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
🔒 Create a free account to export CSV| # | Water system | County | Population served | Type | Source |
|---|---|---|---|---|---|
| 1 | Harrison Utilities - Fka Waverly Sd | Calumet | 5,500 | Community | Purchased surface water |
| 2 | Chilton Waterworks | Calumet | 4,191 | Community | Groundwater |
| 3 | Brillion Waterworks | Calumet | 3,262 | Community | Groundwater |
| 4 | Sherwood Waterworks | Calumet | 3,114 | Community | Purchased surface water |
| 5 | New Holstein Waterworks | Calumet | 3,012 | Community | Groundwater |
| 6 | Hilbert Waterworks | Calumet | 1,176 | Community | Groundwater |
| 7 | Stockbridge Waterworks | Calumet | 650 | Community | Groundwater |
| 8 | Calumet Co Park Showers | Calumet | 500 | Transient non-community | Groundwater |
| 9 | Forest Junction Pub Util | Calumet | 487 | Community | Groundwater |
| 10 | Round Lake Farms | Calumet | 305 | Transient non-community | Groundwater |
| 11 | Ornua Ingredients North America | Calumet | 250 | Non-transient non-community | Groundwater |
| 12 | Peace E & R Church | Calumet | 150 | Transient non-community | Groundwater |
| 13 | St Ann Catholic Parish | Calumet | 140 | Transient non-community | Groundwater |
| 14 | Lakeview Estates MHP | Calumet | 112 | Community | Groundwater |
| 15 | Schwarz Supper Club | Calumet | 110 | Transient non-community | Groundwater |
| 16 | Country Aire Mobile Home Court LLC | Calumet | 98 | Community | Groundwater |
| 17 | Harrison Vil of Athletic Field | Calumet | 95 | Transient non-community | Groundwater |
| 18 | Bremer Manufacturing | Calumet | 85 | Non-transient non-community | Groundwater |
| 19 | Trinity Lutheran Sch & Ch | Calumet | 84 | Non-transient non-community | Groundwater |
| 20 | Buechel Stone Cmf | Calumet | 57 | Non-transient non-community | Groundwater |
| 21 | Neighborhood Pub & Grill | Calumet | 50 | Transient non-community | Groundwater |
| 22 | Ts Diner | Calumet | 50 | Transient non-community | Groundwater |
| 23 | Hickory Hills Country Club | Calumet | 50 | Transient non-community | Groundwater |
| 24 | Shiloh Dairy LLC | Calumet | 42 | Non-transient non-community | Groundwater |
| 25 | Holsum Elm Dairy | Calumet | 35 | Non-transient non-community | Groundwater |
| 26 | Holsum Irish Dairy | Calumet | 35 | Non-transient non-community | Groundwater |
| 27 | Dvo Inc. | Calumet | 33 | Non-transient non-community | Groundwater |
| 28 | Walsdorf Roofing Co | Calumet | 30 | Non-transient non-community | Groundwater |
| 29 | Roepke Village Inn Restaurant | Calumet | 25 | Transient non-community | Groundwater |
| 30 | Mulberry Lane Farm | Calumet | 25 | Transient non-community | Groundwater |
| 31 | Calumet Co Park Maintenance | Calumet | 25 | Transient non-community | Groundwater |
| 32 | Ledgeview Nature Ctr | Calumet | 25 | Transient non-community | Groundwater |
| 33 | Quinney Quencher Bar | Calumet | 25 | Transient non-community | Groundwater |
| 34 | St Lukes Lutheran Ch | Calumet | 25 | Transient non-community | Groundwater |
| 35 | St John the Baptist | Calumet | 25 | Transient non-community | Groundwater |
| 36 | Countryside Bar & Grill | Calumet | 25 | Transient non-community | Groundwater |
| 37 | Deer Run Golf Course | Calumet | 25 | Transient non-community | Groundwater |
| 38 | Tara & Rockys Nut-Haus | Calumet | 25 | Transient non-community | Groundwater |
| 39 | Dorns Bar | Calumet | 25 | Transient non-community | Groundwater |
| 40 | Gene & Helens Bar | Calumet | 25 | Transient non-community | Groundwater |
| 41 | Dillys Seven Corner Bar & Grill | Calumet | 25 | Transient non-community | Groundwater |
| 42 | Bobbers Up 2 | Calumet | 25 | Transient non-community | Groundwater |
| 43 | Ox Bow Sportsmen Club | Calumet | 25 | Transient non-community | Groundwater |
| 44 | Gloria Dei Lutheran Ch | Calumet | 25 | Transient non-community | Groundwater |
| 45 | Fish Tail Inn Bar | Calumet | 25 | Transient non-community | Groundwater |
| 46 | Brillion Nature Ctr | Calumet | 25 | Transient non-community | Groundwater |
| 47 | Bobbers Bar | Calumet | 25 | Transient non-community | Groundwater |
| 48 | Two of A Kind Bar & Grill | Calumet | 25 | Transient non-community | Groundwater |
| 49 | Fishermans Inn Bar | Calumet | 25 | Transient non-community | Groundwater |
| 50 | Lake View Rv Park and Cabins | Calumet | 25 | Transient non-community | Groundwater |
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
- All Wisconsin public water systems· 11,056 active
- Forest County· 58 systems
- Iron County· 57 systems
- Green County· 52 systems
- Crawford County· 51 systems
- Florence County· 45 systems
- Lafayette County· 39 systems
- How to find out who supplies your drinking water
- How to find and read your annual water quality report
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).