Public water system · WI4590037
ActiveTwenty Two Shell
At a glance
Twenty Two Shell (PWSID WI4590037) is an active transient non-community water system in Shawano 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 Twenty Two Shell compare with other water systems in Shawano County?
By EPA's size categories, Twenty Two Shell is a very small system (500 people or fewer). Shawano County has 116 active public water systems. Its population served is well below the county average of 210 people per system, and accounts for 0.1% of the 24,399 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 Twenty Two Shell 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 Twenty Two Shell?
EPA lists Twenty Two Shell 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. 100 of the 116 active systems in Shawano County (86%) are also privately owned.
Does Twenty Two Shell 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 Twenty Two Shell. For the latest compliance status, check EPA ECHO for current compliance history.
Twenty Two Shell: frequently asked questions
Who runs Twenty Two Shell?
Twenty Two Shell (PWSID WI4590037) is a transient non-community water system privately owned. It is regulated by the WI state drinking water program.
How many people does Twenty Two Shell serve?
Twenty Two Shell reports serving 25 people through 1 service connection in Shawano County, Wisconsin.
Where does Twenty Two Shell 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 Twenty Two Shell have any drinking water violations?
EPA's Safe Drinking Water Act records list no violations for this system.
Is Twenty Two Shell'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 Twenty Two Shell's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Twenty Two Shell 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 Shawano County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Shawano Waterworks | Shawano | 9,610 | Community | Groundwater |
| Shawano Lk San Dist 1 | Shawano | 4,950 | Community | Groundwater |
| Bonduel Waterworks | Shawano | 1,475 | Community | Groundwater |
| Wittenberg Waterworks | Shawano | 1,200 | Community | Groundwater |
| Birnamwood Waterworks | Shawano | 832 | Community | Groundwater |
| Tigerton Waterworks | Shawano | 705 | 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, “Twenty Two Shell, PWSID WI4590037, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/twenty-two-shell-wi4590037 (data as of October 1, 2026).