Marquette County, Wisconsin — public water systems
At a glance
157 active public water systems are filed under Marquette County, Wisconsin in EPA's SDWIS records, together reporting 18,458 people served. The largest is Wi Dot Rest Area 81 Southbound, which reports serving 1,400 people. 5 are community water systems serving people where they live; the other 152 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
157
Population served
18.5K
Community systems
5
Groundwater share
100%
How does Marquette County compare with other Wisconsin counties?
Marquette County has the 30th-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 18,458 people served in total, the 50th-largest county figure in the state and 0.4% of the statewide total. The average system here reports serving 118 people, well 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 Marquette County's drinking water come from?
By primary water source, Marquette County's active systems draw on groundwater (157, 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, Wi Dot Rest Area 81 Southbound, draws primarily on groundwater.
What kinds of water systems operate in Marquette County?
Marquette County's active systems break down as 5 community systems (3.2%), 12 non-transient non-community systems (7.6%) and 140 transient non-community systems (89%). 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 (90%), local government (8.3%) and state government (1.3%).
The 50 largest water systems in Marquette County
🔒 Create a free account to export CSV| # | Water system | County | Population served | Type | Source |
|---|---|---|---|---|---|
| 1 | Wi Dot Rest Area 81 Southbound | Marquette | 1,400 | Transient non-community | Groundwater |
| 2 | Wi Dot Rest Area 82 Northbound | Marquette | 1,350 | Transient non-community | Groundwater |
| 3 | Montello Waterworks | Marquette | 1,329 | Community | Groundwater |
| 4 | Mcdonalds Westfield | Marquette | 1,040 | Non-transient non-community | Groundwater |
| 5 | Kwik Trip #1722 | Marquette | 999 | Transient non-community | Groundwater |
| 6 | Brakebush Bros Inc. | Marquette | 898 | Non-transient non-community | Groundwater |
| 7 | Burger King Westfield | Marquette | 535 | Non-transient non-community | Groundwater |
| 8 | Pioneer Westfield High Sch | Marquette | 500 | Non-transient non-community | Groundwater |
| 9 | St James Cath Ch | Marquette | 401 | Transient non-community | Groundwater |
| 10 | St James Cath Ch Hall | Marquette | 401 | Transient non-community | Groundwater |
| 11 | Westfield Elementary Sch | Marquette | 350 | Non-transient non-community | Groundwater |
| 12 | Exxon-Mobil Westfield | Marquette | 305 | Transient non-community | Groundwater |
| 13 | St Marys Catholic Ch | Marquette | 300 | Transient non-community | Groundwater |
| 14 | Immanuel Lutheran Ch | Marquette | 275 | Transient non-community | Groundwater |
| 15 | Oxford Elementary | Marquette | 240 | Non-transient non-community | Groundwater |
| 16 | Zion Lutheran Ch | Marquette | 204 | Transient non-community | Groundwater |
| 17 | Crooked River Cmpgd Main | Marquette | 200 | Transient non-community | Groundwater |
| 18 | Good Shepherd Catholic Ch | Marquette | 200 | Transient non-community | Groundwater |
| 19 | Foxtail Gentlemans Club | Marquette | 165 | Transient non-community | Groundwater |
| 20 | Foxys | Marquette | 150 | Transient non-community | Groundwater |
| 21 | Kwik Trip #1721 | Marquette | 150 | Transient non-community | Groundwater |
| 22 | White Lk Beach Supper Club | Marquette | 150 | Transient non-community | Groundwater |
| 23 | Westfield Super Value | Marquette | 150 | Transient non-community | Groundwater |
| 24 | Oxford Bible Ch | Marquette | 130 | Transient non-community | Groundwater |
| 25 | Paradise Pines | Marquette | 115 | Transient non-community | Groundwater |
| 26 | Dammas Diner | Marquette | 115 | Non-transient non-community | Groundwater |
| 27 | Crossroads Family Care Center | Marquette | 115 | Transient non-community | Groundwater |
| 28 | Lake of the Woods Cmpgd Campsites Only | Marquette | 114 | Transient non-community | Groundwater |
| 29 | Pine Lake Camp Shower House | Marquette | 110 | Transient non-community | Groundwater |
| 30 | Pine Lake Camp Birch Cabins | Marquette | 110 | Transient non-community | Groundwater |
| 31 | Pine Lake Camp Amphlett Hall | Marquette | 110 | Transient non-community | Groundwater |
| 32 | Pine Lake Camp Rustic Hand Pump | Marquette | 110 | Transient non-community | Groundwater |
| 33 | Pine Lake Camp Wildwood | Marquette | 110 | Transient non-community | Groundwater |
| 34 | Mecan River Outfitters & Lodge | Marquette | 105 | Transient non-community | Groundwater |
| 35 | Trinity United Methodist Ch | Marquette | 100 | Transient non-community | Groundwater |
| 36 | Thal Acres Links & Lanes | Marquette | 100 | Transient non-community | Groundwater |
| 37 | Wilderness Cmpgd Ee Area | Marquette | 100 | Transient non-community | Groundwater |
| 38 | Endeavor Elementary | Marquette | 100 | Non-transient non-community | Groundwater |
| 39 | Lake Arrowhead Cmpgd E | Marquette | 100 | Transient non-community | Groundwater |
| 40 | Camp Wakonda Kitchen Shower Bldg | Marquette | 100 | Transient non-community | Groundwater |
| 41 | Faith United Methodist Ch | Marquette | 100 | Transient non-community | Groundwater |
| 42 | St Johns Ev Lutheran Ch | Marquette | 100 | Transient non-community | Groundwater |
| 43 | Sky Lodge Cc Cottonwood | Marquette | 100 | Transient non-community | Groundwater |
| 44 | Sky Lodge Cc Camper Pk | Marquette | 100 | Transient non-community | Groundwater |
| 45 | Sky Lodge Cc Old Cabins | Marquette | 100 | Transient non-community | Groundwater |
| 46 | Sky Lodge Cc Main Complex | Marquette | 100 | Transient non-community | Groundwater |
| 47 | Sky Lodge Cc Staff Cabins | Marquette | 100 | Transient non-community | Groundwater |
| 48 | Duck Inn MHP 1 | Marquette | 95 | Transient non-community | Groundwater |
| 49 | American Legion Post 351 | Marquette | 85 | Transient non-community | Groundwater |
| 50 | School House Tavern | Marquette | 81 | Transient non-community | Groundwater |
All other water systems in Marquette County (107)
The remaining active systems filed under Marquette County, largest first, with the population each reports serving.
- Rivers Bend Resort Tavern80
- Rivers Bend Cmpgd80
- First Presbyterian Ch75
- Oxford Food & Fuel Pantry75
- Fox Marquette Mobile Home Park72
- Sunset Supper Club70
- First Presbyterian Ch Oxford70
- Subway Sandwiches Pioneer Mall65
- Lake of the Woods Cmpgd Main Complex64
- Lake of the Woods Cmpgd Pool Bldg64
- Oxford Village Park60
- United Methodist of Briggsville60
- Zion Un Methodist Ch60
- Mike & Cathys Good Old Days60
- Neshkoro Bp53
- Frosty Chicken53
- Murfs51
- Crooked River Cmpgd Overnight50
- Lily Meadows Assisted Living50
- Neshkoro Stan O Gene Park50
- Rustic Saloon50
- Happy Tap50
- Oasis the50
- Westfield Vil of Chuck Wagon Fountain50
- Pioneer Motor Inn50
- Mason Station50
- Seventh Day Adventist Ch50
- Camp Fairwood Farmhouse & Craft Bldg50
- Westfield Vil of Quinn Pk50
- Smart Start Daycare Inc.45
- Andys Meats Inc.43
- Wingers Starlight42
- End Zone Bar40
- Umos Camp 047 Montello Cntr40
- Chateau Tavern40
- Sportsmens Tavern Inc.40
- Meadowbrook Mobile Home Park39
- Lake of the Woods Back Bath House39
- Apollo Tool Inc.37
- Drews Lakeside Bar35
- Longbranch Saloon35
- Endeavor Vil of Donner Civic Center35
- White Lk Country Club35
- Crystals Wood Lake Supper Club35
- Jims Halfway Bar35
- Packwaukee Town Hall35
- Good Old Days Resort Garage33
- Tween the Lakes Motel32
- Pioneer Restaurant32
- Crossroads Motel32
- Sparks Grill31
- Oxford Vfw Post 600330
- Power Packer30
- Lakeside Cmpgd30
- Neshkoro Public Library30
- Generations30
- Oxford Village Hall30
- Buffalo Lake Cmpgd Shower House27
- Log Cabin Resort27
- Kilby Lake Cmpgd Center Shower27
- Kilby Lake Cmpgd Pool Side27
- Lake Mason Lodge LLC26
- Oxford Travel Plaza Citgo25
- Westfield Village Hall & Library25
- Gohl Post25
- Westfield Vil of Chuck Wagon Kitchen25
- Travel Plaza Minimart25
- Cuzos Thirsty Beaver25
- Camp Fairwood Lakeview Cabins 225
- Family Dollar Westfield 700125
- Camp Fairwood Pumphouse25
- Frannie Mays Cafe25
- Bella Goose Coffee Shop25
- Browns Resort Lake Well25
- Harvest Market25
- Lake Arrowhead Cmpgd W25
- Westfield Vil of Veterans Pk25
- Westfield Vil of Splash Pad25
- Westfield Sch Multi Purpose Bldg25
- Endeavor Vil Lions Park Concession Stand25
- Wilderness Cmpgd Near Ofc25
- Buffalo Lake Cmpgd Block Bathroom25
- Immanuel Lutheran Ch Aux Bldg25
- Camp Fairwood Lakeview Cabin25
- Dollar General-Oxford25
- Duck Inn MHP 225
- Browns Resort Owners House25
- Camp Wakonda Cedar Lodge25
- Smokin Oak Barbecue25
- Tall Pines Tavern25
- Arbys25
- Oak Grove Cmpgd25
- Lake Arrowhead Cmpgd S25
- Weaver Auto Parts Westfield25
- Marquette Co Parks Muir Well25
- Nrcs/Fsa/Lcd Service Center25
- Lakeview Cmpgd & Bar25
- Oxford Pub and Grill25
- Good Old Days Resort Pool25
- Tiffanys Buds and Beans25
- Riesterer & Schnell Westfield25
- White Lk Beach Inc. Chalet Bldg25
- Pine Lake Camp Wesley Bldg25
- Pine Lake Camp Retreat Center25
- Dollar General Neshkoro 1885825
- Wilderness Cmpgd Employee Housing25
- Wilderness Cmpgd Pool Well25
Marquette County water systems: frequently asked questions
How many public water systems are in Marquette County, Wisconsin?
EPA's SDWIS records file 157 active public water systems under Marquette County, Wisconsin: 5 community systems (3.2%), 12 non-transient non-community systems (7.6%) and 140 transient non-community systems (89%).
Who supplies drinking water in Marquette County, WI?
The largest community water systems filed under Marquette County are Montello Waterworks (1,329 people served), Fox Marquette Mobile Home Park (72 people served) and Lily Meadows Assisted Living (50 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 Marquette County's drinking water come from groundwater or surface water?
Of the 157 active public water systems in Marquette County, all draw mainly on groundwater and none on surface water, counting purchased supplies. The largest system, Wi Dot Rest Area 81 Southbound, uses groundwater.
Where can I find a water quality report for Marquette 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. 5 community systems are filed under Marquette 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 Marquette 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
- Douglas County· 188 systems
- Polk County· 187 systems
- Dodge County· 180 systems
- St. Croix County· 165 systems
- Rock County· 156 systems
- Brown County· 148 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 Marquette County, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/marquette (data as of October 1, 2026).