Public water system · WI4080407
ActiveStockbridge Waterworks
At a glance
Stockbridge Waterworks (PWSID WI4080407) is an active community water system in Calumet County, Wisconsin. It reports serving 650 people through 240 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 3 violations for this system; 1 is health-based, and the most recent began in October 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
650
Service connections
240
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Stockbridge Waterworks compare with other water systems in Calumet County?
By EPA's size categories, Stockbridge Waterworks is a small system (501 to 3,300 people). Calumet County has 50 active public water systems. Its population served is about 34% above the county average of 485 people per system, and accounts for 2.7% of the 24,253 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 Stockbridge Waterworks 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. 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 Stockbridge Waterworks?
EPA lists Stockbridge Waterworks 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. 12 of the 50 active systems in Calumet County (24%) are also owned by a local government.
Does Stockbridge Waterworks have drinking water violations?
EPA's records list 3 violations for this system; 1 is health-based, and the most recent began in October 2024. The violations listed here began between June 2002 and October 2024. By type: 1 required treatment not met, 1 public notice, recordkeeping or other and 1 monitoring and reporting. The contaminants or rules involved are Lead and Copper Rule Revisions, Public Notice and Total coliform bacteria (TCR). EPA lists 3 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 |
|---|---|---|---|---|
| 2024-10-17 | Required treatment not metLSL Inventory · code 2E | Lead and Copper Rule Revisionscode 5200 | Yes | Resolved |
| 2024-10-17 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2002-06-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
All 3 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.
Stockbridge Waterworks: frequently asked questions
Who runs Stockbridge Waterworks?
Stockbridge Waterworks (PWSID WI4080407) is a community water system owned by a local government. It is regulated by the WI state drinking water program.
How many people does Stockbridge Waterworks serve?
Stockbridge Waterworks reports serving 650 people through 240 service connections in Calumet County, Wisconsin.
Where does Stockbridge Waterworks 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 Stockbridge Waterworks have any drinking water violations?
EPA's records list 3 violations for this system; 1 is 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 Stockbridge Waterworks' 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 3 violations for this system; 1 is 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 Stockbridge Waterworks' water quality report?
As a community water system, Stockbridge Waterworks 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 Calumet County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Harrison Utilities - Fka Waverly Sd | Calumet | 5,500 | Community | Purchased surface water |
| Chilton Waterworks | Calumet | 4,191 | Community | Groundwater |
| Brillion Waterworks | Calumet | 3,262 | Community | Groundwater |
| Sherwood Waterworks | Calumet | 3,114 | Community | Purchased surface water |
| New Holstein Waterworks | Calumet | 3,012 | Community | Groundwater |
| Hilbert Waterworks | Calumet | 1,176 | 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, “Stockbridge Waterworks, PWSID WI4080407, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/stockbridge-waterworks-wi4080407 (data as of October 1, 2026).