Public water system · WI6561073
ActiveWi Dnr Willow River Cmpgd - 100
At a glance
Wi Dnr Willow River Cmpgd - 100 (PWSID WI6561073) is an active transient non-community water system in St. Croix County, Wisconsin. It reports serving 75 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as owned by a state government. EPA's Safe Drinking Water Act records list no violations for this system.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
75
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Wi Dnr Willow River Cmpgd - 100 compare with other water systems in St. Croix County?
By EPA's size categories, Wi Dnr Willow River Cmpgd - 100 is a very small system (500 people or fewer). St. Croix County has 165 active public water systems. Its population served is well below the county average of 349 people per system, and accounts for 0.1% of the 57,590 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 Wi Dnr Willow River Cmpgd - 100 is about half of 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 Wi Dnr Willow River Cmpgd - 100?
EPA lists Wi Dnr Willow River Cmpgd - 100 as owned by a state government. 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. 8 of the 165 active systems in St. Croix County (4.8%) are also owned by a state government.
Does Wi Dnr Willow River Cmpgd - 100 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 Wi Dnr Willow River Cmpgd - 100. For the latest compliance status, check EPA ECHO for current compliance history.
Wi Dnr Willow River Cmpgd - 100: frequently asked questions
Who runs Wi Dnr Willow River Cmpgd - 100?
Wi Dnr Willow River Cmpgd - 100 (PWSID WI6561073) is a transient non-community water system owned by a state government. It is regulated by the WI state drinking water program.
How many people does Wi Dnr Willow River Cmpgd - 100 serve?
Wi Dnr Willow River Cmpgd - 100 reports serving 75 people through 1 service connection in St. Croix County, Wisconsin.
Where does Wi Dnr Willow River Cmpgd - 100 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 Wi Dnr Willow River Cmpgd - 100 have any drinking water violations?
EPA's Safe Drinking Water Act records list no violations for this system.
Is Wi Dnr Willow River Cmpgd - 100'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 Wi Dnr Willow River Cmpgd - 100's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Wi Dnr Willow River Cmpgd - 100 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 St. Croix County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Hudson Waterworks | St. Croix | 18,558 | Community | Groundwater |
| New Richmond Waterworks | St. Croix | 10,824 | Community | Groundwater |
| Baldwin Waterworks | St. Croix | 4,440 | Community | Groundwater |
| Somerset Waterworks | St. Croix | 3,334 | Community | Groundwater |
| Hammond Waterworks | St. Croix | 1,884 | Community | Groundwater |
| Roberts Waterworks | St. Croix | 1,872 | 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, “Wi Dnr Willow River Cmpgd - 100, PWSID WI6561073, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/wi-dnr-willow-river-cmpgd-100-wi6561073 (data as of October 1, 2026).