Public water system · WI6170720
ActiveCalvary Christian School
At a glance
Calvary Christian School (PWSID WI6170720) is an active non-transient non-community water system in Dunn County, Wisconsin. It reports serving 25 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 2019.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
25
Service connections
1
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does Calvary Christian School compare with other water systems in Dunn County?
By EPA's size categories, Calvary Christian School is a very small system (500 people or fewer). Dunn County has 86 active public water systems. Its population served is well below the county average of 305 people per system, and accounts for less than 0.1% of the 26,187 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 Calvary Christian 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 Calvary Christian School?
EPA lists Calvary Christian 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. 68 of the 86 active systems in Dunn County (79%) are also privately owned.
Does Calvary Christian 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 2019. By type: 1 monitoring and reporting. The contaminant or rule involved is Lead and Copper 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 |
|---|---|---|---|---|
| 2019-10-01 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | 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.
Calvary Christian School: frequently asked questions
Who runs Calvary Christian School?
Calvary Christian School (PWSID WI6170720) is a non-transient non-community water system privately owned. It is regulated by the WI state drinking water program.
How many people does Calvary Christian School serve?
Calvary Christian School reports serving 25 people through 1 service connection in Dunn County, Wisconsin.
Where does Calvary Christian 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 Calvary Christian 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 2019. 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 Calvary Christian 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 2019. For current results, consult EPA ECHO, or the WI state drinking water program.
Where can I find Calvary Christian School's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Calvary Christian 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 Dunn County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Menomonie Waterworks | Dunn | 15,950 | Community | Groundwater |
| Colfax Waterworks | Dunn | 1,102 | Community | Groundwater |
| Boyceville Waterworks | Dunn | 1,043 | Community | Groundwater |
| Elk Mound Waterworks | Dunn | 895 | Community | Groundwater |
| Birch Terrace Mobile Home Community | Dunn | 700 | Community | Groundwater |
| Knapp Waterworks | Dunn | 486 | 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, “Calvary Christian School, PWSID WI6170720, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/calvary-christian-school-wi6170720 (data as of October 1, 2026).