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Calumet County, Wisconsin — public water systems

At a glance

50 active public water systems are filed under Calumet County, Wisconsin in EPA's SDWIS records, together reporting 24,253 people served. The largest is Harrison Utilities - Fka Waverly Sd, which reports serving 5,500 people. 10 are community water systems serving people where they live; the other 40 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

50

Population served

24.3K

Community systems

10

Groundwater share

96%

How does Calumet County compare with other Wisconsin counties?

Calumet County has the 67th-most active public water systems among the 90 counties listed for active Wisconsin systems in EPA records; among the 74 with 3 or more systems, the median has 140. Its systems report 24,253 people served in total, the 42nd-largest county figure in the state and 0.5% of the statewide total. The average system here reports serving 485 people, roughly in line with the Wisconsin average of 469. 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 Calumet County's drinking water come from?

By primary water source, Calumet County's active systems draw on groundwater (48, 96%) and purchased surface water (2, 4%). Overall, 96% rely mainly on groundwater (including purchased groundwater) and 4% on surface water, compared with 99% and 0.6% across Wisconsin. Groundwater means the system draws its water from wells or springs fed by underground aquifers. The county's largest system, Harrison Utilities - Fka Waverly Sd, draws primarily on purchased surface water.

What kinds of water systems operate in Calumet County?

Calumet County's active systems break down as 10 community systems (20%), 9 non-transient non-community systems (18%) and 31 transient non-community systems (62%). 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 (74%), local government (24%) and state government (2%).

Water systems in Calumet County

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Active public water systems in Calumet County, Wisconsin
#Water systemCountyPopulation servedTypeSource
1Harrison Utilities - Fka Waverly SdCalumet5,500CommunityPurchased surface water
2Chilton WaterworksCalumet4,191CommunityGroundwater
3Brillion WaterworksCalumet3,262CommunityGroundwater
4Sherwood WaterworksCalumet3,114CommunityPurchased surface water
5New Holstein WaterworksCalumet3,012CommunityGroundwater
6Hilbert WaterworksCalumet1,176CommunityGroundwater
7Stockbridge WaterworksCalumet650CommunityGroundwater
8Calumet Co Park ShowersCalumet500Transient non-communityGroundwater
9Forest Junction Pub UtilCalumet487CommunityGroundwater
10Round Lake FarmsCalumet305Transient non-communityGroundwater
11Ornua Ingredients North AmericaCalumet250Non-transient non-communityGroundwater
12Peace E & R ChurchCalumet150Transient non-communityGroundwater
13St Ann Catholic ParishCalumet140Transient non-communityGroundwater
14Lakeview Estates MHPCalumet112CommunityGroundwater
15Schwarz Supper ClubCalumet110Transient non-communityGroundwater
16Country Aire Mobile Home Court LLCCalumet98CommunityGroundwater
17Harrison Vil of Athletic FieldCalumet95Transient non-communityGroundwater
18Bremer ManufacturingCalumet85Non-transient non-communityGroundwater
19Trinity Lutheran Sch & ChCalumet84Non-transient non-communityGroundwater
20Buechel Stone CmfCalumet57Non-transient non-communityGroundwater
21Neighborhood Pub & GrillCalumet50Transient non-communityGroundwater
22Ts DinerCalumet50Transient non-communityGroundwater
23Hickory Hills Country ClubCalumet50Transient non-communityGroundwater
24Shiloh Dairy LLCCalumet42Non-transient non-communityGroundwater
25Holsum Elm DairyCalumet35Non-transient non-communityGroundwater
26Holsum Irish DairyCalumet35Non-transient non-communityGroundwater
27Dvo Inc.Calumet33Non-transient non-communityGroundwater
28Walsdorf Roofing CoCalumet30Non-transient non-communityGroundwater
29Roepke Village Inn RestaurantCalumet25Transient non-communityGroundwater
30Mulberry Lane FarmCalumet25Transient non-communityGroundwater
31Calumet Co Park MaintenanceCalumet25Transient non-communityGroundwater
32Ledgeview Nature CtrCalumet25Transient non-communityGroundwater
33Quinney Quencher BarCalumet25Transient non-communityGroundwater
34St Lukes Lutheran ChCalumet25Transient non-communityGroundwater
35St John the BaptistCalumet25Transient non-communityGroundwater
36Countryside Bar & GrillCalumet25Transient non-communityGroundwater
37Deer Run Golf CourseCalumet25Transient non-communityGroundwater
38Tara & Rockys Nut-HausCalumet25Transient non-communityGroundwater
39Dorns BarCalumet25Transient non-communityGroundwater
40Gene & Helens BarCalumet25Transient non-communityGroundwater
41Dillys Seven Corner Bar & GrillCalumet25Transient non-communityGroundwater
42Bobbers Up 2Calumet25Transient non-communityGroundwater
43Ox Bow Sportsmen ClubCalumet25Transient non-communityGroundwater
44Gloria Dei Lutheran ChCalumet25Transient non-communityGroundwater
45Fish Tail Inn BarCalumet25Transient non-communityGroundwater
46Brillion Nature CtrCalumet25Transient non-communityGroundwater
47Bobbers BarCalumet25Transient non-communityGroundwater
48Two of A Kind Bar & GrillCalumet25Transient non-communityGroundwater
49Fishermans Inn BarCalumet25Transient non-communityGroundwater
50Lake View Rv Park and CabinsCalumet25Transient non-communityGroundwater

Calumet County water systems: frequently asked questions

How many public water systems are in Calumet County, Wisconsin?

EPA's SDWIS records file 50 active public water systems under Calumet County, Wisconsin: 10 community systems (20%), 9 non-transient non-community systems (18%) and 31 transient non-community systems (62%).

Who supplies drinking water in Calumet County, WI?

The largest community water systems filed under Calumet County are Harrison Utilities - Fka Waverly Sd (5,500 people served), Chilton Waterworks (4,191 people served) and Brillion Waterworks (3,262 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 Calumet County's drinking water come from groundwater or surface water?

Of the 50 active public water systems in Calumet County, 96% draw mainly on groundwater and 4% on surface water, counting purchased supplies. The largest system, Harrison Utilities - Fka Waverly Sd, uses purchased surface water.

Where can I find a water quality report for Calumet 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. 10 community systems are filed under Calumet 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 Calumet 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 Wisconsin 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 Calumet County, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/calumet (data as of October 1, 2026).