Public water system · WI1220180
ActiveWi Historical Stonefield Barn
At a glance
Wi Historical Stonefield Barn (PWSID WI1220180) is an active transient non-community water system in Grant County, Wisconsin. It reports serving 303 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as owned by a state government. EPA's records list 4 violations for this system; none is health-based, and the most recent began in May 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
303
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Wi Historical Stonefield Barn compare with other water systems in Grant County?
By EPA's size categories, Wi Historical Stonefield Barn is a very small system (500 people or fewer). Grant County has 90 active public water systems. Its population served is about 35% below the county average of 463 people per system, and accounts for 0.7% of the 41,674 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 Historical Stonefield Barn is about twice 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 Historical Stonefield Barn?
EPA lists Wi Historical Stonefield Barn 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. 14 of the 90 active systems in Grant County (16%) are also owned by a state government.
Does Wi Historical Stonefield Barn have drinking water violations?
EPA's records list 4 violations for this system; none is health-based, and the most recent began in May 2024. The violations listed here began between July 2001 and May 2024. By type: 2 monitoring, 1 public notice, recordkeeping or other and 1 monitoring and reporting. The contaminant or rule involved most often is Revised Total Coliform Rule (2 of them). EPA lists 3 as resolved and 1 as unaddressed. 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. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2024-05-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2022-11-01 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Unaddressed |
| 2022-10-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2001-07-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
All 4 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 Historical Stonefield Barn: frequently asked questions
Who runs Wi Historical Stonefield Barn?
Wi Historical Stonefield Barn (PWSID WI1220180) 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 Historical Stonefield Barn serve?
Wi Historical Stonefield Barn reports serving 303 people through 1 service connection in Grant County, Wisconsin.
Where does Wi Historical Stonefield Barn 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 Historical Stonefield Barn have any drinking water violations?
EPA's records list 4 violations for this system; none is health-based, and the most recent began in May 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 Wi Historical Stonefield Barn'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 4 violations for this system; none is health-based, and the most recent began in May 2024. For current results, consult EPA ECHO, or the WI state drinking water program.
Where can I find Wi Historical Stonefield Barn's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Wi Historical Stonefield Barn 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 Grant County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Platteville Waterworks | Grant | 12,268 | Community | Groundwater |
| Lancaster Waterworks | Grant | 3,907 | Community | Groundwater |
| Boscobel Waterworks | Grant | 3,237 | Community | Groundwater |
| Fennimore Waterworks | Grant | 2,507 | Community | Groundwater |
| Cuba City Waterworks | Grant | 2,141 | Community | Groundwater |
| Muscoda Waterworks | Grant | 1,453 | 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 Historical Stonefield Barn, PWSID WI1220180, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/wi-historical-stonefield-barn-wi1220180 (data as of October 1, 2026).