Public water system · WI1140059
ActiveBeaver Dam Water Utility
At a glance
Beaver Dam Water Utility (PWSID WI1140059) is an active community water system in Dodge County, Wisconsin. It reports serving 16,200 people through 6,000 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 April 2005.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
16,200
Service connections
6,000
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Beaver Dam Water Utility compare with other water systems in Dodge County?
By EPA's size categories, Beaver Dam Water Utility is a large system (10,001 to 100,000 people). Dodge County has 180 active public water systems, and Beaver Dam Water Utility is the largest of them by population served. Its population served is about 40 times the county average of 408 people per system, and accounts for 22% of the 73,453 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 Beaver Dam Water Utility is about 142% above 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 Beaver Dam Water Utility?
EPA lists Beaver Dam Water Utility 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. 38 of the 180 active systems in Dodge County (21%) are also owned by a local government.
Does Beaver Dam Water Utility have drinking water violations?
EPA's records list 3 violations for this system; 1 is health-based, and the most recent began in April 2005. The violations listed here began between January 1993 and April 2005. By type: 1 public notice, recordkeeping or other, 1 contaminant level above the legal limit and 1 monitoring and reporting. The contaminants or rules involved are Public Notice, Total coliform bacteria (TCR) and Lead and Copper Rule. 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 |
|---|---|---|---|---|
| 2005-04-01 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 1995-09-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1993-01-01 | Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51 | Lead and Copper Rulecode 5000 | 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.
Beaver Dam Water Utility: frequently asked questions
Who runs Beaver Dam Water Utility?
Beaver Dam Water Utility (PWSID WI1140059) is a community water system owned by a local government. It is regulated by the WI state drinking water program.
How many people does Beaver Dam Water Utility serve?
Beaver Dam Water Utility reports serving 16,200 people through 6,000 service connections in Dodge County, Wisconsin.
Where does Beaver Dam Water Utility 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 Beaver Dam Water Utility have any drinking water violations?
EPA's records list 3 violations for this system; 1 is health-based, and the most recent began in April 2005. 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 Beaver Dam Water Utility'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 3 violations for this system; 1 is health-based, and the most recent began in April 2005. For current results, consult the system's annual water quality report, EPA ECHO, or the WI state drinking water program.
Where can I find Beaver Dam Water Utility's water quality report?
As a community water system, Beaver Dam Water Utility 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 Dodge County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Waupun Utilities | Dodge | 8,056 | Community | Groundwater |
| Mayville Waterworks | Dodge | 5,112 | Community | Groundwater |
| Waupun Correctional Inst | Dodge | 3,706 | Community | Groundwater |
| Horicon Waterworks | Dodge | 3,682 | Community | Groundwater |
| Lomira Waterworks | Dodge | 2,701 | Community | Groundwater |
| Juneau Waterworks | Dodge | 2,627 | 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, “Beaver Dam Water Utility, PWSID WI1140059, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/beaver-dam-water-utility-wi1140059 (data as of October 1, 2026).