Public water system · WI3110009
ActiveAll Stop Plaza
At a glance
All Stop Plaza (PWSID WI3110009) is an active transient non-community water system in Columbia County, Wisconsin. It reports serving 718 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 2 violations for this system; none is health-based, and the most recent began in April 2023.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
718
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does All Stop Plaza compare with other water systems in Columbia County?
By EPA's size categories, All Stop Plaza is a small system (501 to 3,300 people). Columbia County has 140 active public water systems. Its population served is about 55% above the county average of 463 people per system, and accounts for 1.1% of the 64,780 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 All Stop Plaza is about 5 times 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 All Stop Plaza?
EPA lists All Stop Plaza 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. 114 of the 140 active systems in Columbia County (81%) are also privately owned.
Does All Stop Plaza have drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in April 2023. The violations listed here began between January 2003 and April 2023. By type: 2 monitoring and reporting. The contaminants or rules involved are Nitrate and Total coliform bacteria (TCR). EPA lists 2 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 |
|---|---|---|---|---|
| 2023-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2003-01-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
All 2 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.
All Stop Plaza: frequently asked questions
Who runs All Stop Plaza?
All Stop Plaza (PWSID WI3110009) is a transient non-community water system privately owned. It is regulated by the WI state drinking water program.
How many people does All Stop Plaza serve?
All Stop Plaza reports serving 718 people through 1 service connection in Columbia County, Wisconsin.
Where does All Stop Plaza 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 All Stop Plaza have any drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in April 2023. 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 All Stop Plaza'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 2 violations for this system; none is health-based, and the most recent began in April 2023. For current results, consult EPA ECHO, or the WI state drinking water program.
Where can I find All Stop Plaza's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. All Stop Plaza 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 Columbia County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Portage Waterworks | Columbia | 10,437 | Community | Groundwater |
| Columbus Utilities | Columbia | 5,173 | Community | Groundwater |
| Wi Dot Rest Area 12 Dekorra West Bound | Columbia | 3,255 | Transient non-community | Groundwater |
| Wisconsin Dells Waterworks | Columbia | 3,232 | Community | Groundwater |
| Lodi Waterworks | Columbia | 3,146 | Community | Groundwater |
| Poynette Waterworks | Columbia | 2,520 | 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, “All Stop Plaza, PWSID WI3110009, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/all-stop-plaza-wi3110009 (data as of October 1, 2026).