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Public water system · NY0422797

Active

Willow Creek

At a glance

Willow Creek (PWSID NY0422797) is an active community water system in Cattaraugus County, New York. It reports serving 33 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as owned by a state government. EPA's records list 7 violations for this system; 4 are health-based, and the most recent began in October 2012.

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

Population served

33

Service connections

1

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDNY0422797
System typeCommunity water system
Activity statusActive
Population served33
Service connections1
Primary water sourceGroundwater
Owner typeState government
Primacy agencyNY state drinking water program
City servedHinsdale (T)
StateNew York
ZIP—
CountyCattaraugus County

How does Willow Creek compare with other water systems in Cattaraugus County?

By EPA's size categories, Willow Creek is a very small system (500 people or fewer). Cattaraugus County has 147 active public water systems. Its population served is well below the county average of 450 people per system, and accounts for less than 0.1% of the 66,097 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 Willow Creek 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. 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 Willow Creek?

EPA lists Willow Creek as owned by a state 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. 9 of the 147 active systems in Cattaraugus County (6.1%) are also owned by a state government.

Does Willow Creek have drinking water violations?

EPA's records list 7 violations for this system; 4 are health-based, and the most recent began in October 2012. The violations listed here began between October 1993 and October 2012. By type: 4 contaminant level above the legal limit and 3 monitoring and reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (4 of them). EPA lists 6 as resolved and 1 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.

BeganViolationContaminant or ruleHealth-basedStatus
2012-10-01Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52Lead and Copper Rulecode 5000NoResolved
2012-01-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Haloacetic acids (HAA5)code 2456NoResolved
2012-01-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Total trihalomethanes (TTHM)code 2950NoResolved
2005-09-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2004-08-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2003-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
1993-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesArchived

All 7 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.

Willow Creek: frequently asked questions

Who runs Willow Creek?

Willow Creek (PWSID NY0422797) is a community water system owned by a state government. It is regulated by the NY state drinking water program.

How many people does Willow Creek serve?

Willow Creek reports serving 33 people through 1 service connection in Cattaraugus County, New York.

Where does Willow Creek 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 Willow Creek have any drinking water violations?

EPA's records list 7 violations for this system; 4 are health-based, and the most recent began in October 2012. 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 Willow Creek'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 7 violations for this system; 4 are health-based, and the most recent began in October 2012. For current results, consult the system's annual water quality report, EPA ECHO, or the NY state drinking water program.

Where can I find Willow Creek's water quality report?

As a community water system, Willow Creek 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 Cattaraugus County

Water systemCountyPopulation servedTypeSource
Olean CityCattaraugus14,500CommunitySurface water
Salamanca CityCattaraugus5,815CommunityGroundwater
Asp - Red House Water SupplyCattaraugus4,030Non-transient non-communityGroundwater
Asp - Barton & Weller TrailCattaraugus4,025Non-transient non-communityGroundwater
Gowanda VillageCattaraugus2,800CommunitySurface water
Allegany VillageCattaraugus2,000CommunityGroundwater

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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, “Willow Creek, PWSID NY0422797, New York”, https://aquacensus.com/water-systems/new-york/willow-creek-ny0422797 (data as of October 1, 2026).