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Public water system · NY5903423

Active

Cortlandt Consolidated Wd

At a glance

Cortlandt Consolidated Wd (PWSID NY5903423) is an active community water system in Westchester County, New York. It reports serving 28,369 people through 7,300 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in April 2016.

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

Population served

28,369

Service connections

7,300

Primary source

SWP

Purchased surface water

System type

CWS

Community water system

System record

PWSIDNY5903423
System typeCommunity water system
Activity statusActive
Population served28,369
Service connections7,300
Primary water sourcePurchased surface water
Owner typeLocal government
Primacy agencyNY state drinking water program
City servedCortlandt (T)
StateNew York
ZIP—
CountyWestchester County

How does Cortlandt Consolidated Wd compare with other water systems in Westchester County?

By EPA's size categories, Cortlandt Consolidated Wd is a large system (10,001 to 100,000 people). Westchester County has 273 active public water systems. Its population served is about 7.5 times the county average of 3,808 people per system, and accounts for 2.7% 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 community water system reports serving 6,703 people, so Cortlandt Consolidated Wd is about 4.2 times 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. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. 399 New York systems (4.9%) list purchased surface water as their primary source.

Who owns and regulates Cortlandt Consolidated Wd?

EPA lists Cortlandt Consolidated Wd 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 Cortlandt Consolidated Wd have drinking water violations?

Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in April 2016. The violations listed here began between January 2010 and April 2016. By type: 9 monitoring and reporting, 2 contaminant level above the legal limit and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Surface Water Treatment Rule (5 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
2016-04-01Monitoring and reportingMonitoring, Routine (IDSE) · code 30Haloacetic acids (HAA5)code 2456NoResolved
2016-04-01Monitoring and reportingMonitoring, Routine (IDSE) · code 30Total trihalomethanes (TTHM)code 2950NoResolved
2012-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2012-01-01Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36Surface Water Treatment Rulecode 0200NoResolved
2012-01-01Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72Consumer Confidence Rulecode 7000NoResolved
2011-12-01Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36Surface Water Treatment Rulecode 0200NoResolved
2011-11-01Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36Surface Water Treatment Rulecode 0200NoResolved
2011-08-01Monitoring and reportingMonitoring, Repeat Minor (TCR) · code 26Total coliform bacteria (TCR)code 3100NoResolved
2010-11-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2010-02-01Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24Total coliform bacteria (TCR)code 3100NoResolved
2010-02-01Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36Surface Water Treatment Rulecode 0200NoResolved
2010-01-01Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36Surface Water Treatment Rulecode 0200NoResolved

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.

Cortlandt Consolidated Wd: frequently asked questions

Who runs Cortlandt Consolidated Wd?

Cortlandt Consolidated Wd (PWSID NY5903423) is a community water system owned by a local government. It is regulated by the NY state drinking water program.

How many people does Cortlandt Consolidated Wd serve?

Cortlandt Consolidated Wd reports serving 28,369 people through 7,300 service connections in Westchester County, New York.

Where does Cortlandt Consolidated Wd get its water?

EPA SDWIS lists this system's primary water source as purchased surface water. Purchased surface water means the system buys surface water from another public water system rather than drawing its own.

Does Cortlandt Consolidated Wd have any drinking water violations?

Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in April 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 Cortlandt Consolidated Wd'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, 2 are health-based, and the most recent began in April 2016. For current results, consult the system's annual water quality report, EPA ECHO, or the NY state drinking water program.

Where can I find Cortlandt Consolidated Wd's water quality report?

As a community water system, Cortlandt Consolidated Wd 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 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, “Cortlandt Consolidated Wd, PWSID NY5903423, New York”, https://aquacensus.com/water-systems/new-york/cortlandt-consolidated-wd-ny5903423 (data as of October 1, 2026).