Public water system · WI4690396
ActiveMarion Waterworks
At a glance
Marion Waterworks (PWSID WI4690396) is an active community water system in Waupaca County, Wisconsin. It reports serving 1,293 people through 478 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list one violation for this system; it is not health-based, and the most recent began in November 2019.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
1,293
Service connections
478
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Marion Waterworks compare with other water systems in Waupaca County?
By EPA's size categories, Marion Waterworks is a small system (501 to 3,300 people). Waupaca County has 207 active public water systems, and Marion Waterworks is the 6th-largest of them by population served. Its population served is about 7.4 times the county average of 175 people per system, and accounts for 3.6% of the 36,146 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 Marion Waterworks 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. 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 Marion Waterworks?
EPA lists Marion Waterworks 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. 21 of the 207 active systems in Waupaca County (10%) are also owned by a local government.
Does Marion Waterworks have drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in November 2019. By type: 1 monitoring. The contaminant or rule involved is Revised Total Coliform Rule. EPA lists 1 as resolved. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2019-11-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
The one violation in EPA's records.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.
Marion Waterworks: frequently asked questions
Who runs Marion Waterworks?
Marion Waterworks (PWSID WI4690396) is a community water system owned by a local government. It is regulated by the WI state drinking water program.
How many people does Marion Waterworks serve?
Marion Waterworks reports serving 1,293 people through 478 service connections in Waupaca County, Wisconsin.
Where does Marion Waterworks 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 Marion Waterworks have any drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in November 2019. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.
Is Marion Waterworks' 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 records list one violation for this system; it is not health-based, and the most recent began in November 2019. For current results, consult the system's annual water quality report, EPA ECHO, or the WI state drinking water program.
Where can I find Marion Waterworks' water quality report?
As a community water system, Marion Waterworks 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 Waupaca County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| New London Waterworks | Waupaca | 7,187 | Community | Groundwater |
| Waupaca Waterworks | Waupaca | 6,062 | Community | Groundwater |
| Clintonville Utilities | Waupaca | 4,635 | Community | Groundwater |
| Weyauwega Waterworks | Waupaca | 1,820 | Community | Groundwater |
| Manawa Waterworks | Waupaca | 1,300 | Community | Groundwater |
| Iola Waterworks | Waupaca | 1,249 | 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, “Marion Waterworks, PWSID WI4690396, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/marion-waterworks-wi4690396 (data as of October 1, 2026).