La Crosse County, Wisconsin — public water systems
At a glance
122 active public water systems are filed under La Crosse County, Wisconsin in EPA's SDWIS records, together reporting 98,888 people served. The largest is La Crosse Waterworks, which reports serving 53,000 people. 21 are community water systems serving people where they live; the other 101 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
122
Population served
98.9K
Community systems
21
Groundwater share
100%
How does La Crosse County compare with other Wisconsin counties?
La Crosse County has the 40th-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 98,888 people served in total, the 13th-largest county figure in the state and 1.9% of the statewide total. The average system here reports serving 811 people, about 73% above 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 La Crosse County's drinking water come from?
By primary water source, La Crosse County's active systems draw on groundwater (122, 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, La Crosse Waterworks, draws primarily on groundwater.
What kinds of water systems operate in La Crosse County?
La Crosse County's active systems break down as 21 community systems (17%), 12 non-transient non-community systems (9.8%) and 89 transient non-community systems (73%). 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 (69%), local government (28%), state government (1.6%) and federal government (1.6%).
The 50 largest water systems in La Crosse County
🔒 Create a free account to export CSV| # | Water system | County | Population served | Type | Source |
|---|---|---|---|---|---|
| 1 | La Crosse Waterworks | La Crosse | 53,000 | Community | Groundwater |
| 2 | Onalaska Waterworks | La Crosse | 18,000 | Community | Groundwater |
| 3 | Holmen Waterworks | La Crosse | 10,147 | Community | Groundwater |
| 4 | West Salem Waterworks | La Crosse | 5,045 | Community | Groundwater |
| 5 | Bangor Waterworks | La Crosse | 1,520 | Community | Groundwater |
| 6 | Shelby Tn of Wedgewood Vly | La Crosse | 1,020 | Community | Groundwater |
| 7 | Celebrations on the River | La Crosse | 815 | Non-transient non-community | Groundwater |
| 8 | Wi Dot Rest Area 31 & Info Center Lacrosse | La Crosse | 650 | Transient non-community | Groundwater |
| 9 | Rockland Waterworks | La Crosse | 642 | Community | Groundwater |
| 10 | St Joseph San Dist 1 | La Crosse | 503 | Community | Groundwater |
| 11 | La Crosse Estates LLC | La Crosse | 351 | Community | Groundwater |
| 12 | Summit Elementary School | La Crosse | 302 | Non-transient non-community | Groundwater |
| 13 | Brookview MHP | La Crosse | 300 | Community | Groundwater |
| 14 | Town of Farmington Sanitary District | La Crosse | 275 | Community | Groundwater |
| 15 | Sky Harbour Center | La Crosse | 275 | Transient non-community | Groundwater |
| 16 | Bostwick Valley MHP | La Crosse | 240 | Community | Groundwater |
| 17 | Shelby Tn of Sd 2 Arbor Hl | La Crosse | 231 | Community | Groundwater |
| 18 | Norwood Inn | La Crosse | 200 | Non-transient non-community | Groundwater |
| 19 | Empire Screen Printing Clean Room | La Crosse | 200 | Non-transient non-community | Groundwater |
| 20 | Maple Grove Venues | La Crosse | 200 | Transient non-community | Groundwater |
| 21 | Metallics Incorporated | La Crosse | 190 | Non-transient non-community | Groundwater |
| 22 | Jehovahs Witnesses La Crosse | La Crosse | 170 | Transient non-community | Groundwater |
| 23 | Shelby Tn of Sd 2 Skyline | La Crosse | 156 | Community | Groundwater |
| 24 | Barre Country Diner | La Crosse | 151 | Transient non-community | Groundwater |
| 25 | Potato King | La Crosse | 150 | Non-transient non-community | Groundwater |
| 26 | Bluffview Commons | La Crosse | 140 | Community | Groundwater |
| 27 | Camp Decorah 1 - Hagerman Hall | La Crosse | 120 | Transient non-community | Groundwater |
| 28 | Green Oaks Mobile Home Court | La Crosse | 117 | Community | Groundwater |
| 29 | Lax Co Goose Is Pk Park Office | La Crosse | 100 | Transient non-community | Groundwater |
| 30 | Camp Ehawee Hope Dining Hall | La Crosse | 100 | Transient non-community | Groundwater |
| 31 | All Star Lanes | La Crosse | 100 | Transient non-community | Groundwater |
| 32 | Camp Ehawee Pool | La Crosse | 100 | Transient non-community | Groundwater |
| 33 | Pettibone Park Artesian Well | La Crosse | 100 | Transient non-community | Groundwater |
| 34 | Bluebird Springs Cmpgd | La Crosse | 100 | Transient non-community | Groundwater |
| 35 | Whispering Pines Campground | La Crosse | 100 | Transient non-community | Groundwater |
| 36 | Lax Co Veterans Mem Pk Cmpgrnd Artesian | La Crosse | 100 | Transient non-community | Groundwater |
| 37 | Lax Co Goose Is Pk Shelter 1 | La Crosse | 100 | Transient non-community | Groundwater |
| 38 | Innsbruck Water Trust | La Crosse | 85 | Community | Groundwater |
| 39 | Golden Valley Mobile Home Park | La Crosse | 80 | Community | Groundwater |
| 40 | Empire Screen Printing Office | La Crosse | 70 | Non-transient non-community | Groundwater |
| 41 | Upper Midwest Environmental Sciences Ctr | La Crosse | 70 | Non-transient non-community | Groundwater |
| 42 | Neshonoc Lakeside Cmpgd Office/Store | La Crosse | 60 | Transient non-community | Groundwater |
| 43 | St Peters Catholic Church | La Crosse | 60 | Transient non-community | Groundwater |
| 44 | Neshonoc Lakeside Cmpgd Upper | La Crosse | 60 | Transient non-community | Groundwater |
| 45 | Neshonoc Lakeside Cmpgd Lower | La Crosse | 60 | Transient non-community | Groundwater |
| 46 | Stella-Jones - Office | La Crosse | 60 | Non-transient non-community | Groundwater |
| 47 | Red Pines Resort | La Crosse | 50 | Transient non-community | Groundwater |
| 48 | Midway Deli | La Crosse | 50 | Transient non-community | Groundwater |
| 49 | Lax Co Swarthout Lakeside Pk Shelter Well | La Crosse | 50 | Transient non-community | Groundwater |
| 50 | Island Estates | La Crosse | 50 | Community | Groundwater |
All other water systems in La Crosse County (72)
The remaining active systems filed under La Crosse County, largest first, with the population each reports serving.
- Coulee Life Church50
- Hill Billys Bar & Grill50
- Kriete Truck Center - La Crosse44
- Slettedahl Properties42
- Camp Ehawee Bertha Shuman Lodge40
- Camp Ehawee Marinuka Tent Unit40
- Battlestone Station Condos40
- Stella-Jones Wood Preserve Lunchroom40
- Coulee Manor Trailer Park39
- Upper Mississippi National Wildlife Refuge Visitor Center38
- Xcel Energy French Island Rdf Plant35
- Lax Co Veterans Mem Pk Shelter 235
- Lax Co Veterans Mem Pk Artesian35
- Sitara Salon Spa34
- Jolivette Family Farm30
- Haldemans Hilltop Tavern30
- Lax Co Goose Is Pk Shelter 430
- Lax Co Goose Is Artesian Well30
- Likelee Spot the30
- Mt La Crosse - Lodge Well30
- Drugans Supper Club30
- Christ Evangelical Lutheran Church29
- Diesels Pub29
- Campbell Town Hall28
- Robins Nest27
- Campbell Community Center27
- Magnolia Sunset Event Venues27
- Charlies Inn27
- Hot Line Freight System Inc.26
- Lax Co Goose Is Pk Cmpgd North 226
- St Johns Lutheran Church26
- F J Robers Library26
- Dugout Sports Bar & Grill the26
- Lewis Valley Lutheran Church26
- River Rats26
- Camp Decorah 4 - Gebhardt Lodge25
- Black Oak Grill & Saloon25
- Cozy Corner Cottages25
- Mormon Coulee Park-East Side25
- Mormon Coulee Park - West Side25
- Petticoat Junction25
- Grandad Bluff Park - Well 225
- Thrune Visitors Center25
- Pettibone Rv Park Resort25
- Holmen Baptist Church25
- Quillins Island Iga25
- Wi Dot Wayside 8 Greenfield25
- Olivet Lutheran Church and Addition25
- Nicks25
- Trinity United Church of Christ25
- Van Riper Park25
- Lax Co Veterans Mem Pk Bathhouse25
- Lax Co Goose Is Pk Middle Cmpgd25
- Lax Co Goose Is Pk South Cmpgd25
- Whispering Pines Campground - Shower House25
- Rumors Bar & Grill25
- Roadside Tavern & Fox Hollow Catering Hall25
- Lax Co Veterans Mem Pk Shelter 425
- Lax Co Goose Is - Playground Camp Area25
- Lax Co Goose Is Pk Shelter 525
- Camp Decorah 6 - Trading Post25
- Pettibone Boat Club Shop25
- Lax Co Veterans Mem Pk Campground25
- Lax Co Goose Is Park Artesian Well South25
- La Crosse Upper Hixon Park25
- Timmers 10 Mile Pub25
- Castaways25
- Camp Ehawee Primitive Campsite25
- Leo & Leonas25
- Angrys Way Out25
- Prince of Peace Lutheran Church25
- Camp Decorah 7 - New Dining Hall25
La Crosse County water systems: frequently asked questions
How many public water systems are in La Crosse County, Wisconsin?
EPA's SDWIS records file 122 active public water systems under La Crosse County, Wisconsin: 21 community systems (17%), 12 non-transient non-community systems (9.8%) and 89 transient non-community systems (73%).
Who supplies drinking water in La Crosse County, WI?
The largest community water systems filed under La Crosse County are La Crosse Waterworks (53,000 people served), Onalaska Waterworks (18,000 people served) and Holmen Waterworks (10,147 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 La Crosse County's drinking water come from groundwater or surface water?
Of the 122 active public water systems in La Crosse County, all draw mainly on groundwater and none on surface water, counting purchased supplies. The largest system, La Crosse Waterworks, uses groundwater.
Where can I find a water quality report for La Crosse 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. 21 community systems are filed under La Crosse 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 La Crosse 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
- Winnebago County· 145 systems
- Columbia County· 140 systems
- Manitowoc County· 139 systems
- Washburn County· 128 systems
- Langlade County· 117 systems
- Shawano County· 116 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 La Crosse County, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/la-crosse (data as of October 1, 2026).