Public water system · WI4450558
ActiveSt Sebastian Cath Ch
At a glance
St Sebastian Cath Ch (PWSID WI4450558) is an active transient non-community water system in Outagamie County, Wisconsin. It reports serving 50 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
50
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does St Sebastian Cath Ch compare with other water systems in Outagamie County?
By EPA's size categories, St Sebastian Cath Ch is a very small system (500 people or fewer). Outagamie County has 107 active public water systems. Its population served is well below the county average of 1,679 people per system, and accounts for less than 0.1% of the 179,613 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 St Sebastian Cath Ch is about 65% 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 St Sebastian Cath Ch?
EPA lists St Sebastian Cath Ch 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. 86 of the 107 active systems in Outagamie County (80%) are also privately owned.
Does St Sebastian Cath Ch 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 St Sebastian Cath Ch. For the latest compliance status, check EPA ECHO for current compliance history.
St Sebastian Cath Ch: frequently asked questions
Who runs St Sebastian Cath Ch?
St Sebastian Cath Ch (PWSID WI4450558) is a transient non-community water system privately owned. It is regulated by the WI state drinking water program.
How many people does St Sebastian Cath Ch serve?
St Sebastian Cath Ch reports serving 50 people through 1 service connection in Outagamie County, Wisconsin.
Where does St Sebastian Cath Ch 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 St Sebastian Cath Ch have any drinking water violations?
EPA's Safe Drinking Water Act records list no violations for this system.
Is St Sebastian Cath Ch'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 St Sebastian Cath Ch's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. St Sebastian Cath Ch 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 Outagamie County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Appleton Waterworks | Outagamie | 74,511 | Community | Surface water |
| Grand Chute Tn San Dist 1 | Outagamie | 21,583 | Community | Purchased surface water |
| Kaukauna Utilities | Outagamie | 17,493 | Community | Groundwater |
| Darboy Sanitary Dist 1 | Outagamie | 13,024 | Community | Groundwater |
| Little Chute Waterworks | Outagamie | 12,168 | Community | Groundwater |
| Greenville Utilities Vil of | Outagamie | 11,340 | 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, “St Sebastian Cath Ch, PWSID WI4450558, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/st-sebastian-cath-ch-wi4450558 (data as of October 1, 2026).