Public water system · WI1281091
ActiveWi Dnr Kmsfsu E Carlin Trail Head
At a glance
Wi Dnr Kmsfsu E Carlin Trail Head (PWSID WI1281091) is an active transient non-community water system in Jefferson County, Wisconsin. It reports serving 25 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as owned by a state government. EPA's records list 4 violations for this system; 1 is health-based, and the most recent began in May 2022.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
25
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Wi Dnr Kmsfsu E Carlin Trail Head compare with other water systems in Jefferson County?
By EPA's size categories, Wi Dnr Kmsfsu E Carlin Trail Head is a very small system (500 people or fewer). Jefferson County has 195 active public water systems. Its population served is well below the county average of 453 people per system, and accounts for less than 0.1% of the 88,343 people reported by systems filed under the county. Across Wisconsin, the 11,056 active systems average 469 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Wi Dnr Kmsfsu E Carlin Trail Head is well below that figure.
What does “transient non-community water system” mean?
A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. Wisconsin has 9,112 active transient non-community water systems, 82% 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 Wi Dnr Kmsfsu E Carlin Trail Head?
EPA lists Wi Dnr Kmsfsu E Carlin Trail Head as owned by a state 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. 8 of the 195 active systems in Jefferson County (4.1%) are also owned by a state government.
Does Wi Dnr Kmsfsu E Carlin Trail Head have drinking water violations?
EPA's records list 4 violations for this system; 1 is health-based, and the most recent began in May 2022. The violations listed here began between October 2000 and May 2022. By type: 2 monitoring and reporting, 1 reporting and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Total coliform bacteria (TCR) (3 of them). 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 |
|---|---|---|---|---|
| 2022-05-24 | ReportingReport Startup Procedures Cert Form (RTCR) · code 4C | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2002-04-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2001-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2000-10-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | 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.
Wi Dnr Kmsfsu E Carlin Trail Head: frequently asked questions
Who runs Wi Dnr Kmsfsu E Carlin Trail Head?
Wi Dnr Kmsfsu E Carlin Trail Head (PWSID WI1281091) is a transient non-community water system owned by a state government. It is regulated by the WI state drinking water program.
How many people does Wi Dnr Kmsfsu E Carlin Trail Head serve?
Wi Dnr Kmsfsu E Carlin Trail Head reports serving 25 people through 1 service connection in Jefferson County, Wisconsin.
Where does Wi Dnr Kmsfsu E Carlin Trail Head 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 Wi Dnr Kmsfsu E Carlin Trail Head have any drinking water violations?
EPA's records list 4 violations for this system; 1 is health-based, and the most recent began in May 2022. 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 Wi Dnr Kmsfsu E Carlin Trail Head'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 records list 4 violations for this system; 1 is health-based, and the most recent began in May 2022. For current results, consult EPA ECHO, or the WI state drinking water program.
Where can I find Wi Dnr Kmsfsu E Carlin Trail Head's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Wi Dnr Kmsfsu E Carlin Trail Head is a transient non-community water system, so it is not required to publish one; like every public water system, it must notify the people it serves about violations under EPA's public notification rules.
Other water systems in Jefferson County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Watertown Waterworks | Jefferson | 23,945 | Community | Groundwater |
| Fort Atkinson Waterworks | Jefferson | 12,390 | Community | Groundwater |
| Jefferson Waterworks | Jefferson | 7,926 | Community | Groundwater |
| Lake Mills Waterworks | Jefferson | 6,211 | Community | Groundwater |
| Waterloo Waterworks | Jefferson | 3,520 | Community | Groundwater |
| Johnson Creek Waterworks | Jefferson | 3,318 | Community | Groundwater |
Related pages
Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.
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, “Wi Dnr Kmsfsu E Carlin Trail Head, PWSID WI1281091, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/wi-dnr-kmsfsu-e-carlin-trail-head-wi1281091 (data as of October 1, 2026).