundwater
Hempstead (V)Nassau56,000CommunityGroundwater

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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, “Bayville (V), PWSID NY2902816, New York”, https://aquacensus.com/water-systems/new-york/bayville-v-ny2902816 (data as of October 1, 2026).