Public water system · NY2230111
ActiveUs Coast Guard - Wellesley Island
At a glance
Us Coast Guard - Wellesley Island (PWSID NY2230111) is an active non-transient non-community water system in Jefferson County, New York. It reports serving 29 people through 2 service connections. Its primary water source is surface water, and EPA lists it as owned by the federal government. EPA's Safe Drinking Water Act records list no violations for this system.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
29
Service connections
2
Primary source
SW
Surface water
System type
NTNCWS
Non-transient non-community water system
System record
How does Us Coast Guard - Wellesley Island compare with other water systems in Jefferson County?
By EPA's size categories, Us Coast Guard - Wellesley Island 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 non-transient non-community water system reports serving 430 people, so Us Coast Guard - Wellesley Island is well below that figure.
What does “non-transient non-community water system” mean?
A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. New York has 704 active non-transient non-community water systems, 8.6% of the state's 8,167 active systems. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 296 New York systems (3.6%) list surface water as their primary source.
Who owns and regulates Us Coast Guard - Wellesley Island?
EPA lists Us Coast Guard - Wellesley Island as owned by the federal 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. 3 of the 157 active systems in Jefferson County (1.9%) are also owned by the federal government.
Does Us Coast Guard - Wellesley Island have drinking water violations?
No SDWA violations on record.
EPA's SDWA violation and enforcement data (via EPA ECHO, updated quarterly) lists no violations for Us Coast Guard - Wellesley Island. For the latest compliance status, check EPA ECHO for current compliance history.
Us Coast Guard - Wellesley Island: frequently asked questions
Who runs Us Coast Guard - Wellesley Island?
Us Coast Guard - Wellesley Island (PWSID NY2230111) is a non-transient non-community water system owned by the federal government. It is regulated by the NY state drinking water program.
How many people does Us Coast Guard - Wellesley Island serve?
Us Coast Guard - Wellesley Island reports serving 29 people through 2 service connections in Jefferson County, New York.
Where does Us Coast Guard - Wellesley Island get its water?
EPA SDWIS lists this system's primary water source as surface water. Surface water means the system draws its water from rivers, lakes, streams or reservoirs.
Does Us Coast Guard - Wellesley Island have any drinking water violations?
EPA's Safe Drinking Water Act records list no violations for this system.
Is Us Coast Guard - Wellesley Island'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 Safe Drinking Water Act records list no violations for this system. For current results, consult EPA ECHO, or the NY state drinking water program.
Where can I find Us Coast Guard - Wellesley Island's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Us Coast Guard - Wellesley Island is a non-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, “Us Coast Guard - Wellesley Island, PWSID NY2230111, New York”, https://aquacensus.com/water-systems/new-york/us-coast-guard-wellesley-island-ny2230111 (data as of October 1, 2026).