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Public water system · NY0600393

Active

Hanover Wd #1 5&20 Slvr Crk To Catt Crk

At a glance

Hanover Wd #1 5&20 Slvr Crk To Catt Crk (PWSID NY0600393) is an active community water system in Chautauqua County, New York. It reports serving 2,173 people through 908 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. EPA's records list 5 violations for this system; none is health-based, and the most recent began in October 2014.

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

Population served

2,173

Service connections

908

Primary source

SWP

Purchased surface water

System type

CWS

Community water system

System record

PWSIDNY0600393
System typeCommunity water system
Activity statusActive
Population served2,173
Service connections908
Primary water sourcePurchased surface water
Owner typeLocal government
Primacy agencyNY state drinking water program
City servedHanover (T)
StateNew York
ZIP—
CountyChautauqua County

How does Hanover Wd #1 5&20 Slvr Crk To Catt Crk compare with other water systems in Chautauqua County?

By EPA's size categories, Hanover Wd #1 5&20 Slvr Crk To Catt Crk is a small system (501 to 3,300 people). Chautauqua County has 193 active public water systems. Its population served is about 3.3 times the county average of 654 people per system, and accounts for 1.7% of the 126,295 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 Hanover Wd #1 5&20 Slvr Crk To Catt Crk 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 Hanover Wd #1 5&20 Slvr Crk To Catt Crk?

EPA lists Hanover Wd #1 5&20 Slvr Crk To Catt Crk 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. 23 of the 193 active systems in Chautauqua County (12%) are also owned by a local government.

Does Hanover Wd #1 5&20 Slvr Crk To Catt Crk have drinking water violations?

EPA's records list 5 violations for this system; none is health-based, and the most recent began in October 2014. The violations listed here began between October 1999 and October 2014. By type: 4 monitoring and reporting and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Total trihalomethanes (TTHM) (2 of them). EPA lists 5 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
2014-10-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Total trihalomethanes (TTHM)code 2950NoResolved
2014-10-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Haloacetic acids (HAA5)code 2456NoResolved
2013-10-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Total trihalomethanes (TTHM)code 2950NoResolved
2013-10-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Haloacetic acids (HAA5)code 2456NoResolved
1999-10-19Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved

All 5 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.

Hanover Wd #1 5&20 Slvr Crk To Catt Crk: frequently asked questions

Who runs Hanover Wd #1 5&20 Slvr Crk To Catt Crk?

Hanover Wd #1 5&20 Slvr Crk To Catt Crk (PWSID NY0600393) is a community water system owned by a local government. It is regulated by the NY state drinking water program.

How many people does Hanover Wd #1 5&20 Slvr Crk To Catt Crk serve?

Hanover Wd #1 5&20 Slvr Crk To Catt Crk reports serving 2,173 people through 908 service connections in Chautauqua County, New York.

Where does Hanover Wd #1 5&20 Slvr Crk To Catt Crk 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 Hanover Wd #1 5&20 Slvr Crk To Catt Crk have any drinking water violations?

EPA's records list 5 violations for this system; none is health-based, and the most recent began in October 2014. 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 Hanover Wd #1 5&20 Slvr Crk To Catt Crk'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 5 violations for this system; none is health-based, and the most recent began in October 2014. For current results, consult the system's annual water quality report, EPA ECHO, or the NY state drinking water program.

Where can I find Hanover Wd #1 5&20 Slvr Crk To Catt Crk's water quality report?

As a community water system, Hanover Wd #1 5&20 Slvr Crk To Catt Crk 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 Chautauqua County

Water systemCountyPopulation servedTypeSource
Jamestown BpuChautauqua46,712CommunityGroundwater
Dunkirk CityChautauqua12,743CommunitySurface water
Fredonia VillageChautauqua9,585CommunitySurface water
Chautauqua Utility DistrictChautauqua9,000CommunitySurface water
Westfield Village and TownChautauqua3,890CommunitySurface water
North Chautauqua County Water DistrictChautauqua3,100CommunityPurchased 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, “Hanover Wd #1 5&20 Slvr Crk To Catt Crk, PWSID NY0600393, New York”, https://aquacensus.com/water-systems/new-york/hanover-wd-1-5-20-slvr-crk-to-catt-crk-ny0600393 (data as of October 1, 2026).