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Public water system · NY0416765

Active

Ellicottville Central School

At a glance

Ellicottville Central School (PWSID NY0416765) is an active non-transient non-community water system in Cattaraugus County, New York. It reports serving 800 people through 2 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 9 violations for this system; none is health-based, and the most recent began in October 2024.

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

Population served

800

Service connections

2

Primary source

GW

Groundwater

System type

NTNCWS

Non-transient non-community water system

System record

PWSIDNY0416765
System typeNon-transient non-community water system
Activity statusActive
Population served800
Service connections2
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyNY state drinking water program
City servedGreat Valley (T)
StateNew York
ZIP—
CountyCattaraugus County

How does Ellicottville Central School compare with other water systems in Cattaraugus County?

By EPA's size categories, Ellicottville Central School is a small system (501 to 3,300 people). Cattaraugus County has 147 active public water systems. Its population served is about 78% above the county average of 450 people per system, and accounts for 1.2% 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 non-transient non-community water system reports serving 430 people, so Ellicottville Central School is about 86% above 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 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 Ellicottville Central School?

EPA lists Ellicottville Central School as privately owned. 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. 94 of the 147 active systems in Cattaraugus County (64%) are also privately owned.

Does Ellicottville Central School have drinking water violations?

EPA's records list 9 violations for this system; none is health-based, and the most recent began in October 2024. The violations listed here began between January 2004 and October 2024. By type: 5 monitoring and reporting, 3 monitoring and 1 reporting. The contaminant or rule involved most often is Revised Total Coliform Rule (3 of them). EPA lists 9 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
2024-10-17ReportingLSL Reporting · code 4GLead and Copper Rule Revisionscode 5200NoResolved
2023-01-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Total trihalomethanes (TTHM)code 2950NoResolved
2023-01-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Haloacetic acids (HAA5)code 2456NoResolved
2020-12-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2020-11-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2020-05-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2020-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2017-10-01Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52Lead and Copper Rulecode 5000NoResolved
2004-01-01Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52Lead and Copper Rulecode 5000NoResolved

All 9 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.

Ellicottville Central School: frequently asked questions

Who runs Ellicottville Central School?

Ellicottville Central School (PWSID NY0416765) is a non-transient non-community water system privately owned. It is regulated by the NY state drinking water program.

How many people does Ellicottville Central School serve?

Ellicottville Central School reports serving 800 people through 2 service connections in Cattaraugus County, New York.

Where does Ellicottville Central School 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 Ellicottville Central School have any drinking water violations?

EPA's records list 9 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 Ellicottville Central 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 9 violations for this system; none is health-based, and the most recent began in October 2024. For current results, consult EPA ECHO, or the NY state drinking water program.

Where can I find Ellicottville Central School's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Ellicottville Central 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 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, “Ellicottville Central School, PWSID NY0416765, New York”, https://aquacensus.com/water-systems/new-york/ellicottville-central-school-ny0416765 (data as of October 1, 2026).