Public water system · MN1440004
ActiveWaubun
At a glance
Waubun (PWSID MN1440004) is an active community water system in Mahnomen County, Minnesota. It reports serving 404 people through 170 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 10 violations for this system; none is health-based, and the most recent began in April 2009.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
404
Service connections
170
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Waubun compare with other water systems in Mahnomen County?
By EPA's size categories, Waubun is a very small system (500 people or fewer). Mahnomen County has 18 active public water systems, and Waubun is the 3rd-largest of them by population served. Its population served is about twice the county average of 187 people per system, and accounts for 12% of the 3,365 people reported by systems filed under the county. Across Minnesota, the 6,465 active systems average 820 people each. Nationally, the average active community water system reports serving 6,703 people, so Waubun 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. Minnesota has 987 active community water systems, 15% of the state's 6,465 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 6,261 Minnesota systems (97%) list groundwater as their primary source.
Who owns and regulates Waubun?
EPA lists Waubun as owned by a local government. The MN state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 4 of the 18 active systems in Mahnomen County (22%) are also owned by a local government.
Does Waubun have drinking water violations?
EPA's records list 10 violations for this system; none is health-based, and the most recent began in April 2009. The violations listed here began between April 2001 and April 2009. By type: 10 monitoring and reporting. The contaminant or rule involved most often is Chlorine (5 of them). EPA lists 10 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 |
|---|---|---|---|---|
| 2009-04-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2009-04-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2008-07-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2008-07-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2007-10-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2006-10-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2006-10-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2006-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2006-01-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2001-04-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
All 10 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.
Waubun: frequently asked questions
Who runs Waubun?
Waubun (PWSID MN1440004) is a community water system owned by a local government. It is regulated by the MN state drinking water program.
How many people does Waubun serve?
Waubun reports serving 404 people through 170 service connections in Mahnomen County, Minnesota.
Where does Waubun 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 Waubun have any drinking water violations?
EPA's records list 10 violations for this system; none is health-based, and the most recent began in April 2009. 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 Waubun'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 10 violations for this system; none is health-based, and the most recent began in April 2009. For current results, consult the system's annual water quality report, EPA ECHO, or the MN state drinking water program.
Where can I find Waubun's water quality report?
As a community water system, Waubun 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 Mahnomen County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Mahnomen | Mahnomen | 1,217 | Community | Groundwater |
| Subway | Mahnomen | 500 | Transient non-community | Groundwater |
| Pinehurst Resort and Lodge | Mahnomen | 260 | Transient non-community | Groundwater |
| Elk Horn Resort and Camground | Mahnomen | 200 | Transient non-community | Groundwater |
| Farmers Union Oil Pump 24 | Mahnomen | 120 | Transient non-community | Groundwater |
| Circle'S of Faith Church | Mahnomen | 90 | Transient non-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, “Waubun, PWSID MN1440004, Minnesota”, https://aquacensus.com/water-systems/minnesota/waubun-mn1440004 (data as of October 1, 2026).