Public water system · NY2209509
ActiveTwo Sisters Diner
At a glance
Two Sisters Diner (PWSID NY2209509) is an active transient non-community water system in Jefferson County, New York. It reports serving 50 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list one violation for this system; it is not health-based, and the most recent began in April 2016.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
50
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Two Sisters Diner compare with other water systems in Jefferson County?
By EPA's size categories, Two Sisters Diner is a very small system (500 people or fewer). Jefferson County has 157 active public water systems. Its population served is well below the county average of 832 people per system, and accounts for less than 0.1% of the 130,600 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 Two Sisters Diner is about 65% 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 Two Sisters Diner?
EPA lists Two Sisters Diner 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. 93 of the 157 active systems in Jefferson County (59%) are also privately owned.
Does Two Sisters Diner have drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in April 2016. By type: 1 monitoring. The contaminant or rule involved is Revised Total Coliform Rule. EPA lists 1 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 |
|---|---|---|---|---|
| 2016-04-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
The one violation in EPA's records.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.
Two Sisters Diner: frequently asked questions
Who runs Two Sisters Diner?
Two Sisters Diner (PWSID NY2209509) is a transient non-community water system privately owned. It is regulated by the NY state drinking water program.
How many people does Two Sisters Diner serve?
Two Sisters Diner reports serving 50 people through 1 service connection in Jefferson County, New York.
Where does Two Sisters Diner 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 Two Sisters Diner have any drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in April 2016. 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 Two Sisters Diner'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 one violation for this system; it is not health-based, and the most recent began in April 2016. For current results, consult EPA ECHO, or the NY state drinking water program.
Where can I find Two Sisters Diner's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Two Sisters Diner 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 Jefferson County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Fort Drum | Jefferson | 34,000 | Community | Purchased surface water |
| Watertown City | Jefferson | 27,861 | Community | Surface water |
| Leray Town Wd 1, 2, 4 | Jefferson | 7,140 | Community | Groundwater |
| Carthage Village | Jefferson | 3,600 | Community | Surface water |
| Cape Vincent Town Wd 1 & 5 | Jefferson | 2,600 | Community | Purchased surface water |
| Sackets Harbor Village | Jefferson | 2,200 | 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, “Two Sisters Diner, PWSID NY2209509, New York”, https://aquacensus.com/water-systems/new-york/two-sisters-diner-ny2209509 (data as of October 1, 2026).