Public water system · WI7640589
ActiveMarlis Bar
At a glance
Marlis Bar (PWSID WI7640589) is an active transient non-community water system in Vilas County, Wisconsin. It reports serving 50 people through 1 service connection. 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 March 1995.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
50
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Marlis Bar compare with other water systems in Vilas County?
By EPA's size categories, Marlis Bar is a very small system (500 people or fewer). Vilas County has 460 active public water systems. Its population served is about half of the county average of 91 people per system, and accounts for 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 Marlis Bar is about 65% 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 Marlis Bar?
EPA lists Marlis Bar as privately owned. 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. 377 of the 460 active systems in Vilas County (82%) are also privately owned.
Does Marlis Bar have drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in March 1995. The violations listed here began between March 1995 and March 1995. By type: 3 monitoring and reporting. The contaminants or rules involved are Nitrite, Total coliform bacteria (TCR) and Nitrate. EPA lists 3 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 |
|---|---|---|---|---|
| 1995-03-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitritecode 1041 | No | Resolved |
| 1995-03-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1995-03-01 | 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.
Marlis Bar: frequently asked questions
Who runs Marlis Bar?
Marlis Bar (PWSID WI7640589) is a transient non-community water system privately owned. It is regulated by the WI state drinking water program.
How many people does Marlis Bar serve?
Marlis Bar reports serving 50 people through 1 service connection in Vilas County, Wisconsin.
Where does Marlis Bar 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 Marlis Bar have any drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in March 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 Marlis Bar'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 March 1995. For current results, consult EPA ECHO, or the WI state drinking water program.
Where can I find Marlis Bar's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Marlis Bar 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, “Marlis Bar, PWSID WI7640589, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/marlis-bar-wi7640589 (data as of October 1, 2026).