Public water system · WI8161154
Active4 Corners Store
At a glance
4 Corners Store (PWSID WI8161154) is an active transient non-community water system in Douglas County, Wisconsin. It reports serving 25 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
25
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does 4 Corners Store compare with other water systems in Douglas County?
By EPA's size categories, 4 Corners Store is a very small system (500 people or fewer). Douglas County has 188 active public water systems. Its population served is well below the county average of 184 people per system, and accounts for less than 0.1% of the 34,606 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 4 Corners Store 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 4 Corners Store?
EPA lists 4 Corners Store 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. 150 of the 188 active systems in Douglas County (80%) are also privately owned.
Does 4 Corners Store 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 4 Corners Store. For the latest compliance status, check EPA ECHO for current compliance history.
4 Corners Store: frequently asked questions
Who runs 4 Corners Store?
4 Corners Store (PWSID WI8161154) is a transient non-community water system privately owned. It is regulated by the WI state drinking water program.
How many people does 4 Corners Store serve?
4 Corners Store reports serving 25 people through 1 service connection in Douglas County, Wisconsin.
Where does 4 Corners Store 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 4 Corners Store have any drinking water violations?
EPA's Safe Drinking Water Act records list no violations for this system.
Is 4 Corners Store'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 4 Corners Store's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. 4 Corners Store 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 Douglas County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Superior Water Light & Power Company | Douglas | 26,084 | Community | Surface water |
| Northwestern Elementary and Middle School | Douglas | 890 | Non-transient non-community | Groundwater |
| Northwestern High School | Douglas | 448 | Non-transient non-community | Groundwater |
| Solon Springs School | Douglas | 375 | Non-transient non-community | Groundwater |
| Four Corners Elementary School | Douglas | 300 | Non-transient non-community | Groundwater |
| Parkland Town Hall | Douglas | 230 | 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, “4 Corners Store, PWSID WI8161154, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/4-corners-store-wi8161154 (data as of October 1, 2026).