Public water system · WI4240143
ActiveGreen Lake Cmpgd Whispering Oaks
At a glance
Green Lake Cmpgd Whispering Oaks (PWSID WI4240143) is an active transient non-community water system in Green Lake 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 Green Lake Cmpgd Whispering Oaks compare with other water systems in Green Lake County?
By EPA's size categories, Green Lake Cmpgd Whispering Oaks is a very small system (500 people or fewer). Green Lake County has 70 active public water systems. Its population served is well below the county average of 211 people per system, and accounts for 0.2% of the 14,772 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 Green Lake Cmpgd Whispering Oaks 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 Green Lake Cmpgd Whispering Oaks?
EPA lists Green Lake Cmpgd Whispering Oaks 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. 63 of the 70 active systems in Green Lake County (90%) are also privately owned.
Does Green Lake Cmpgd Whispering Oaks 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 Green Lake Cmpgd Whispering Oaks. For the latest compliance status, check EPA ECHO for current compliance history.
Green Lake Cmpgd Whispering Oaks: frequently asked questions
Who runs Green Lake Cmpgd Whispering Oaks?
Green Lake Cmpgd Whispering Oaks (PWSID WI4240143) is a transient non-community water system privately owned. It is regulated by the WI state drinking water program.
How many people does Green Lake Cmpgd Whispering Oaks serve?
Green Lake Cmpgd Whispering Oaks reports serving 25 people through 1 service connection in Green Lake County, Wisconsin.
Where does Green Lake Cmpgd Whispering Oaks 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 Green Lake Cmpgd Whispering Oaks have any drinking water violations?
EPA's Safe Drinking Water Act records list no violations for this system.
Is Green Lake Cmpgd Whispering Oaks' 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 Green Lake Cmpgd Whispering Oaks' water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Green Lake Cmpgd Whispering Oaks 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 Green Lake County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Berlin Waterworks | Green Lake | 5,524 | Community | Groundwater |
| Markesan Waterworks | Green Lake | 1,365 | Community | Groundwater |
| Princeton Waterworks | Green Lake | 1,166 | Community | Groundwater |
| Green Lake Waterworks | Green Lake | 1,002 | Community | Groundwater |
| Amer Baptist Assem Main | Green Lake | 640 | Non-transient non-community | Groundwater |
| All Saints Catholic Parish | Green Lake | 302 | 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, “Green Lake Cmpgd Whispering Oaks, PWSID WI4240143, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/green-lake-cmpgd-whispering-oaks-wi4240143 (data as of October 1, 2026).