Public water system · WI6090450
ActiveCadott Waterworks
At a glance
Cadott Waterworks (PWSID WI6090450) is an active community water system in Chippewa County, Wisconsin. It reports serving 1,352 people through 632 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 4 violations for this system; none is health-based, and the most recent began in July 2009.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
1,352
Service connections
632
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Cadott Waterworks compare with other water systems in Chippewa County?
By EPA's size categories, Cadott Waterworks is a small system (501 to 3,300 people). Chippewa County has 218 active public water systems, and Cadott Waterworks is the 6th-largest of them by population served. Its population served is about 5.7 times the county average of 237 people per system, and accounts for 2.6% of the 51,682 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 Cadott 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 Cadott Waterworks?
EPA lists Cadott 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. 23 of the 218 active systems in Chippewa County (11%) are also owned by a local government.
Does Cadott Waterworks have drinking water violations?
EPA's records list 4 violations for this system; none is health-based, and the most recent began in July 2009. The violations listed here began between January 1996 and July 2009. By type: 4 monitoring and reporting. The contaminants or rules involved are Gross alpha (excluding radon and uranium), Combined Radium (-226 and -228), Radium-228 and Total coliform bacteria (TCR). EPA lists 4 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 |
|---|---|---|---|---|
| 2009-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Gross alpha (excluding radon and uranium)code 4000 | No | Resolved |
| 2009-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Combined Radium (-226 and -228)code 4010 | No | Resolved |
| 2009-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Radium-228code 4030 | No | Resolved |
| 1996-01-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
All 4 violations in EPA's records, newest first.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.
Cadott Waterworks: frequently asked questions
Who runs Cadott Waterworks?
Cadott Waterworks (PWSID WI6090450) is a community water system owned by a local government. It is regulated by the WI state drinking water program.
How many people does Cadott Waterworks serve?
Cadott Waterworks reports serving 1,352 people through 632 service connections in Chippewa County, Wisconsin.
Where does Cadott 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 Cadott Waterworks have any drinking water violations?
EPA's records list 4 violations for this system; none is health-based, and the most recent began in July 2009. 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 Cadott 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 4 violations for this system; none is health-based, and the most recent began in July 2009. For current results, consult the system's annual water quality report, EPA ECHO, or the WI state drinking water program.
Where can I find Cadott Waterworks' water quality report?
As a community water system, Cadott 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 Chippewa County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Chippewa Falls Waterworks | Chippewa | 13,375 | Community | Groundwater |
| Lake Hallie Waterworks Village of | Chippewa | 6,701 | Community | Groundwater |
| Bloomer Waterworks | Chippewa | 3,680 | Community | Groundwater |
| Stanley Waterworks | Chippewa | 3,500 | Community | Groundwater |
| Cornell Waterworks | Chippewa | 1,390 | Community | Groundwater |
| Bateman Express Mart | Chippewa | 800 | 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, “Cadott Waterworks, PWSID WI6090450, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/cadott-waterworks-wi6090450 (data as of October 1, 2026).