Public water system · NY5503391
ActiveHalcyon Park Water District
At a glance
Halcyon Park Water District (PWSID NY5503391) is an active community water system in Ulster County, New York. It reports serving 402 people through 147 service connections. 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 2008.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
402
Service connections
147
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Halcyon Park Water District compare with other water systems in Ulster County?
By EPA's size categories, Halcyon Park Water District is a very small system (500 people or fewer). Ulster County has 446 active public water systems. Its population served is about 35% above the county average of 298 people per system, and accounts for 0.3% of the 133,020 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 Halcyon Park 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. 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 Halcyon Park Water District?
EPA lists Halcyon Park 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. 48 of the 446 active systems in Ulster County (11%) are also owned by a local government.
Does Halcyon Park Water District have drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in January 2008. The violations listed here began between January 1994 and January 2008. By type: 3 monitoring and reporting. The contaminants or rules involved are Total trihalomethanes (TTHM), Haloacetic acids (HAA5) 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 |
|---|---|---|---|---|
| 2008-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2008-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 1994-01-01 | Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51 | 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.
Halcyon Park Water District: frequently asked questions
Who runs Halcyon Park Water District?
Halcyon Park Water District (PWSID NY5503391) is a community water system owned by a local government. It is regulated by the NY state drinking water program.
How many people does Halcyon Park Water District serve?
Halcyon Park Water District reports serving 402 people through 147 service connections in Ulster County, New York.
Where does Halcyon Park Water District 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 Halcyon Park Water District 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 2008. 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 Halcyon Park 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 3 violations for this system; none is health-based, and the most recent began in January 2008. For current results, consult the system's annual water quality report, EPA ECHO, or the NY state drinking water program.
Where can I find Halcyon Park Water District's water quality report?
As a community water system, Halcyon Park 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 Ulster County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Kingston (City) Water District | Ulster | 24,000 | Community | Surface water |
| New Paltz (Village) Water Dist | Ulster | 7,523 | Community | Surface water |
| Ulster Water District | Ulster | 5,500 | Community | Purchased surface water |
| Port Ewen Water District | Ulster | 4,500 | Community | Surface water |
| Ellenville (Village) Water Dis | Ulster | 4,300 | Community | Groundwater |
| Saugerties (Village) Water Dis | Ulster | 4,200 | Community | Surface water |
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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, “Halcyon Park Water District, PWSID NY5503391, New York”, https://aquacensus.com/water-systems/new-york/halcyon-park-water-district-ny5503391 (data as of October 1, 2026).