Public water system · WI7010543
ActiveCals Corner
At a glance
Cals Corner (PWSID WI7010543) is an active transient non-community water system in Adams 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 3 violations for this system; none is health-based, and the most recent began in January 2000.
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 Cals Corner compare with other water systems in Adams County?
By EPA's size categories, Cals Corner is a very small system (500 people or fewer). Adams County has 202 active public water systems. Its population served is well below the county average of 119 people per system, and accounts for 0.1% of the 24,041 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 Cals Corner 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 Cals Corner?
EPA lists Cals Corner 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. 184 of the 202 active systems in Adams County (91%) are also privately owned.
Does Cals Corner have drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in January 2000. The violations listed here began between January 1996 and January 2000. By type: 3 monitoring and reporting. The contaminant or rule involved most often is Nitrate (2 of them). EPA lists 3 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 |
|---|---|---|---|---|
| 2000-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 1996-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 1996-01-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
All 3 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.
Cals Corner: frequently asked questions
Who runs Cals Corner?
Cals Corner (PWSID WI7010543) is a transient non-community water system privately owned. It is regulated by the WI state drinking water program.
How many people does Cals Corner serve?
Cals Corner reports serving 25 people through 1 service connection in Adams County, Wisconsin.
Where does Cals Corner 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 Cals Corner have any drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in January 2000. 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 Cals Corner'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 3 violations for this system; none is health-based, and the most recent began in January 2000. For current results, consult EPA ECHO, or the WI state drinking water program.
Where can I find Cals Corner's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Cals Corner 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 Adams County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Rome Water Utility | Adams | 2,775 | Community | Groundwater |
| Adams Waterworks | Adams | 1,847 | Community | Groundwater |
| Federal Correctional Institution | Adams | 1,550 | Community | Groundwater |
| Friendship Waterworks | Adams | 781 | Community | Purchased groundwater |
| Emrick Lake Cmpgrnd Main Well | Adams | 750 | Transient non-community | Groundwater |
| Emrick Lake Cmpgrnd Reserve Area | Adams | 750 | Transient non-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, “Cals Corner, PWSID WI7010543, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/cals-corner-wi7010543 (data as of October 1, 2026).