Public water system · WI6620431
ActiveWi Dnr Perrot 1 Shop Well
At a glance
Wi Dnr Perrot 1 Shop Well (PWSID WI6620431) is an active transient non-community water system in Trempealeau County, Wisconsin. It reports serving 50 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as owned by a state government. Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in October 2023.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
50
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Wi Dnr Perrot 1 Shop Well compare with other water systems in Trempealeau County?
By EPA's size categories, Wi Dnr Perrot 1 Shop Well is a very small system (500 people or fewer). Trempealeau County has 77 active public water systems. Its population served is well below the county average of 259 people per system, and accounts for 0.3% of the 19,945 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 Perrot 1 Shop Well is about 65% 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 Perrot 1 Shop Well?
EPA lists Wi Dnr Perrot 1 Shop Well 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. 4 of the 77 active systems in Trempealeau County (5.2%) are also owned by a state government.
Does Wi Dnr Perrot 1 Shop Well have drinking water violations?
Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in October 2023. The violations listed here began between June 2013 and October 2023. By type: 4 monitoring, 4 monitoring and reporting, 2 public notice, recordkeeping or other and 2 contaminant level above the legal limit. The contaminant or rule involved most often is Total coliform bacteria (TCR) (5 of them). EPA lists 12 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 |
|---|---|---|---|---|
| 2023-10-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2020-10-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2019-04-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2017-10-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2016-01-01 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2015-10-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2015-05-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2014-01-01 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2013-10-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2013-06-18 | Monitoring and reportingMonitoring, Source Water (GWR) · code 34 | E. colicode 3014 | No | Resolved |
| 2013-06-11 | Monitoring and reportingMonitoring, Repeat Minor (TCR) · code 26 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2013-06-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
The 12 most recent 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 Perrot 1 Shop Well: frequently asked questions
Who runs Wi Dnr Perrot 1 Shop Well?
Wi Dnr Perrot 1 Shop Well (PWSID WI6620431) 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 Perrot 1 Shop Well serve?
Wi Dnr Perrot 1 Shop Well reports serving 50 people through 1 service connection in Trempealeau County, Wisconsin.
Where does Wi Dnr Perrot 1 Shop Well 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 Perrot 1 Shop Well have any drinking water violations?
Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in October 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 Wi Dnr Perrot 1 Shop Well'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. Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in October 2023. For current results, consult EPA ECHO, or the WI state drinking water program.
Where can I find Wi Dnr Perrot 1 Shop Well's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Wi Dnr Perrot 1 Shop Well 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 Trempealeau County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Arcadia Waterworks | Trempealeau | 3,737 | Community | Groundwater |
| Trempealeau Waterworks | Trempealeau | 1,888 | Community | Groundwater |
| Whitehall Waterworks | Trempealeau | 1,820 | Community | Groundwater |
| Osseo Waterworks | Trempealeau | 1,701 | Community | Groundwater |
| Galesville Waterworks | Trempealeau | 1,679 | Community | Groundwater |
| Independence Waterworks | Trempealeau | 1,500 | 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, “Wi Dnr Perrot 1 Shop Well, PWSID WI6620431, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/wi-dnr-perrot-1-shop-well-wi6620431 (data as of October 1, 2026).