Public water system · MN1810004
ActiveWaseca
At a glance
Waseca (PWSID MN1810004) is an active community water system in Waseca County, Minnesota. It reports serving 9,241 people through 3,303 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list one violation for this system; it is not health-based, and the most recent began in September 1997.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
9,241
Service connections
3,303
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Waseca compare with other water systems in Waseca County?
By EPA's size categories, Waseca is a medium system (3,301 to 10,000 people). Waseca County has 28 active public water systems, and Waseca is the largest of them by population served. Its population served is about 18 times the county average of 524 people per system, and accounts for 63% 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 Waseca is about 38% 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. 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 Waseca?
EPA lists Waseca 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 Waseca have drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in September 1997. By type: 1 monitoring and reporting. The contaminant or rule involved is Total coliform bacteria (TCR). EPA lists 1 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 |
|---|---|---|---|---|
| 1997-09-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Archived |
The one violation in EPA's records.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.
Waseca: frequently asked questions
Who runs Waseca?
Waseca (PWSID MN1810004) is a community water system owned by a local government. It is regulated by the MN state drinking water program.
How many people does Waseca serve?
Waseca reports serving 9,241 people through 3,303 service connections in Waseca County, Minnesota.
Where does Waseca 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 Waseca have any drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in September 1997. 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 Waseca'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 one violation for this system; it is not health-based, and the most recent began in September 1997. For current results, consult the system's annual water quality report, EPA ECHO, or the MN state drinking water program.
Where can I find Waseca's water quality report?
As a community water system, Waseca 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 |
|---|---|---|---|---|
| Janesville | Waseca | 2,275 | Community | Groundwater |
| New Richland | Waseca | 1,201 | Community | Groundwater |
| Waldorf | Waseca | 216 | 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, “Waseca, PWSID MN1810004, Minnesota”, https://aquacensus.com/water-systems/minnesota/waseca-mn1810004 (data as of October 1, 2026).