Public water system · WI7640930
ActiveUw Trout Lake Research Station
At a glance
Uw Trout Lake Research Station (PWSID WI7640930) is an active transient non-community water system in Vilas County, Wisconsin. It reports serving 40 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as owned by a state government. 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
40
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Uw Trout Lake Research Station compare with other water systems in Vilas County?
By EPA's size categories, Uw Trout Lake Research Station is a very small system (500 people or fewer). Vilas County has 460 active public water systems. Its population served is about 56% below the county average of 91 people per system, and accounts for less than 0.1% of the 42,009 people reported by systems filed under the county. Across Wisconsin, the 11,056 active systems average 469 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Uw Trout Lake Research Station 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. Wisconsin has 9,112 active transient non-community water systems, 82% of the state's 11,056 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 10,978 Wisconsin systems (99%) list groundwater as their primary source.
Who owns and regulates Uw Trout Lake Research Station?
EPA lists Uw Trout Lake Research Station as owned by a state government. The WI state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 57 of the 460 active systems in Vilas County (12%) are also owned by a state government.
Does Uw Trout Lake Research Station 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.
Uw Trout Lake Research Station: frequently asked questions
Who runs Uw Trout Lake Research Station?
Uw Trout Lake Research Station (PWSID WI7640930) is a transient non-community water system owned by a state government. It is regulated by the WI state drinking water program.
How many people does Uw Trout Lake Research Station serve?
Uw Trout Lake Research Station reports serving 40 people through 1 service connection in Vilas County, Wisconsin.
Where does Uw Trout Lake Research Station 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 Uw Trout Lake Research Station 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 Uw Trout Lake Research Station'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 WI state drinking water program.
Where can I find Uw Trout Lake Research Station's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Uw Trout Lake Research Station 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 Vilas County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Eagle River Waterworks | Vilas | 1,530 | Community | Groundwater |
| Arbor Vitae Woodruff El Sch | Vilas | 575 | Non-transient non-community | Groundwater |
| Phelps Sanitary District | Vilas | 550 | Community | Groundwater |
| Wi Dnr Crystal Lk Shower | Vilas | 540 | Transient non-community | Groundwater |
| Land O Lakes Sanitary Dist | Vilas | 450 | Community | Groundwater |
| Camp Ramah Office | Vilas | 400 | Transient non-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, “Uw Trout Lake Research Station, PWSID WI7640930, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/uw-trout-lake-research-station-wi7640930 (data as of October 1, 2026).