Public water system · WI7640384
ActiveWi Dnr Trout Lk Hdq Ofc 57
At a glance
Wi Dnr Trout Lk Hdq Ofc 57 (PWSID WI7640384) is an active transient non-community water system in Vilas County, Wisconsin. It reports serving 25 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 5 violations for this system; 3 are health-based, and the most recent began in May 2009.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
25
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Wi Dnr Trout Lk Hdq Ofc 57 compare with other water systems in Vilas County?
By EPA's size categories, Wi Dnr Trout Lk Hdq Ofc 57 is a very small system (500 people or fewer). Vilas County has 460 active public water systems. Its population served is well 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 Wi Dnr Trout Lk Hdq Ofc 57 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 Wi Dnr Trout Lk Hdq Ofc 57?
EPA lists Wi Dnr Trout Lk Hdq Ofc 57 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 Wi Dnr Trout Lk Hdq Ofc 57 have drinking water violations?
EPA's records list 5 violations for this system; 3 are health-based, and the most recent began in May 2009. The violations listed here began between October 1996 and May 2009. By type: 3 contaminant level above the legal limit and 2 monitoring and reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (5 of them). EPA lists 5 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 |
|---|---|---|---|---|
| 2009-05-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2008-12-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2008-11-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2008-01-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1996-10-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
All 5 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.
Wi Dnr Trout Lk Hdq Ofc 57: frequently asked questions
Who runs Wi Dnr Trout Lk Hdq Ofc 57?
Wi Dnr Trout Lk Hdq Ofc 57 (PWSID WI7640384) 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 Wi Dnr Trout Lk Hdq Ofc 57 serve?
Wi Dnr Trout Lk Hdq Ofc 57 reports serving 25 people through 1 service connection in Vilas County, Wisconsin.
Where does Wi Dnr Trout Lk Hdq Ofc 57 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 Wi Dnr Trout Lk Hdq Ofc 57 have any drinking water violations?
EPA's records list 5 violations for this system; 3 are health-based, and the most recent began in May 2009. 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 Wi Dnr Trout Lk Hdq Ofc 57'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 5 violations for this system; 3 are health-based, and the most recent began in May 2009. For current results, consult EPA ECHO, or the WI state drinking water program.
Where can I find Wi Dnr Trout Lk Hdq Ofc 57's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Wi Dnr Trout Lk Hdq Ofc 57 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, “Wi Dnr Trout Lk Hdq Ofc 57, PWSID WI7640384, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/wi-dnr-trout-lk-hdq-ofc-57-wi7640384 (data as of October 1, 2026).