Public water system · WI1110190
ActiveLake Wisconsin Resort - Office
At a glance
Lake Wisconsin Resort - Office (PWSID WI1110190) is an active transient non-community water system in Columbia County, Wisconsin. It reports serving 28 people through 6 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's Safe Drinking Water Act records list no violations for this system.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
28
Service connections
6
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Lake Wisconsin Resort - Office compare with other water systems in Columbia County?
By EPA's size categories, Lake Wisconsin Resort - Office 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 Lake Wisconsin Resort - Office 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 Lake Wisconsin Resort - Office?
EPA lists Lake Wisconsin Resort - Office 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. 114 of the 140 active systems in Columbia County (81%) are also privately owned.
Does Lake Wisconsin Resort - Office have drinking water violations?
No SDWA violations on record.
EPA's SDWA violation and enforcement data (via EPA ECHO, updated quarterly) lists no violations for Lake Wisconsin Resort - Office. For the latest compliance status, check EPA ECHO for current compliance history.
Lake Wisconsin Resort - Office: frequently asked questions
Who runs Lake Wisconsin Resort - Office?
Lake Wisconsin Resort - Office (PWSID WI1110190) is a transient non-community water system privately owned. It is regulated by the WI state drinking water program.
How many people does Lake Wisconsin Resort - Office serve?
Lake Wisconsin Resort - Office reports serving 28 people through 6 service connections in Columbia County, Wisconsin.
Where does Lake Wisconsin Resort - Office 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 Lake Wisconsin Resort - Office have any drinking water violations?
EPA's Safe Drinking Water Act records list no violations for this system.
Is Lake Wisconsin Resort - Office'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 Safe Drinking Water Act records list no violations for this system. For current results, consult EPA ECHO, or the WI state drinking water program.
Where can I find Lake Wisconsin Resort - Office's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Lake Wisconsin Resort - Office 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, “Lake Wisconsin Resort - Office, PWSID WI1110190, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/lake-wisconsin-resort-office-wi1110190 (data as of October 1, 2026).