Public water system · NY0430024
ActiveAllegany-Limestone School
At a glance
Allegany-Limestone School (PWSID NY0430024) is an active non-transient non-community water system in Cattaraugus County, New York. It reports serving 855 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 3 violations for this system; none is health-based, and the most recent began in January 2015.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
855
Service connections
1
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does Allegany-Limestone School compare with other water systems in Cattaraugus County?
By EPA's size categories, Allegany-Limestone School is a small system (501 to 3,300 people). Cattaraugus County has 147 active public water systems. Its population served is about twice the county average of 450 people per system, and accounts for 1.3% 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 Allegany-Limestone School is about twice 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 Allegany-Limestone School?
EPA lists Allegany-Limestone School 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. 43 of the 147 active systems in Cattaraugus County (29%) are also owned by a local government.
Does Allegany-Limestone School have drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in January 2015. The violations listed here began between October 2008 and January 2015. By type: 3 monitoring and reporting. The contaminants or rules involved are Haloacetic acids (HAA5), Total trihalomethanes (TTHM) and Lead and Copper Rule. EPA lists 3 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.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2015-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2015-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2008-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
All 3 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.
Allegany-Limestone School: frequently asked questions
Who runs Allegany-Limestone School?
Allegany-Limestone School (PWSID NY0430024) is a non-transient non-community water system owned by a local government. It is regulated by the NY state drinking water program.
How many people does Allegany-Limestone School serve?
Allegany-Limestone School reports serving 855 people through 1 service connection in Cattaraugus County, New York.
Where does Allegany-Limestone 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 Allegany-Limestone School have any drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in January 2015. 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 Allegany-Limestone 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 3 violations for this system; none is health-based, and the most recent began in January 2015. For current results, consult EPA ECHO, or the NY state drinking water program.
Where can I find Allegany-Limestone School's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Allegany-Limestone 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 system | County | Population served | Type | Source |
|---|---|---|---|---|
| Olean City | Cattaraugus | 14,500 | Community | Surface water |
| Salamanca City | Cattaraugus | 5,815 | Community | Groundwater |
| Asp - Red House Water Supply | Cattaraugus | 4,030 | Non-transient non-community | Groundwater |
| Asp - Barton & Weller Trail | Cattaraugus | 4,025 | Non-transient non-community | Groundwater |
| Gowanda Village | Cattaraugus | 2,800 | Community | Surface water |
| Allegany Village | Cattaraugus | 2,000 | 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, “Allegany-Limestone School, PWSID NY0430024, New York”, https://aquacensus.com/water-systems/new-york/allegany-limestone-school-ny0430024 (data as of October 1, 2026).