Public water system · WI6030132
ActiveCumberland Waterworks
At a glance
Cumberland Waterworks (PWSID WI6030132) is an active community water system in Barron County, Wisconsin. It reports serving 2,311 people through 855 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, 5 are health-based, and the most recent began in January 2015.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
2,311
Service connections
855
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Cumberland Waterworks compare with other water systems in Barron County?
By EPA's size categories, Cumberland Waterworks is a small system (501 to 3,300 people). Barron County has 193 active public water systems, and Cumberland Waterworks is the 3rd-largest of them by population served. Its population served is about 15 times the county average of 153 people per system, and accounts for 7.8% of the 29,556 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 Cumberland Waterworks is about 66% 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 Cumberland Waterworks?
EPA lists Cumberland 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. 20 of the 193 active systems in Barron County (10%) are also owned by a local government.
Does Cumberland Waterworks have drinking water violations?
Of the 12 most recent violations in EPA's records, 5 are health-based, and the most recent began in January 2015. The violations listed here began between January 1993 and January 2015. By type: 7 monitoring and reporting and 5 contaminant level above the legal limit. The contaminant or rule involved most often is Total coliform bacteria (TCR) (6 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 |
|---|---|---|---|---|
| 2015-01-01 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2013-12-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2011-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2008-08-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2007-05-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2007-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2006-06-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1994-01-01 | Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51 | Lead and Copper Rulecode 5000 | No | Resolved |
| 1993-07-01 | Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51 | Lead and Copper Rulecode 5000 | No | Resolved |
| 1993-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 1993-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 1993-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | 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.
Cumberland Waterworks: frequently asked questions
Who runs Cumberland Waterworks?
Cumberland Waterworks (PWSID WI6030132) is a community water system owned by a local government. It is regulated by the WI state drinking water program.
How many people does Cumberland Waterworks serve?
Cumberland Waterworks reports serving 2,311 people through 855 service connections in Barron County, Wisconsin.
Where does Cumberland 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 Cumberland Waterworks have any drinking water violations?
Of the 12 most recent violations in EPA's records, 5 are health-based, and the most recent began in January 2015. 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 Cumberland 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, 5 are health-based, and the most recent began in January 2015. For current results, consult the system's annual water quality report, EPA ECHO, or the WI state drinking water program.
Where can I find Cumberland Waterworks' water quality report?
As a community water system, Cumberland 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 Barron County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Rice Lake Waterworks | Barron | 9,012 | Community | Groundwater |
| Barron Light & Water Dept | Barron | 3,423 | Community | Groundwater |
| Chetek Waterworks | Barron | 1,931 | Community | Groundwater |
| Cameron Waterworks | Barron | 1,787 | Community | Groundwater |
| Turtle Lake Waterworks | Barron | 1,073 | Community | Groundwater |
| Almena Waterworks | Barron | 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, “Cumberland Waterworks, PWSID WI6030132, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/cumberland-waterworks-wi6030132 (data as of October 1, 2026).