Public water system · WI1110074
ActiveWi Dnr Mackenzie 4 Badger Den
At a glance
Wi Dnr Mackenzie 4 Badger Den (PWSID WI1110074) is an active transient non-community water system in Columbia County, Wisconsin. It reports serving 26 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 health-based, and the most recent began in October 2009.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
26
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Wi Dnr Mackenzie 4 Badger Den compare with other water systems in Columbia County?
By EPA's size categories, Wi Dnr Mackenzie 4 Badger Den is a very small system (500 people or fewer). Columbia County has 140 active public water systems. Its population served is well below the county average of 463 people per system, and accounts for less than 0.1% of the 64,780 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 Mackenzie 4 Badger Den 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 Mackenzie 4 Badger Den?
EPA lists Wi Dnr Mackenzie 4 Badger Den 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. 10 of the 140 active systems in Columbia County (7.1%) are also owned by a state government.
Does Wi Dnr Mackenzie 4 Badger Den have drinking water violations?
EPA's records list one violation for this system; it is health-based, and the most recent began in October 2009. By type: 1 contaminant level above the legal limit. The contaminant or rule involved is Total coliform bacteria (TCR). 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 |
|---|---|---|---|---|
| 2009-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | 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.
Wi Dnr Mackenzie 4 Badger Den: frequently asked questions
Who runs Wi Dnr Mackenzie 4 Badger Den?
Wi Dnr Mackenzie 4 Badger Den (PWSID WI1110074) 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 Mackenzie 4 Badger Den serve?
Wi Dnr Mackenzie 4 Badger Den reports serving 26 people through 1 service connection in Columbia County, Wisconsin.
Where does Wi Dnr Mackenzie 4 Badger Den 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 Mackenzie 4 Badger Den have any drinking water violations?
EPA's records list one violation for this system; it is health-based, and the most recent began in October 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 Mackenzie 4 Badger Den'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 health-based, and the most recent began in October 2009. For current results, consult EPA ECHO, or the WI state drinking water program.
Where can I find Wi Dnr Mackenzie 4 Badger Den's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Wi Dnr Mackenzie 4 Badger Den 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 Columbia County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Portage Waterworks | Columbia | 10,437 | Community | Groundwater |
| Columbus Utilities | Columbia | 5,173 | Community | Groundwater |
| Wi Dot Rest Area 12 Dekorra West Bound | Columbia | 3,255 | Transient non-community | Groundwater |
| Wisconsin Dells Waterworks | Columbia | 3,232 | Community | Groundwater |
| Lodi Waterworks | Columbia | 3,146 | Community | Groundwater |
| Poynette Waterworks | Columbia | 2,520 | 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 Mackenzie 4 Badger Den, PWSID WI1110074, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/wi-dnr-mackenzie-4-badger-den-wi1110074 (data as of October 1, 2026).