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Public water system · NY5907674

Active

Pound Ridge Elementary School

At a glance

Pound Ridge Elementary School (PWSID NY5907674) is an active non-transient non-community water system in Westchester County, New York. It reports serving 300 people through 1 service connection. Its primary water source is groundwater under influence of surface water, and EPA lists it as owned by a local government. EPA's records list 10 violations for this system; 4 are health-based, and the most recent began in January 2019.

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

Population served

300

Service connections

1

Primary source

GU

Groundwater under influence of surface water

System type

NTNCWS

Non-transient non-community water system

System record

PWSIDNY5907674
System typeNon-transient non-community water system
Activity statusActive
Population served300
Service connections1
Primary water sourceGroundwater under influence of surface water
Owner typeLocal government
Primacy agencyNY state drinking water program
City servedPound Ridge (T)
StateNew York
ZIP—
CountyWestchester County

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

By EPA's size categories, Pound Ridge Elementary School 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 non-transient non-community water system reports serving 430 people, so Pound Ridge Elementary School is about 30% below that figure.

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

A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. New York has 704 active non-transient non-community water systems, 8.6% of the state's 8,167 active systems. Groundwater under the influence of surface water is well or spring water that the regulator has found to be affected by nearby surface water, so it is regulated under the surface-water treatment rules. 241 New York systems (3%) list groundwater under influence of surface water as their primary source.

Who owns and regulates Pound Ridge Elementary School?

EPA lists Pound Ridge Elementary School 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. 77 of the 273 active systems in Westchester County (28%) are also owned by a local government.

Does Pound Ridge Elementary School have drinking water violations?

EPA's records list 10 violations for this system; 4 are health-based, and the most recent began in January 2019. The violations listed here began between May 2003 and January 2019. By type: 4 monitoring and reporting, 4 required treatment not met, 1 monitoring and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Long Term 2 Enhanced Surface Water Treatment Rule (2 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
2019-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2018-05-01Required treatment not metTreatment Technique (SWTR and GWR) · code 41Long Term 2 Enhanced Surface Water Treatment Rulecode 0800YesResolved
2017-09-01Required treatment not metTreatment Technique (SWTR and GWR) · code 41Long Term 2 Enhanced Surface Water Treatment Rulecode 0800YesResolved
2016-11-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2012-09-01Public notice, recordkeeping or otherOperations Report · code 10Not reportedNoResolved
2009-11-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2009-08-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2008-07-31Required treatment not metFailure to Filter (SWTR) · code 42Surface Water Treatment Rulecode 0200YesResolved
2006-01-01Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52Lead and Copper Rulecode 5000NoResolved
2003-05-05Required treatment not metTreatment Technique No Certif. Operator · code 12Stage 1 Disinfectants and Disinfection Byproducts Rulecode 0400YesResolved

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 Elementary School: frequently asked questions

Who runs Pound Ridge Elementary School?

Pound Ridge Elementary School (PWSID NY5907674) is a non-transient non-community water system owned by a local government. It is regulated by the NY state drinking water program.

How many people does Pound Ridge Elementary School serve?

Pound Ridge Elementary School reports serving 300 people through 1 service connection in Westchester County, New York.

Where does Pound Ridge Elementary School get its water?

EPA SDWIS lists this system's primary water source as groundwater under influence of surface water. Groundwater under the influence of surface water is well or spring water that the regulator has found to be affected by nearby surface water, so it is regulated under the surface-water treatment rules.

Does Pound Ridge Elementary School have any drinking water violations?

EPA's records list 10 violations for this system; 4 are health-based, and the most recent began in January 2019. 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 Elementary School'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; 4 are health-based, and the most recent began in January 2019. For current results, consult EPA ECHO, or the NY state drinking water program.

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

The annual Consumer Confidence Report requirement applies to community water systems. Pound Ridge Elementary School is a non-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 Elementary School, PWSID NY5907674, New York”, https://aquacensus.com/water-systems/new-york/pound-ridge-elementary-school-ny5907674 (data as of October 1, 2026).