Public water system · WI1130231
ActiveFitchburg Utility Dist 1
At a glance
Fitchburg Utility Dist 1 (PWSID WI1130231) is an active community water system in Dane County, Wisconsin. It reports serving 24,500 people through 9,074 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in October 2021.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
24,500
Service connections
9,074
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Fitchburg Utility Dist 1 compare with other water systems in Dane County?
By EPA's size categories, Fitchburg Utility Dist 1 is a large system (10,001 to 100,000 people). Dane County has 300 active public water systems, and Fitchburg Utility Dist 1 is the 3rd-largest of them by population served. Its population served is about 14 times the county average of 1,742 people per system, and accounts for 4.7% of the 522,696 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 Fitchburg Utility Dist 1 is about 3.7 times 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 Fitchburg Utility Dist 1?
EPA lists Fitchburg Utility Dist 1 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. 74 of the 300 active systems in Dane County (25%) are also owned by a local government.
Does Fitchburg Utility Dist 1 have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in October 2021. The violations listed here began between July 1994 and October 2021. By type: 11 monitoring and reporting and 1 monitoring. The contaminants or rules involved are Revised Total Coliform Rule, Nitrate, Toluene and 1,2,4-Trichlorobenzene. EPA lists 12 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 |
|---|---|---|---|---|
| 2021-10-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2001-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 1994-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Toluenecode 2991 | No | Resolved |
| 1994-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,2,4-Trichlorobenzenecode 2378 | No | Resolved |
| 1994-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Dichloromethanecode 2964 | No | Resolved |
| 1994-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,1-Dichloroethylenecode 2977 | No | Resolved |
| 1994-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | trans-1,2-Dichloroethylenecode 2979 | No | Resolved |
| 1994-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | cis-1,2-Dichloroethylenecode 2380 | No | Resolved |
| 1994-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,2-Dichloropropanecode 2983 | No | Resolved |
| 1994-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,1,2-Trichloroethanecode 2985 | No | Resolved |
| 1994-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Vinyl chloridecode 2976 | No | Resolved |
| 1994-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Benzenecode 2990 | No | Resolved |
The 12 most recent 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.
Fitchburg Utility Dist 1: frequently asked questions
Who runs Fitchburg Utility Dist 1?
Fitchburg Utility Dist 1 (PWSID WI1130231) is a community water system owned by a local government. It is regulated by the WI state drinking water program.
How many people does Fitchburg Utility Dist 1 serve?
Fitchburg Utility Dist 1 reports serving 24,500 people through 9,074 service connections in Dane County, Wisconsin.
Where does Fitchburg Utility Dist 1 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 Fitchburg Utility Dist 1 have any drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in October 2021. 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 Fitchburg Utility Dist 1'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. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in October 2021. For current results, consult the system's annual water quality report, EPA ECHO, or the WI state drinking water program.
Where can I find Fitchburg Utility Dist 1's water quality report?
As a community water system, Fitchburg Utility Dist 1 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 Dane County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Madison Water Utility | Dane | 272,000 | Community | Groundwater |
| Sun Prairie Utilities | Dane | 39,300 | Community | Groundwater |
| Middleton Waterworks | Dane | 23,868 | Community | Groundwater |
| Waunakee Waterworks | Dane | 14,879 | Community | Groundwater |
| Verona Waterworks | Dane | 14,030 | Community | Groundwater |
| Stoughton Waterworks | Dane | 13,078 | 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, “Fitchburg Utility Dist 1, PWSID WI1130231, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/fitchburg-utility-dist-1-wi1130231 (data as of October 1, 2026).