Public water system · WI6560952
ActiveSomerset Town Hall
At a glance
Somerset Town Hall (PWSID WI6560952) is an active transient non-community water system in St. Croix County, Wisconsin. It reports serving 25 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list one violation for this system; it is health-based, and the most recent began in June 2004.
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 Somerset Town Hall compare with other water systems in St. Croix County?
By EPA's size categories, Somerset Town Hall is a very small system (500 people or fewer). St. Croix County has 165 active public water systems. Its population served is well below the county average of 349 people per system, and accounts for less than 0.1% of the 57,590 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 Somerset Town Hall 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 Somerset Town Hall?
EPA lists Somerset Town Hall as owned by a local 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. 21 of the 165 active systems in St. Croix County (13%) are also owned by a local government.
Does Somerset Town Hall have drinking water violations?
EPA's records list one violation for this system; it is health-based, and the most recent began in June 2004. By type: 1 contaminant level above the legal limit. The contaminant or rule involved is Total coliform bacteria (TCR). 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 |
|---|---|---|---|---|
| 2004-06-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | 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.
Somerset Town Hall: frequently asked questions
Who runs Somerset Town Hall?
Somerset Town Hall (PWSID WI6560952) is a transient non-community water system owned by a local government. It is regulated by the WI state drinking water program.
How many people does Somerset Town Hall serve?
Somerset Town Hall reports serving 25 people through 1 service connection in St. Croix County, Wisconsin.
Where does Somerset Town Hall 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 Somerset Town Hall have any drinking water violations?
EPA's records list one violation for this system; it is health-based, and the most recent began in June 2004. 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 Somerset Town Hall'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 health-based, and the most recent began in June 2004. For current results, consult EPA ECHO, or the WI state drinking water program.
Where can I find Somerset Town Hall's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Somerset Town Hall 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 St. Croix County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Hudson Waterworks | St. Croix | 18,558 | Community | Groundwater |
| New Richmond Waterworks | St. Croix | 10,824 | Community | Groundwater |
| Baldwin Waterworks | St. Croix | 4,440 | Community | Groundwater |
| Somerset Waterworks | St. Croix | 3,334 | Community | Groundwater |
| Hammond Waterworks | St. Croix | 1,884 | Community | Groundwater |
| Roberts Waterworks | St. Croix | 1,872 | 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, “Somerset Town Hall, PWSID WI6560952, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/somerset-town-hall-wi6560952 (data as of October 1, 2026).