Public water system · MN1810003
ActiveWaldorf
At a glance
Waldorf (PWSID MN1810003) is an active community water system in Waseca County, Minnesota. It reports serving 216 people through 118 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 4 violations for this system; 3 are health-based, and the most recent began in January 2026.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
216
Service connections
118
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Waldorf compare with other water systems in Waseca County?
By EPA's size categories, Waldorf is a very small system (500 people or fewer). Waseca County has 28 active public water systems, and Waldorf is the 4th-largest of them by population served. Its population served is about 59% below the county average of 524 people per system, and accounts for 1.5% of the 14,665 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 Waldorf 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 Waldorf?
EPA lists Waldorf 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. 5 of the 28 active systems in Waseca County (18%) are also owned by a local government.
Does Waldorf have drinking water violations?
EPA's records list 4 violations for this system; 3 are health-based, and the most recent began in January 2026. The violations listed here began between January 1994 and January 2026. By type: 3 contaminant level above the legal limit and 1 monitoring and reporting. The contaminant or rule involved most often is Gross alpha (excluding radon and uranium) (3 of them). EPA lists 4 as archived. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2026-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Gross alpha (excluding radon and uranium)code 4000 | Yes | Archived |
| 2025-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Gross alpha (excluding radon and uranium)code 4000 | Yes | Archived |
| 2025-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Gross alpha (excluding radon and uranium)code 4000 | Yes | Archived |
| 1994-01-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
All 4 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.
Waldorf: frequently asked questions
Who runs Waldorf?
Waldorf (PWSID MN1810003) is a community water system owned by a local government. It is regulated by the MN state drinking water program.
How many people does Waldorf serve?
Waldorf reports serving 216 people through 118 service connections in Waseca County, Minnesota.
Where does Waldorf 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 Waldorf have any drinking water violations?
EPA's records list 4 violations for this system; 3 are health-based, and the most recent began in January 2026. 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 Waldorf'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 4 violations for this system; 3 are health-based, and the most recent began in January 2026. For current results, consult the system's annual water quality report, EPA ECHO, or the MN state drinking water program.
Where can I find Waldorf's water quality report?
As a community water system, Waldorf 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 Waseca County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Waseca | Waseca | 9,241 | Community | Groundwater |
| Janesville | Waseca | 2,275 | Community | Groundwater |
| New Richland | Waseca | 1,201 | Community | Groundwater |
| Trinity Lutheran Church-Wilton | Waseca | 150 | Transient non-community | Groundwater |
| North Waseca Lutheran Church | Waseca | 150 | Transient non-community | Groundwater |
| St. Johns Evangelical Lutheran Church | Waseca | 140 | 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, “Waldorf, PWSID MN1810003, Minnesota”, https://aquacensus.com/water-systems/minnesota/waldorf-mn1810003 (data as of October 1, 2026).