Public water system · WI1541829
ActiveTimber Hill Winery
At a glance
Timber Hill Winery (PWSID WI1541829) is an active transient non-community water system in Rock County, Wisconsin. It reports serving 107 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's Safe Drinking Water Act records list no violations for this system.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
107
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Timber Hill Winery compare with other water systems in Rock County?
By EPA's size categories, Timber Hill Winery is a very small system (500 people or fewer). Rock County has 156 active public water systems. Its population served is well below the county average of 952 people per system, and accounts for less than 0.1% of the 148,563 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 Timber Hill Winery is about 26% 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 Timber Hill Winery?
EPA lists Timber Hill Winery 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. 126 of the 156 active systems in Rock County (81%) are also privately owned.
Does Timber Hill Winery have drinking water violations?
No SDWA violations on record.
EPA's SDWA violation and enforcement data (via EPA ECHO, updated quarterly) lists no violations for Timber Hill Winery. For the latest compliance status, check EPA ECHO for current compliance history.
Timber Hill Winery: frequently asked questions
Who runs Timber Hill Winery?
Timber Hill Winery (PWSID WI1541829) is a transient non-community water system privately owned. It is regulated by the WI state drinking water program.
How many people does Timber Hill Winery serve?
Timber Hill Winery reports serving 107 people through 1 service connection in Rock County, Wisconsin.
Where does Timber Hill Winery 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 Timber Hill Winery have any drinking water violations?
EPA's Safe Drinking Water Act records list no violations for this system.
Is Timber Hill Winery'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 Safe Drinking Water Act records list no violations for this system. For current results, consult EPA ECHO, or the WI state drinking water program.
Where can I find Timber Hill Winery's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Timber Hill Winery 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 Rock County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Janesville Water Utility | Rock | 64,415 | Community | Groundwater |
| Beloit City of | Rock | 36,677 | Community | Groundwater |
| Evansville Waterworks | Rock | 5,703 | Community | Groundwater |
| Milton Waterworks | Rock | 5,588 | Community | Groundwater |
| Edgerton Waterworks | Rock | 5,512 | Community | Groundwater |
| Wi Dot Rest Area 22 Turtle | Rock | 3,005 | Transient non-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, “Timber Hill Winery, PWSID WI1541829, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/timber-hill-winery-wi1541829 (data as of October 1, 2026).