Public water system · NY5230219
ActiveDunkin - Rock Hill & Cardinal Square
At a glance
Dunkin - Rock Hill & Cardinal Square (PWSID NY5230219) is an active transient non-community water system in Sullivan County, New York. It reports serving 25 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in February 2026.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
25
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Dunkin - Rock Hill & Cardinal Square compare with other water systems in Sullivan County?
By EPA's size categories, Dunkin - Rock Hill & Cardinal Square is a very small system (500 people or fewer). Sullivan County has 497 active public water systems. Its population served is well below the county average of 264 people per system, and accounts for less than 0.1% of the 131,057 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 transient non-community water system reports serving 144 people, so Dunkin - Rock Hill & Cardinal Square is well below that figure.
What does “transient non-community water system” mean?
A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. New York has 5,182 active transient non-community water systems, 63% 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 Dunkin - Rock Hill & Cardinal Square?
EPA lists Dunkin - Rock Hill & Cardinal Square 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. 449 of the 497 active systems in Sullivan County (90%) are also privately owned.
Does Dunkin - Rock Hill & Cardinal Square have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in February 2026. The violations listed here began between October 2019 and February 2026. By type: 9 monitoring, 2 reporting and 1 monitoring and reporting. The contaminant or rule involved most often is Revised Total Coliform Rule (11 of them). EPA lists 11 as resolved and 1 as archived. 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. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2026-02-01 | ReportingReport Sample Result/Fail Monitor (RTCR) · code 4B | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2024-09-01 | ReportingReport Sample Result/Fail Monitor (RTCR) · code 4B | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2022-11-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Archived |
| 2021-05-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2020-11-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2020-09-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2020-08-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2020-06-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2020-05-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2020-03-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2019-10-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | 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.
Dunkin - Rock Hill & Cardinal Square: frequently asked questions
Who runs Dunkin - Rock Hill & Cardinal Square?
Dunkin - Rock Hill & Cardinal Square (PWSID NY5230219) is a transient non-community water system privately owned. It is regulated by the NY state drinking water program.
How many people does Dunkin - Rock Hill & Cardinal Square serve?
Dunkin - Rock Hill & Cardinal Square reports serving 25 people through 1 service connection in Sullivan County, New York.
Where does Dunkin - Rock Hill & Cardinal Square 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 Dunkin - Rock Hill & Cardinal Square have any drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in February 2026. 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 Dunkin - Rock Hill & Cardinal Square'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, none is health-based, and the most recent began in February 2026. For current results, consult EPA ECHO, or the NY state drinking water program.
Where can I find Dunkin - Rock Hill & Cardinal Square's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Dunkin - Rock Hill & Cardinal Square is a 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 Sullivan County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Monticello Village | Sullivan | 8,000 | Community | Surface water |
| Fallsburg Who-Ls-Sf | Sullivan | 7,850 | Community | Groundwater |
| Bethel Woods Center for the Arts | Sullivan | 5,000 | Transient non-community | Groundwater |
| Liberty Village | Sullivan | 3,900 | Community | Surface water |
| Stevensville+Rfl | Sullivan | 3,250 | Community | Groundwater |
| Swan in Swan Lake | Sullivan | 2,900 | 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, “Dunkin - Rock Hill & Cardinal Square, PWSID NY5230219, New York”, https://aquacensus.com/water-systems/new-york/dunkin-rock-hill-cardinal-square-ny5230219 (data as of October 1, 2026).