Public water system · WI4712094
ActiveWinnebago Area Sanitary District
At a glance
Winnebago Area Sanitary District (PWSID WI4712094) is an active community water system in Winnebago County, Wisconsin. It reports serving 90 people through 33 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. EPA's Safe Drinking Water Act records list no violations for this system.
This page covers its drinking water system only; sewer and wastewater service are not part of EPA's drinking water records.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
90
Service connections
33
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does Winnebago Area Sanitary District compare with other water systems in Winnebago County?
By EPA's size categories, Winnebago Area Sanitary District is a very small system (500 people or fewer). Winnebago County has 145 active public water systems. Its population served is well below the county average of 1,016 people per system, and accounts for less than 0.1% of the 147,267 people reported by systems filed under the county. Across Wisconsin, the 11,056 active systems average 469 people each. Nationally, the average active community water system reports serving 6,703 people, so Winnebago Area Sanitary District is well below that figure.
What does “community water system” mean?
A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Wisconsin has 1,053 active community water systems, 9.5% of the state's 11,056 active systems. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. 43 Wisconsin systems (0.4%) list purchased surface water as their primary source.
Who owns and regulates Winnebago Area Sanitary District?
EPA lists Winnebago Area Sanitary District as owned by a local 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. 22 of the 145 active systems in Winnebago County (15%) are also owned by a local government.
Does Winnebago Area Sanitary District 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 Winnebago Area Sanitary District. For the latest compliance status, check EPA ECHO for current compliance history.
Winnebago Area Sanitary District: frequently asked questions
Who runs Winnebago Area Sanitary District?
Winnebago Area Sanitary District (PWSID WI4712094) is a community water system owned by a local government. It is regulated by the WI state drinking water program.
How many people does Winnebago Area Sanitary District serve?
Winnebago Area Sanitary District reports serving 90 people through 33 service connections in Winnebago County, Wisconsin.
Where does Winnebago Area Sanitary District get its water?
EPA SDWIS lists this system's primary water source as purchased surface water. Purchased surface water means the system buys surface water from another public water system rather than drawing its own.
Does Winnebago Area Sanitary District have any drinking water violations?
EPA's Safe Drinking Water Act records list no violations for this system.
Is Winnebago Area Sanitary District'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 the system's annual water quality report, EPA ECHO, or the WI state drinking water program.
Where can I find Winnebago Area Sanitary District's water quality report?
As a community water system, Winnebago Area Sanitary District must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.
Other water systems in Winnebago County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Oshkosh Waterworks | Winnebago | 63,000 | Community | Surface water |
| Neenah Waterworks | Winnebago | 27,506 | Community | Surface water |
| Menasha Elec & Water Util | Winnebago | 15,144 | Community | Surface water |
| Fox Crossing Utilities West | Winnebago | 14,000 | Community | Groundwater |
| Fox Crossing Utilities East | Winnebago | 10,927 | Community | Purchased surface water |
| Algoma Tn Sanitary Dist 1 | Winnebago | 3,935 | 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, “Winnebago Area Sanitary District, PWSID WI4712094, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/winnebago-area-sanitary-district-wi4712094 (data as of October 1, 2026).