Public water system · NY0200313
ActiveBelfast Water District
At a glance
Belfast Water District (PWSID NY0200313) is an active community water system in Allegany County, New York. It reports serving 850 people through 400 service connections. Its primary water source is purchased groundwater, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, 7 are health-based, and the most recent began in July 2023.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
850
Service connections
400
Primary source
GWP
Purchased groundwater
System type
CWS
Community water system
System record
How does Belfast Water District compare with other water systems in Allegany County?
By EPA's size categories, Belfast Water District is a small system (501 to 3,300 people). Allegany County has 80 active public water systems. Its population served is about twice the county average of 446 people per system, and accounts for 2.4% of the 35,638 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 Belfast 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. Purchased groundwater means the system buys groundwater from another public water system rather than drawing its own. 114 New York systems (1.4%) list purchased groundwater as their primary source.
Who owns and regulates Belfast Water District?
EPA lists Belfast 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. 20 of the 80 active systems in Allegany County (25%) are also owned by a local government.
Does Belfast Water District have drinking water violations?
Of the 12 most recent violations in EPA's records, 7 are health-based, and the most recent began in July 2023. The violations listed here began between January 2009 and July 2023. By type: 7 contaminant level above the legal limit, 4 monitoring and reporting and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Total trihalomethanes (TTHM) (8 of them). EPA lists 12 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 |
|---|---|---|---|---|
| 2023-07-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2023-07-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2011-09-01 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2011-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2011-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2010-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2010-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2010-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2010-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2009-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2009-07-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2009-01-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
The 12 most recent 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.
Belfast Water District: frequently asked questions
Who runs Belfast Water District?
Belfast Water District (PWSID NY0200313) is a community water system owned by a local government. It is regulated by the NY state drinking water program.
How many people does Belfast Water District serve?
Belfast Water District reports serving 850 people through 400 service connections in Allegany County, New York.
Where does Belfast Water District get its water?
EPA SDWIS lists this system's primary water source as purchased groundwater. Purchased groundwater means the system buys groundwater from another public water system rather than drawing its own.
Does Belfast Water District have any drinking water violations?
Of the 12 most recent violations in EPA's records, 7 are health-based, and the most recent began in July 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 Belfast 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. Of the 12 most recent violations in EPA's records, 7 are health-based, and the most recent began in July 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 Belfast Water District's water quality report?
As a community water system, Belfast 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 Allegany County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Wellsville Village Public Water | Allegany | 5,700 | Community | Surface water |
| Alfred State College | Allegany | 3,600 | Community | Purchased groundwater |
| Alfred University | Allegany | 2,800 | Community | Groundwater |
| Belmont Village Public Water | Allegany | 2,400 | Community | Groundwater under influence of surface water |
| Houghton Water District | Allegany | 2,000 | Community | Groundwater |
| Cuba Village Public Water | Allegany | 1,800 | 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, “Belfast Water District, PWSID NY0200313, New York”, https://aquacensus.com/water-systems/new-york/belfast-water-district-ny0200313 (data as of October 1, 2026).