Public water system · NY0501724

Active

Throop Wd No1

At a glance

Throop Wd No1 (PWSID NY0501724) is an active community water system in Cayuga County, New York. It reports serving 400 people through 244 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. EPA's records list 10 violations for this system; none is health-based, and the most recent began in October 2024.

Dataset updated October 2026 . Source: EPA SDWIS/ECHO public records.

Population served

400

Service connections

244

Primary source

SWP

Purchased surface water

System type

CWS

Community water system

System record

PWSIDNY0501724

System typeCommunity water system

Activity statusActive

Population served400

Service connections244

Primary water sourcePurchased surface water

Owner typeLocal government

Primacy agencyNY state drinking water program

City servedThroop (T)

StateNew York

ZIP—

CountyCayuga County

How does Throop Wd No1 compare with other water systems in Cayuga County?

By EPA's size categories, Throop Wd No1 is a very small system (500 people or fewer). Cayuga County has 88 active public water systems. Its population served is about 43% below the county average of 702 people per system, and accounts for 0.6% of the 61,743 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 Throop Wd No1 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. 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 Throop Wd No1?

EPA lists Throop Wd No1 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. 26 of the 88 active systems in Cayuga County (30%) are also owned by a local government.

Does Throop Wd No1 have drinking water violations?

EPA's records list 10 violations for this system; none is health-based, and the most recent began in October 2024. The violations listed here began between July 1993 and October 2024. By type: 6 monitoring and reporting, 3 public notice, recordkeeping or other and 1 reporting. The contaminant or rule involved most often is Lead and Copper Rule (3 of them). EPA lists 8 as resolved and 2 as archived. 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. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.

Began	Violation	Contaminant or rule	Health-based	Status
2024-10-17	ReportingLSL Reporting · code 4G	Lead and Copper Rule Revisionscode 5200	No	Resolved
2014-10-01	Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52	Lead and Copper Rulecode 5000	No	Resolved
2012-01-01	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Haloacetic acids (HAA5)code 2456	No	Archived
2012-01-01	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Total trihalomethanes (TTHM)code 2950	No	Archived
2008-10-01	Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52	Lead and Copper Rulecode 5000	No	Resolved
2004-11-01	Monitoring and reportingMonitoring, Routine Major (TCR) · code 23	Total coliform bacteria (TCR)code 3100	No	Resolved
2001-05-01	Public notice, recordkeeping or otherOperations Report · code 10	Not reported	No	Resolved
1999-10-19	Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71	Consumer Confidence Rulecode 7000	No	Resolved
1994-01-01	Public notice, recordkeeping or otherOperations Report · code 10	Not reported	No	Resolved
1993-07-01	Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51	Lead and Copper Rulecode 5000	No	Resolved

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.

Throop Wd No1: frequently asked questions

Who runs Throop Wd No1?

Throop Wd No1 (PWSID NY0501724) is a community water system owned by a local government. It is regulated by the NY state drinking water program.

How many people does Throop Wd No1 serve?

Throop Wd No1 reports serving 400 people through 244 service connections in Cayuga County, New York.

Where does Throop Wd No1 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 Throop Wd No1 have any drinking water violations?

EPA's records list 10 violations for this system; none is 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 Throop Wd No1'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; none is 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 Throop Wd No1's water quality report?

As a community water system, Throop Wd No1 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 Cayuga County

Water system	County	Population served	Type	Source
Auburn	Cayuga	27,179	Community	Surface water
Sterling Renaissance Festival	Cayuga	3,523	Transient non-community	Groundwater
Owasco Water District	Cayuga	3,000	Community	Surface water
Weedsport Village	Cayuga	2,300	Community	Purchased surface water
Union Springs Village	Cayuga	2,000	Community	Groundwater
Moravia Village	Cayuga	1,950	Community	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, “Throop Wd No1, PWSID NY0501724, New York”, https://aquacensus.com/water-systems/new-york/throop-wd-no1-ny0501724 (data as of October 1, 2026).