Public water system · NY2218318
ActiveThousand Island Park Corp.
At a glance
Thousand Island Park Corp. (PWSID NY2218318) is an active transient non-community water system in Jefferson County, New York. It reports serving 900 people through 330 service connections. Its primary water source is surface water, and EPA lists it as privately owned. EPA's records list 2 violations for this system; all are health-based, and the most recent began in August 1995.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
900
Service connections
330
Primary source
SW
Surface water
System type
TNCWS
Transient non-community water system
System record
How does Thousand Island Park Corp. compare with other water systems in Jefferson County?
By EPA's size categories, Thousand Island Park Corp. is a small system (501 to 3,300 people). Jefferson County has 157 active public water systems. Its population served is roughly in line with the county average of 832 people per system, and accounts for 0.7% 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 Thousand Island Park Corp. is about 6.3 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. 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 Thousand Island Park Corp.?
EPA lists Thousand Island Park Corp. 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 Thousand Island Park Corp. have drinking water violations?
EPA's records list 2 violations for this system; all are health-based, and the most recent began in August 1995. The violations listed here began between September 1994 and August 1995. By type: 2 contaminant level above the legal limit. The contaminant or rule involved most often is Total coliform bacteria (TCR) (2 of them). EPA lists 2 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 |
|---|---|---|---|---|
| 1995-08-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1994-09-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Acute (TCR) · code 21 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
All 2 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.
Thousand Island Park Corp.: frequently asked questions
Who runs Thousand Island Park Corp.?
Thousand Island Park Corp. (PWSID NY2218318) is a transient non-community water system privately owned. It is regulated by the NY state drinking water program.
How many people does Thousand Island Park Corp. serve?
Thousand Island Park Corp. reports serving 900 people through 330 service connections in Jefferson County, New York.
Where does Thousand Island Park Corp. 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 Thousand Island Park Corp. have any drinking water violations?
EPA's records list 2 violations for this system; all are health-based, and the most recent began in August 1995. 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 Thousand Island Park Corp.'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 2 violations for this system; all are health-based, and the most recent began in August 1995. For current results, consult EPA ECHO, or the NY state drinking water program.
Where can I find Thousand Island Park Corp.'s water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Thousand Island Park Corp. 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, “Thousand Island Park Corp., PWSID NY2218318, New York”, https://aquacensus.com/water-systems/new-york/thousand-island-park-corp-ny2218318 (data as of October 1, 2026).