Public water system · WI1134103
ActiveWestport Bishops Bay Area
At a glance
Westport Bishops Bay Area (PWSID WI1134103) is an active community water system in Dane County, Wisconsin. It reports serving 80 people through 31 service connections. Its primary water source is purchased groundwater, and EPA lists it as owned by a local government. EPA's records list one violation for this system; it is not health-based, and the most recent began in October 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
80
Service connections
31
Primary source
GWP
Purchased groundwater
System type
CWS
Community water system
System record
How does Westport Bishops Bay Area compare with other water systems in Dane County?
By EPA's size categories, Westport Bishops Bay Area 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 community water system reports serving 6,703 people, so Westport Bishops Bay Area is well below that figure.
What does “community water system” mean?
A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Wisconsin has 1,053 active community water systems, 9.5% of the state's 11,056 active systems. Purchased groundwater means the system buys groundwater from another public water system rather than drawing its own. 15 Wisconsin systems (0.1%) list purchased groundwater as their primary source.
Who owns and regulates Westport Bishops Bay Area?
EPA lists Westport Bishops Bay Area 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. 74 of the 300 active systems in Dane County (25%) are also owned by a local government.
Does Westport Bishops Bay Area have drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in October 2024. By type: 1 monitoring and reporting. The contaminant or rule involved is Lead and Copper Rule. 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 |
|---|---|---|---|---|
| 2024-10-01 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | 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.
Westport Bishops Bay Area: frequently asked questions
Who runs Westport Bishops Bay Area?
Westport Bishops Bay Area (PWSID WI1134103) is a community water system owned by a local government. It is regulated by the WI state drinking water program.
How many people does Westport Bishops Bay Area serve?
Westport Bishops Bay Area reports serving 80 people through 31 service connections in Dane County, Wisconsin.
Where does Westport Bishops Bay Area get its water?
EPA SDWIS lists this system's primary water source as purchased groundwater. Purchased groundwater means the system buys groundwater from another public water system rather than drawing its own.
Does Westport Bishops Bay Area have any drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in October 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 Westport Bishops Bay Area'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 not health-based, and the most recent began in October 2024. For current results, consult the system's annual water quality report, EPA ECHO, or the WI state drinking water program.
Where can I find Westport Bishops Bay Area's water quality report?
As a community water system, Westport Bishops Bay Area must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.
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, “Westport Bishops Bay Area, PWSID WI1134103, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/westport-bishops-bay-area-wi1134103 (data as of October 1, 2026).