Public water system · NY2222222
ActiveStone Mills Museum
At a glance
Stone Mills Museum (PWSID NY2222222) is an active transient non-community water system in Jefferson County, New York. It reports serving 1,500 people through 15 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 3 violations for this system; none is health-based, and the most recent began in July 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
1,500
Service connections
15
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Stone Mills Museum compare with other water systems in Jefferson County?
By EPA's size categories, Stone Mills Museum is a small system (501 to 3,300 people). Jefferson County has 157 active public water systems. Its population served is about 80% above the county average of 832 people per system, and accounts for 1.1% 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 Stone Mills Museum is about 10 times 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 Stone Mills Museum?
EPA lists Stone Mills Museum 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 Stone Mills Museum have drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in July 2025. The violations listed here began between January 2007 and July 2025. By type: 2 monitoring and reporting and 1 monitoring. The contaminants or rules involved are Revised Total Coliform Rule, Total coliform bacteria (TCR) and Nitrate. EPA lists 2 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 |
|---|---|---|---|---|
| 2025-07-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Archived |
| 2007-07-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2007-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | 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.
Stone Mills Museum: frequently asked questions
Who runs Stone Mills Museum?
Stone Mills Museum (PWSID NY2222222) is a transient non-community water system privately owned. It is regulated by the NY state drinking water program.
How many people does Stone Mills Museum serve?
Stone Mills Museum reports serving 1,500 people through 15 service connections in Jefferson County, New York.
Where does Stone Mills Museum 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 Stone Mills Museum have any drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in July 2025. 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 Stone Mills Museum'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 July 2025. For current results, consult EPA ECHO, or the NY state drinking water program.
Where can I find Stone Mills Museum's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Stone Mills Museum 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, “Stone Mills Museum, PWSID NY2222222, New York”, https://aquacensus.com/water-systems/new-york/stone-mills-museum-ny2222222 (data as of October 1, 2026).