Public water system · WI1540114
ActiveClinton Waterworks
At a glance
Clinton Waterworks (PWSID WI1540114) is an active community water system in Rock County, Wisconsin. It reports serving 2,119 people through 784 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 April 2009.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
2,119
Service connections
784
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Clinton Waterworks compare with other water systems in Rock County?
By EPA's size categories, Clinton Waterworks is a small system (501 to 3,300 people). Rock County has 156 active public water systems. Its population served is about 123% above the county average of 952 people per system, and accounts for 1.4% of the 148,563 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 Clinton 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 Clinton Waterworks?
EPA lists Clinton 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. 27 of the 156 active systems in Rock County (17%) are also owned by a local government.
Does Clinton Waterworks have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in April 2009. The violations listed here began between April 2009 and April 2009. By type: 12 monitoring and reporting. The contaminants or rules involved are Trichloroethylene, Dichloromethane, 1,1-Dichloroethylene and 1,2-Dichloropropane. 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 |
|---|---|---|---|---|
| 2009-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Trichloroethylenecode 2984 | No | Resolved |
| 2009-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Dichloromethanecode 2964 | No | Resolved |
| 2009-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,1-Dichloroethylenecode 2977 | No | Resolved |
| 2009-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,2-Dichloropropanecode 2983 | No | Resolved |
| 2009-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Benzenecode 2990 | No | Resolved |
| 2009-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Xylenes, Totalcode 2955 | No | Resolved |
| 2009-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Thalliumcode 1085 | No | Resolved |
| 2009-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Styrenecode 2996 | No | Resolved |
| 2009-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | trans-1,2-Dichloroethylenecode 2979 | No | Resolved |
| 2009-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,2-Dichloroethanecode 2980 | No | Resolved |
| 2009-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Tetrachloroethylenecode 2987 | No | Resolved |
| 2009-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | p-Dichlorobenzenecode 2969 | 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.
Clinton Waterworks: frequently asked questions
Who runs Clinton Waterworks?
Clinton Waterworks (PWSID WI1540114) is a community water system owned by a local government. It is regulated by the WI state drinking water program.
How many people does Clinton Waterworks serve?
Clinton Waterworks reports serving 2,119 people through 784 service connections in Rock County, Wisconsin.
Where does Clinton 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 Clinton Waterworks 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 April 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 Clinton 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. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in April 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 Clinton Waterworks' water quality report?
As a community water system, Clinton 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 Rock County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Janesville Water Utility | Rock | 64,415 | Community | Groundwater |
| Beloit City of | Rock | 36,677 | Community | Groundwater |
| Evansville Waterworks | Rock | 5,703 | Community | Groundwater |
| Milton Waterworks | Rock | 5,588 | Community | Groundwater |
| Edgerton Waterworks | Rock | 5,512 | Community | Groundwater |
| Wi Dot Rest Area 22 Turtle | Rock | 3,005 | 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, “Clinton Waterworks, PWSID WI1540114, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/clinton-waterworks-wi1540114 (data as of October 1, 2026).