Public water system · WI1134287
ActiveKoshkonong Trails Charter School
At a glance
Koshkonong Trails Charter School (PWSID WI1134287) is an active non-transient non-community water system in Dane County, Wisconsin. It reports serving 35 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list one violation for this system; it is not health-based, and the most recent began in October 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
35
Service connections
1
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does Koshkonong Trails Charter School compare with other water systems in Dane County?
By EPA's size categories, Koshkonong Trails Charter School is a very small system (500 people or fewer). Dane County has 300 active public water systems. Its population served is well below the county average of 1,742 people per system, and accounts for less than 0.1% 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 non-transient non-community water system reports serving 430 people, so Koshkonong Trails Charter School is well below that figure.
What does “non-transient non-community water system” mean?
A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. Wisconsin has 891 active non-transient non-community water systems, 8.1% 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 Koshkonong Trails Charter School?
EPA lists Koshkonong Trails Charter School as privately owned. 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. 211 of the 300 active systems in Dane County (70%) are also privately owned.
Does Koshkonong Trails Charter School have drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in October 2024. 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 |
|---|---|---|---|---|
| 2024-10-01 | 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.
Koshkonong Trails Charter School: frequently asked questions
Who runs Koshkonong Trails Charter School?
Koshkonong Trails Charter School (PWSID WI1134287) is a non-transient non-community water system privately owned. It is regulated by the WI state drinking water program.
How many people does Koshkonong Trails Charter School serve?
Koshkonong Trails Charter School reports serving 35 people through 1 service connection in Dane County, Wisconsin.
Where does Koshkonong Trails Charter School 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 Koshkonong Trails Charter School 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 October 2024. 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 Koshkonong Trails Charter School'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 one violation for this system; it is not health-based, and the most recent began in October 2024. For current results, consult EPA ECHO, or the WI state drinking water program.
Where can I find Koshkonong Trails Charter School's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Koshkonong Trails Charter School is a non-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 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 |
| Fitchburg Utility Dist 1 | Dane | 24,500 | Community | Groundwater |
| Middleton Waterworks | Dane | 23,868 | Community | Groundwater |
| Waunakee Waterworks | Dane | 14,879 | Community | Groundwater |
| Verona Waterworks | Dane | 14,030 | 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, “Koshkonong Trails Charter School, PWSID WI1134287, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/koshkonong-trails-charter-school-wi1134287 (data as of October 1, 2026).