Public water system · WI1133473
ActiveBank of Deerfield
At a glance
Bank of Deerfield (PWSID WI1133473) is an active transient non-community water system in Dane County, Wisconsin. It reports serving 38 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
38
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Bank of Deerfield compare with other water systems in Dane County?
By EPA's size categories, Bank of Deerfield is a very small system (500 people or fewer). Dane County has 300 active public water systems. Its population served is well below the county average of 1,742 people per system, and accounts for less than 0.1% of the 522,696 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 Bank of Deerfield 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 Bank of Deerfield?
EPA lists Bank of Deerfield 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. 211 of the 300 active systems in Dane County (70%) are also privately owned.
Does Bank of Deerfield 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 Bank of Deerfield. For the latest compliance status, check EPA ECHO for current compliance history.
Bank of Deerfield: frequently asked questions
Who runs Bank of Deerfield?
Bank of Deerfield (PWSID WI1133473) is a transient non-community water system privately owned. It is regulated by the WI state drinking water program.
How many people does Bank of Deerfield serve?
Bank of Deerfield reports serving 38 people through 1 service connection in Dane County, Wisconsin.
Where does Bank of Deerfield 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 Bank of Deerfield have any drinking water violations?
EPA's Safe Drinking Water Act records list no violations for this system.
Is Bank of Deerfield'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 Bank of Deerfield's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Bank of Deerfield 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 Dane County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Madison Water Utility | Dane | 272,000 | Community | Groundwater |
| Sun Prairie Utilities | Dane | 39,300 | Community | Groundwater |
| Fitchburg Utility Dist 1 | Dane | 24,500 | Community | Groundwater |
| Middleton Waterworks | Dane | 23,868 | Community | Groundwater |
| Waunakee Waterworks | Dane | 14,879 | Community | Groundwater |
| Verona Waterworks | Dane | 14,030 | 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, “Bank of Deerfield, PWSID WI1133473, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/bank-of-deerfield-wi1133473 (data as of October 1, 2026).