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Waseca County, Minnesota — public water systems

At a glance

28 active public water systems are filed under Waseca County, Minnesota in EPA's SDWIS records, together reporting 14,665 people served. The largest is Waseca, which reports serving 9,241 people. 4 are community water systems serving people where they live; the other 24 are non-community systems, such as schools, workplaces, campgrounds and gas stations with their own supply.

Dataset updated . Source: EPA SDWIS/ECHO, refreshed quarterly.

Active systems

28

Population served

14.7K

Community systems

4

Groundwater share

100%

How does Waseca County compare with other Minnesota counties?

Waseca County has the 58th-most active public water systems among the 94 counties listed for active Minnesota systems in EPA records; among the 87 with 3 or more systems, the median has 49. Its systems report 14,665 people served in total, the 52nd-largest county figure in the state and 0.3% of the statewide total. The average system here reports serving 524 people, about 36% below the Minnesota average of 820. Population figures are what each system reports; people served by more than one system, such as a wholesaler and the town that buys from it, are counted by each.

Where does Waseca County's drinking water come from?

By primary water source, Waseca County's active systems draw on groundwater (28, 100%). Overall, all rely mainly on groundwater (including purchased groundwater) and none on surface water, compared with 98% and 1.5% across Minnesota. Groundwater means the system draws its water from wells or springs fed by underground aquifers. The county's largest system, Waseca, draws primarily on groundwater.

What kinds of water systems operate in Waseca County?

Waseca County's active systems break down as 4 community systems (14%), 1 non-transient non-community systems (3.6%) and 23 transient non-community systems (82%). 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. A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. EPA lists their owner types as private (82%) and local government (18%).

Water systems in Waseca County

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Active public water systems in Waseca County, Minnesota
#Water systemCountyPopulation servedTypeSource
1WasecaWaseca9,241CommunityGroundwater
2JanesvilleWaseca2,275CommunityGroundwater
3New RichlandWaseca1,201CommunityGroundwater
4WaldorfWaseca216CommunityGroundwater
5Trinity Lutheran Church-WiltonWaseca150Transient non-communityGroundwater
6North Waseca Lutheran ChurchWaseca150Transient non-communityGroundwater
7St. Johns Evangelical Lutheran ChurchWaseca140Transient non-communityGroundwater
8Freedom Immanuel Lutheran ChurchWaseca110Transient non-communityGroundwater
9Vista Evangelical Covenant ChurchWaseca110Transient non-communityGroundwater
10Waseca Lakeside ClubWaseca100Transient non-communityGroundwater
11Kiesler'S CampgroundWaseca100Transient non-communityGroundwater
12Maplewood ParkWaseca100Transient non-communityGroundwater
13Lesueur River Lutheran ChurchWaseca90Transient non-communityGroundwater
14Sportsman'S Campground, LLCWaseca80Transient non-communityGroundwater
15Prairie Ridge Golf CourseWaseca60Transient non-communityGroundwater
16St. Olaf Lake ParkWaseca60Transient non-communityGroundwater
17Minnesota Agricultural Interpretive Ctr.Waseca55Transient non-communityGroundwater
18Riverview Golf CourseWaseca52Transient non-communityGroundwater
19Half Pint Brewing CompanyWaseca50Transient non-communityGroundwater
20Metta Meditation CenterWaseca50Transient non-communityGroundwater
21Vista Lutheran ChurchWaseca50Transient non-communityGroundwater
22GuardianWaseca50Non-transient non-communityGroundwater
23St. Peter Lutheran ChurchWaseca35Transient non-communityGroundwater
24Blooming Grove United Methodist ChurchWaseca35Transient non-communityGroundwater
25Waseca County Courthouse ParkWaseca30Transient non-communityGroundwater
26Pleasant Grove Pizza FarmWaseca25Transient non-communityGroundwater
27Cargill, Inc.. - Nutrena Feed DivisionWaseca25Transient non-communityGroundwater
28Crystal Valley Co-OpWaseca25Transient non-communityGroundwater

Waseca County water systems: frequently asked questions

How many public water systems are in Waseca County, Minnesota?

EPA's SDWIS records file 28 active public water systems under Waseca County, Minnesota: 4 community systems (14%), 1 non-transient non-community systems (3.6%) and 23 transient non-community systems (82%).

Who supplies drinking water in Waseca County, MN?

The largest community water systems filed under Waseca County are Waseca (9,241 people served), Janesville (2,275 people served) and New Richland (1,201 people served). Which system serves a particular address depends on its service area, which EPA's SDWIS records do not include; a water bill or the local utility can confirm it.

Does Waseca County's drinking water come from groundwater or surface water?

Of the 28 active public water systems in Waseca County, all draw mainly on groundwater and none on surface water, counting purchased supplies. The largest system, Waseca, uses groundwater.

Where can I find a water quality report for Waseca County?

Each community water system must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1, covering the previous calendar year. 4 community systems are filed under Waseca County, so the report to look for is the one from the system that supplies your address.

How can I check violations for a water system in Waseca County?

Open the system's profile from the list on this page. Each profile shows the most recent Safe Drinking Water Act violations in EPA's records, with plain-English labels and whether each one is resolved. For current compliance status, EPA ECHO is the primary source.

More Minnesota water systems

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, “Public water systems in Waseca County, Minnesota”, https://aquacensus.com/water-systems/minnesota/waseca (data as of October 1, 2026).