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Public water system · NY5930105

Active

Pound Ridge Plaza

At a glance

Pound Ridge Plaza (PWSID NY5930105) is an active transient non-community water system in Westchester County, New York. It reports serving 45 people through 2 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 10 violations for this system; 1 is health-based, and the most recent began in December 2016.

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

Population served

45

Service connections

2

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDNY5930105
System typeTransient non-community water system
Activity statusActive
Population served45
Service connections2
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyNY state drinking water program
City servedPound Ridge (T)
StateNew York
ZIP—
CountyWestchester County

How does Pound Ridge Plaza compare with other water systems in Westchester County?

By EPA's size categories, Pound Ridge Plaza is a very small system (500 people or fewer). Westchester County has 273 active public water systems. Its population served is well below the county average of 3,808 people per system, and accounts for less than 0.1% of the 1,039,556 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 transient non-community water system reports serving 144 people, so Pound Ridge Plaza is well below that figure.

What does “transient non-community water system” mean?

A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. New York has 5,182 active transient non-community water systems, 63% 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 Pound Ridge Plaza?

EPA lists Pound Ridge Plaza 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. 185 of the 273 active systems in Westchester County (68%) are also privately owned.

Does Pound Ridge Plaza have drinking water violations?

EPA's records list 10 violations for this system; 1 is health-based, and the most recent began in December 2016. The violations listed here began between October 2009 and December 2016. By type: 4 public notice, recordkeeping or other, 4 monitoring and reporting, 1 monitoring and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Total coliform bacteria (TCR) (5 of them). EPA lists 10 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
2016-12-01Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2016-11-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2013-09-01Public notice, recordkeeping or otherOperations Report · code 10Not reportedNoResolved
2013-07-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2011-09-01Public notice, recordkeeping or otherOperations Report · code 10Not reportedNoResolved
2010-08-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Acute (TCR) · code 21Total coliform bacteria (TCR)code 3100YesResolved
2010-06-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2010-04-01Public notice, recordkeeping or otherOperations Report · code 10Not reportedNoResolved
2010-04-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2009-10-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved

All 10 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.

Pound Ridge Plaza: frequently asked questions

Who runs Pound Ridge Plaza?

Pound Ridge Plaza (PWSID NY5930105) is a transient non-community water system privately owned. It is regulated by the NY state drinking water program.

How many people does Pound Ridge Plaza serve?

Pound Ridge Plaza reports serving 45 people through 2 service connections in Westchester County, New York.

Where does Pound Ridge Plaza 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 Pound Ridge Plaza have any drinking water violations?

EPA's records list 10 violations for this system; 1 is health-based, and the most recent began in December 2016. 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 Pound Ridge Plaza'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 10 violations for this system; 1 is health-based, and the most recent began in December 2016. For current results, consult EPA ECHO, or the NY state drinking water program.

Where can I find Pound Ridge Plaza's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Pound Ridge Plaza is a transient non-community water system, so it is not required to publish one; like every public water system, it must notify the people it serves about violations under EPA's public notification rules.

Other water systems in Westchester County

Water systemCountyPopulation servedTypeSource
Yonkers CityWestchester211,569CommunityPurchased surface water
Veolia Water New York, Inc.. Rd-1Westchester146,732CommunityPurchased surface water
Greenburgh Consolidated Wd #1Westchester86,624CommunityPurchased surface water
Mount Vernon Water DepartmentWestchester73,893CommunityPurchased surface water
Westchester Joint Water WorksWestchester59,629CommunitySurface water
White Plains CityWestchester59,559CommunityPurchased surface water

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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, “Pound Ridge Plaza, PWSID NY5930105, New York”, https://aquacensus.com/water-systems/new-york/pound-ridge-plaza-ny5930105 (data as of October 1, 2026).