Dodge County, Wisconsin — public water systems
At a glance
180 active public water systems are filed under Dodge County, Wisconsin in EPA's SDWIS records, together reporting 73,453 people served. The largest is Beaver Dam Water Utility, which reports serving 16,200 people. 24 are community water systems serving people where they live; the other 156 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
180
Population served
73.5K
Community systems
24
Groundwater share
100%
How does Dodge County compare with other Wisconsin counties?
Dodge County has the 28th-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 73,453 people served in total, the 19th-largest county figure in the state and 1.4% of the statewide total. The average system here reports serving 408 people, about 13% below 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 Dodge County's drinking water come from?
By primary water source, Dodge County's active systems draw on groundwater (180, 100%). Overall, all rely mainly on groundwater (including purchased groundwater) and none 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, Beaver Dam Water Utility, draws primarily on groundwater.
What kinds of water systems operate in Dodge County?
Dodge County's active systems break down as 24 community systems (13%), 26 non-transient non-community systems (14%) and 130 transient non-community systems (72%). 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 (21%), state government (3.9%) and federal government (0.6%).
The 50 largest water systems in Dodge County
🔒 Create a free account to export CSV| # | Water system | County | Population served | Type | Source |
|---|---|---|---|---|---|
| 1 | Beaver Dam Water Utility | Dodge | 16,200 | Community | Groundwater |
| 2 | Waupun Utilities | Dodge | 8,056 | Community | Groundwater |
| 3 | Mayville Waterworks | Dodge | 5,112 | Community | Groundwater |
| 4 | Waupun Correctional Inst | Dodge | 3,706 | Community | Groundwater |
| 5 | Horicon Waterworks | Dodge | 3,682 | Community | Groundwater |
| 6 | Lomira Waterworks | Dodge | 2,701 | Community | Groundwater |
| 7 | Juneau Waterworks | Dodge | 2,627 | Community | Groundwater |
| 8 | Fox Lake Correctional Institution | Dodge | 1,850 | Community | Groundwater |
| 9 | Fox Lake Waterworks | Dodge | 1,610 | Community | Groundwater |
| 10 | Wi Dot Rest Area 64 Lomira North Bound | Dodge | 1,601 | Transient non-community | Groundwater |
| 11 | Wi Dot Rest Area 63 Lomira South Bound | Dodge | 1,601 | Transient non-community | Groundwater |
| 12 | Quad Graphics | Dodge | 1,550 | Non-transient non-community | Groundwater |
| 13 | Theresa Waterworks | Dodge | 1,262 | Community | Groundwater |
| 14 | Hustisford Waterworks | Dodge | 1,063 | Community | Groundwater |
| 15 | Iron Ridge Waterworks | Dodge | 937 | Community | Groundwater |
| 16 | United Cooperative Store & Offices | Dodge | 723 | Transient non-community | Groundwater |
| 17 | Reeseville Waterworks | Dodge | 718 | Community | Groundwater |
| 18 | Station Hwy 33 | Dodge | 708 | Transient non-community | Groundwater |
| 19 | Station 67 | Dodge | 707 | Transient non-community | Groundwater |
| 20 | Brownsville Waterworks | Dodge | 630 | Community | Groundwater |
| 21 | Neosho Station | Dodge | 596 | Transient non-community | Groundwater |
| 22 | Beaver Dam North Water Distribution System | Dodge | 550 | Non-transient non-community | Groundwater |
| 23 | Clyman Waterworks | Dodge | 422 | Community | Groundwater |
| 24 | North Hills MHP | Dodge | 420 | Community | Groundwater |
| 25 | Lowell Waterworks | Dodge | 337 | Community | Groundwater |
| 26 | Leroy Sanitary District 1 | Dodge | 320 | Community | Groundwater |
| 27 | Immanuel Lutheran Church & Sch | Dodge | 310 | Non-transient non-community | Groundwater |
| 28 | Pribnows Maple Inn | Dodge | 304 | Transient non-community | Groundwater |
| 29 | Honor Elementary | Dodge | 280 | Non-transient non-community | Groundwater |
| 30 | The Fields of Clover Hill Golf Course | Dodge | 270 | Transient non-community | Groundwater |
| 31 | Immanuel Lutheran Church | Dodge | 256 | Transient non-community | Groundwater |
| 32 | St Johns Catholic Church & Parsonage | Dodge | 252 | Transient non-community | Groundwater |
| 33 | Harvest Evangelical Free Church | Dodge | 234 | Transient non-community | Groundwater |
| 34 | Grande Cheese Co Brownsville | Dodge | 230 | Non-transient non-community | Groundwater |
| 35 | Mountain Top Christian Academy | Dodge | 207 | Non-transient non-community | Groundwater |
| 36 | Field House Bar and Grill the | Dodge | 205 | Transient non-community | Groundwater |
| 37 | Crystal Lake Park - Beach Area | Dodge | 204 | Transient non-community | Groundwater |
| 38 | Cantafio'S Buckhorn Steak House | Dodge | 203 | Transient non-community | Groundwater |
| 39 | Bayside Supper Club | Dodge | 202 | Transient non-community | Groundwater |
| 40 | Lebanon Lutheran School - St Peters Bldg | Dodge | 200 | Non-transient non-community | Groundwater |
| 41 | Wisconsin Auto Auction | Dodge | 190 | Transient non-community | Groundwater |
| 42 | Hnr Intermediate School | Dodge | 185 | Non-transient non-community | Groundwater |
| 43 | Old Hickory Country Club Club House | Dodge | 175 | Transient non-community | Groundwater |
| 44 | Shores of Fox Lake | Dodge | 172 | Transient non-community | Groundwater |
| 45 | Boat House Pub & Eatery | Dodge | 172 | Transient non-community | Groundwater |
| 46 | Feils Supper Club | Dodge | 170 | Transient non-community | Groundwater |
| 47 | Fox Lake Golf Club | Dodge | 170 | Transient non-community | Groundwater |
| 48 | Hidden Meadows | Dodge | 166 | Community | Groundwater |
| 49 | Equity Cooperative Livestock Sales Assoc | Dodge | 160 | Transient non-community | Groundwater |
| 50 | Wi Dot Drivers Licensing & Testing | Dodge | 156 | Transient non-community | Groundwater |
All other water systems in Dodge County (130)
The remaining active systems filed under Dodge County, largest first, with the population each reports serving.
- Cabbys Grill & Patio155
- Pumpkin Center Tap152
- Wild Goose Station152
- Horicon Rod & Gun Club150
- Sunnyside Estates135
- Schaumburg Supper Club134
- Faith Bible Alliance Church132
- Marsh Inn127
- Maple Grove MHP125
- Beaver Dam Country Club120
- Leders Pub N Grub117
- Crave Brothers Farm LLC - Main System115
- Hillcrest Pub and Grill112
- Green Valley Enterprises110
- Watertown Country Club108
- Lebanon Elementary School105
- Snapper Vicks104
- Sensient Flavors LLC104
- Willows Christian Child Care Center103
- St Olafs Lutheran Church103
- Dodge Co Astico Park North Artesian Well102
- Dodge Co Astico Park Shelters Well102
- Dodge Co Astico Park Shower Building Water Station102
- Dodge Co Astico Park South Artesian Well102
- Chances Bar & Grill102
- Get Fit Health Club102
- St Columbkille Catholic Church100
- Crystal Lake Park Hand Pump100
- Wi Dnr Horicon Service Center100
- Seneca Foods Corp 259100
- Knowles Fd & St Lukes Church99
- Claremont Center90
- Gfl Horicon Hauling86
- Trinity Lutheran Church85
- Lkq Smart Parts85
- Sinissippi Lake Pub84
- Dodge Co Harnischfeger Park Clubhouse/Cmpgrd84
- Old Rock the82
- St Johns Evangelical Lutheran Church81
- Rubicon Oasis81
- Beaver Dam Bp78
- United Liquid Waste Recycling - North Plant78
- Dodge Co Harnischfeger Park Shower Building77
- Lebanon Firemens Park76
- Ashippun Sportsmens Club75
- Kingdom Hall of Jehovahs Witnesses75
- Waupun Equipment Co Inc.75
- Horicon Marsh Sportsmens Club, Inc. of Mayville70
- Zion Lutheran Church70
- Dodge Co Derge Park Hand Pump68
- U S F W S Horicon Hdqrts Bldg68
- Dodge Co Derge Park Shelter Well68
- Harmony Baptist Church66
- St Matthews Catholic Church65
- Milwaukee Stockyards, Dodge Co65
- Itw Shakeproof Group - South System65
- Boehnens on the Rocks65
- Itw Shakeproof Group - North System65
- Hayes Haus Resort64
- Spuncast Inc. - Well 161
- Umos Beaver Dam Migrant Head Start Center61
- St Pauls Evang Lutheran Church61
- St Pauls Evangelical Lutheran Church61
- Stolls Olde 10960
- Grande Cheese Co Rubicon60
- Columbus Chemical Industries Inc.60
- Ballweg Implement60
- Dodge County Humane Society56
- Hoekstras Market & Greenhouse55
- St Pauls of Sugar Island55
- Deertrak Golf Club54
- Farmers Daughter Pub and Grill54
- Trackside53
- Waupun State Farm53
- Dodge Co Horicon Ledge Park Shower Building52
- Dodge Co Horicon Ledge Park Lower Picnic Area Pump52
- Caseys on Q Saloon52
- Dodge Co Horicon Ledge Park Camp Area52
- Assembly of Pentecostal Ch of Jesus Christ-Agua De Vida51
- Trinity Community Center51
- St Johns Lutheran Church51
- Breezy Point MHP 251
- Wi Doc Kolb Training Complex & Weapons Range51
- Bell the51
- Murdocks51
- Zion Lutheran Church50
- Mayville City Ziegler Park50
- Waterloo Gun Club50
- Gfl Wisconsin Materials Recovery Facility50
- County Line Lutheran Church50
- Honey Acres44
- Hill43
- B and B Buergers and Beer42
- Zion Evangelical Lutheran Church42
- St Michaels Lutheran Church41
- St Peters Evang Lutheran Church41
- St Marks Lutheran Church40
- St Johns Ev Lutheran Church40
- Mayville Limestone Inc.40
- Marshview Terrace40
- Sams Well Drilling40
- Dodge Co Airport38
- Waas Boring & Cable Inc.38
- Caddy Shack37
- Trinity Lutheran Church36
- Lebanon Fire Department36
- St Peters Evangelical Lutheran Church35
- Old Hickory Country Club 15 Tee34
- The Landing Pub & Grill33
- Jimz Farmstand32
- Pepsi Beverage Co, Beaver Dam32
- Heines Tavern32
- Jamaican Oasis32
- Lebanon Sport Haus31
- Leipsic Tavern31
- Elba Veterans Memorial Park30
- St Johns Catholic Chrch Weiss Hall & Annex30
- Breezy Point MHP 130
- Beaver Dam Edgewater Park, City of30
- Spuncast Inc. - Well 230
- Red Moon Restaurant and Bar29
- Fox Lake Condominiums29
- Royal Oaks Motel28
- John Deere Swan Road Test Facility27
- Pit Stop Bar and Grill27
- Steves Bar26
- Burnett Hall26
- Dodge Co Fairgrounds Grandstand System25
- Dodge Co Fairgrounds Bathrooms25
- Horicon Marsh Archers25
Dodge County water systems: frequently asked questions
How many public water systems are in Dodge County, Wisconsin?
EPA's SDWIS records file 180 active public water systems under Dodge County, Wisconsin: 24 community systems (13%), 26 non-transient non-community systems (14%) and 130 transient non-community systems (72%).
Who supplies drinking water in Dodge County, WI?
The largest community water systems filed under Dodge County are Beaver Dam Water Utility (16,200 people served), Waupun Utilities (8,056 people served) and Mayville Waterworks (5,112 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 Dodge County's drinking water come from groundwater or surface water?
Of the 180 active public water systems in Dodge County, all draw mainly on groundwater and none on surface water, counting purchased supplies. The largest system, Beaver Dam Water Utility, uses groundwater.
Where can I find a water quality report for Dodge 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. 24 community systems are filed under Dodge 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 Dodge 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
- Sawyer County· 191 systems
- Marinette County· 191 systems
- Douglas County· 188 systems
- Polk County· 187 systems
- St. Croix County· 165 systems
- Marquette County· 157 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 Dodge County, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/dodge (data as of October 1, 2026).