Public water system · WI4590451
ActiveBowler Waterworks
At a glance
Bowler Waterworks (PWSID WI4590451) is an active community water system in Shawano County, Wisconsin. It reports serving 357 people through 132 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, 7 are health-based, and the most recent began in October 2012.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
357
Service connections
132
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Bowler Waterworks compare with other water systems in Shawano County?
By EPA's size categories, Bowler Waterworks is a very small system (500 people or fewer). Shawano County has 116 active public water systems. Its population served is about 70% above the county average of 210 people per system, and accounts for 1.5% of the 24,399 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 Bowler 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 Bowler Waterworks?
EPA lists Bowler 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. 16 of the 116 active systems in Shawano County (14%) are also owned by a local government.
Does Bowler Waterworks have drinking water violations?
Of the 12 most recent violations in EPA's records, 7 are health-based, and the most recent began in October 2012. The violations listed here began between August 1995 and October 2012. By type: 7 contaminant level above the legal limit, 4 monitoring and reporting and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Total coliform bacteria (TCR) (9 of them). EPA lists 12 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 |
|---|---|---|---|---|
| 2012-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Nitratecode 1040 | Yes | Resolved |
| 2006-08-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2006-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2004-09-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2004-07-01 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2004-06-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2004-04-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2001-06-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2001-05-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1996-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1996-08-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1995-08-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Acute (TCR) · code 21 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
The 12 most recent 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.
Bowler Waterworks: frequently asked questions
Who runs Bowler Waterworks?
Bowler Waterworks (PWSID WI4590451) is a community water system owned by a local government. It is regulated by the WI state drinking water program.
How many people does Bowler Waterworks serve?
Bowler Waterworks reports serving 357 people through 132 service connections in Shawano County, Wisconsin.
Where does Bowler 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 Bowler Waterworks have any drinking water violations?
Of the 12 most recent violations in EPA's records, 7 are health-based, and the most recent began in October 2012. 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 Bowler 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. Of the 12 most recent violations in EPA's records, 7 are health-based, and the most recent began in October 2012. For current results, consult the system's annual water quality report, EPA ECHO, or the WI state drinking water program.
Where can I find Bowler Waterworks' water quality report?
As a community water system, Bowler 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 Shawano County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Shawano Waterworks | Shawano | 9,610 | Community | Groundwater |
| Shawano Lk San Dist 1 | Shawano | 4,950 | Community | Groundwater |
| Bonduel Waterworks | Shawano | 1,475 | Community | Groundwater |
| Wittenberg Waterworks | Shawano | 1,200 | Community | Groundwater |
| Birnamwood Waterworks | Shawano | 832 | Community | Groundwater |
| Tigerton Waterworks | Shawano | 705 | 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, “Bowler Waterworks, PWSID WI4590451, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/bowler-waterworks-wi4590451 (data as of October 1, 2026).