Public water system · WI6490225
ActiveCafe Wren
At a glance
Cafe Wren (PWSID WI6490225) is an active transient non-community water system in Polk 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 Cafe Wren compare with other water systems in Polk County?
By EPA's size categories, Cafe Wren is a very small system (500 people or fewer). Polk County has 187 active public water systems. Its population served is well below the county average of 121 people per system, and accounts for 0.1% of the 22,690 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 Cafe Wren 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 Cafe Wren?
EPA lists Cafe Wren 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. 163 of the 187 active systems in Polk County (87%) are also privately owned.
Does Cafe Wren 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 Cafe Wren. For the latest compliance status, check EPA ECHO for current compliance history.
Cafe Wren: frequently asked questions
Who runs Cafe Wren?
Cafe Wren (PWSID WI6490225) is a transient non-community water system privately owned. It is regulated by the WI state drinking water program.
How many people does Cafe Wren serve?
Cafe Wren reports serving 25 people through 1 service connection in Polk County, Wisconsin.
Where does Cafe Wren 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 Cafe Wren have any drinking water violations?
EPA's Safe Drinking Water Act records list no violations for this system.
Is Cafe Wren'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 Cafe Wren's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Cafe Wren 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 Polk County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Amery Waterworks | Polk | 2,962 | Community | Groundwater |
| Osceola Waterworks | Polk | 2,680 | Community | Groundwater |
| St Croix Falls Waterworks | Polk | 2,079 | Community | Groundwater |
| Frederic Waterworks | Polk | 1,241 | Community | Groundwater |
| Luck Waterworks | Polk | 1,150 | Community | Groundwater |
| Clear Lake Waterworks | Polk | 1,061 | 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, “Cafe Wren, PWSID WI6490225, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/cafe-wren-wi6490225 (data as of October 1, 2026).