Public water system · WI6180336
ActiveFour Mile Inn
At a glance
Four Mile Inn (PWSID WI6180336) is an active transient non-community water system in Eau Claire 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 Safe Drinking Water Act records list no violations for this system.
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 Four Mile Inn compare with other water systems in Eau Claire County?
By EPA's size categories, Four Mile Inn is a very small system (500 people or fewer). Eau Claire County has 111 active public water systems. Its population served is well below the county average of 834 people per system, and accounts for less than 0.1% of the 92,606 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 Four Mile Inn 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 Four Mile Inn?
EPA lists Four Mile Inn 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. 90 of the 111 active systems in Eau Claire County (81%) are also privately owned.
Does Four Mile Inn 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 Four Mile Inn. For the latest compliance status, check EPA ECHO for current compliance history.
Four Mile Inn: frequently asked questions
Who runs Four Mile Inn?
Four Mile Inn (PWSID WI6180336) is a transient non-community water system privately owned. It is regulated by the WI state drinking water program.
How many people does Four Mile Inn serve?
Four Mile Inn reports serving 50 people through 1 service connection in Eau Claire County, Wisconsin.
Where does Four Mile Inn 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 Four Mile Inn have any drinking water violations?
EPA's Safe Drinking Water Act records list no violations for this system.
Is Four Mile Inn'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 Four Mile Inn's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Four Mile Inn 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 Eau Claire County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Eau Claire Waterworks | Eau Claire | 70,587 | Community | Groundwater |
| Altoona Waterworks | Eau Claire | 9,627 | Community | Groundwater |
| Augusta Waterworks | Eau Claire | 1,450 | Community | Groundwater |
| Fall Creek Waterworks | Eau Claire | 1,269 | Community | Groundwater |
| Hillcrest Estates MHP | Eau Claire | 850 | Community | Groundwater |
| Menards Old Mill Center | Eau Claire | 730 | Non-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, “Four Mile Inn, PWSID WI6180336, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/four-mile-inn-wi6180336 (data as of October 1, 2026).