Public water system · WI1110267
ActiveCascade Mtn Ski - Employee Housing
At a glance
Cascade Mtn Ski - Employee Housing (PWSID WI1110267) is an active transient non-community water system in Columbia County, Wisconsin. It reports serving 51 people through 3 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 3 violations for this system; 1 is health-based, and the most recent began in January 2004.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
51
Service connections
3
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Cascade Mtn Ski - Employee Housing compare with other water systems in Columbia County?
By EPA's size categories, Cascade Mtn Ski - Employee Housing 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 Cascade Mtn Ski - Employee Housing 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 Cascade Mtn Ski - Employee Housing?
EPA lists Cascade Mtn Ski - Employee Housing 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 Cascade Mtn Ski - Employee Housing have drinking water violations?
EPA's records list 3 violations for this system; 1 is health-based, and the most recent began in January 2004. The violations listed here began between January 1994 and January 2004. By type: 2 monitoring and reporting and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Total coliform bacteria (TCR) (2 of them). 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 |
|---|---|---|---|---|
| 2004-01-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2001-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1994-01-10 | 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.
Cascade Mtn Ski - Employee Housing: frequently asked questions
Who runs Cascade Mtn Ski - Employee Housing?
Cascade Mtn Ski - Employee Housing (PWSID WI1110267) is a transient non-community water system privately owned. It is regulated by the WI state drinking water program.
How many people does Cascade Mtn Ski - Employee Housing serve?
Cascade Mtn Ski - Employee Housing reports serving 51 people through 3 service connections in Columbia County, Wisconsin.
Where does Cascade Mtn Ski - Employee Housing 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 Cascade Mtn Ski - Employee Housing have any drinking water violations?
EPA's records list 3 violations for this system; 1 is health-based, and the most recent began in January 2004. 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 Cascade Mtn Ski - Employee Housing'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; 1 is health-based, and the most recent began in January 2004. For current results, consult EPA ECHO, or the WI state drinking water program.
Where can I find Cascade Mtn Ski - Employee Housing's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Cascade Mtn Ski - Employee Housing 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, “Cascade Mtn Ski - Employee Housing, PWSID WI1110267, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/cascade-mtn-ski-employee-housing-wi1110267 (data as of October 1, 2026).