Public water system · NY5030114
ActiveHornby Water District
At a glance
Hornby Water District (PWSID NY5030114) is an active community water system in Steuben County, New York. It reports serving 50 people through 20 service connections. EPA's records list 4 violations for this system; none is health-based, and the most recent began in January 2023.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
50
Service connections
20
Primary source
—
Not reported
System type
CWS
Community water system
System record
How does Hornby Water District compare with other water systems in Steuben County?
By EPA's size categories, Hornby Water District is a very small system (500 people or fewer). Steuben County has 153 active public water systems. Its population served is well below the county average of 390 people per system, and accounts for less than 0.1% of the 59,732 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 Hornby Water District 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.
Who owns and regulates Hornby Water District?
EPA lists Hornby Water District 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. 40 of the 153 active systems in Steuben County (26%) are also owned by a local government.
Does Hornby Water District have drinking water violations?
EPA's records list 4 violations for this system; none is health-based, and the most recent began in January 2023. The violations listed here began between January 2020 and January 2023. By type: 4 monitoring and reporting. The contaminant or rule involved most often is Total trihalomethanes (TTHM) (2 of them). EPA lists 4 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 |
|---|---|---|---|---|
| 2023-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2023-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
All 4 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.
Hornby Water District: frequently asked questions
Who runs Hornby Water District?
Hornby Water District (PWSID NY5030114) is a community water system owned by a local government. It is regulated by the NY state drinking water program.
How many people does Hornby Water District serve?
Hornby Water District reports serving 50 people through 20 service connections in Steuben County, New York.
Does Hornby Water District have any drinking water violations?
EPA's records list 4 violations for this system; none is health-based, and the most recent began in January 2023. 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 Hornby Water District'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 4 violations for this system; none is health-based, and the most recent began in January 2023. For current results, consult the system's annual water quality report, EPA ECHO, or the NY state drinking water program.
Where can I find Hornby Water District's water quality report?
As a community water system, Hornby Water District 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 Steuben County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Corning City | Steuben | 10,300 | Community | Groundwater |
| Hornell City | Steuben | 9,870 | Community | Surface water |
| Bath Village Consolidated Sampling Area | Steuben | 5,400 | Community | Groundwater |
| Morningside Heights Wd / Erwin (T) | Steuben | 4,570 | Community | Groundwater |
| Canisteo Village | Steuben | 2,100 | Community | Groundwater |
| Sullivan Park - Corning Inc. | Steuben | 1,950 | Non-transient non-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, “Hornby Water District, PWSID NY5030114, New York”, https://aquacensus.com/water-systems/new-york/hornby-water-district-ny5030114 (data as of October 1, 2026).