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Florence County, Wisconsin — public water systems

At a glance

45 active public water systems are filed under Florence County, Wisconsin in EPA's SDWIS records, together reporting 2,791 people served. The largest is Florence Utility Commission, which reports serving 1,250 people. 2 are community water systems serving people where they live; the other 43 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

45

Population served

2.8K

Community systems

2

Groundwater share

100%

How does Florence County compare with other Wisconsin counties?

Florence County has the 68th-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 2,791 people served in total, the 71st-largest county figure in the state and less than 0.1% of the statewide total. The average system here reports serving 62 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 Florence County's drinking water come from?

By primary water source, Florence County's active systems draw on groundwater (45, 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, Florence Utility Commission, draws primarily on groundwater.

What kinds of water systems operate in Florence County?

Florence County's active systems break down as 2 community systems (4.4%) and 43 transient non-community systems (96%). 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 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 (78%), local government (20%) and federal government (2.2%).

Water systems in Florence County

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Active public water systems in Florence County, Wisconsin
#Water systemCountyPopulation servedTypeSource
1Florence Utility CommissionFlorence1,250CommunityGroundwater
2Villas Lakeside MarketFlorence110Transient non-communityGroundwater
3Stephenson Co-OpFlorence100Transient non-communityGroundwater
4AshsFlorence75Transient non-communityGroundwater
5Camping in the CloudsFlorence50Transient non-communityGroundwater
6Big Foots LiquorFlorence50Transient non-communityGroundwater
7El Capitan Supper ClubFlorence50Transient non-communityGroundwater
8T and T SteakhouseFlorence50Transient non-communityGroundwater
9Mine Shaft and CampsitesFlorence50Transient non-communityGroundwater
10Camping in the Clouds 3Florence50Transient non-communityGroundwater
11C & R BarFlorence50Transient non-communityGroundwater
12Family Cafe theFlorence50Transient non-communityGroundwater
13Nwtc Woodland CenterFlorence36Transient non-communityGroundwater
14Golden Eagle ApartmentsFlorence35Transient non-communityGroundwater
15Aurora LiquorsFlorence30Transient non-communityGroundwater
16Keyes Lake Mobile Home ParkFlorence30CommunityGroundwater
17Florence Co West Bass Shower HouseFlorence25Transient non-communityGroundwater
18Florence Co Lake Emily CmpgdFlorence25Transient non-communityGroundwater
19Florence Co West Bass Lk Pk PicFlorence25Transient non-communityGroundwater
20Bartolettis Supper ClubFlorence25Transient non-communityGroundwater
21ChuckwagonFlorence25Transient non-communityGroundwater
22Fay Lake ResortFlorence25Transient non-communityGroundwater
23Saloon No 2 in Spread Eagle WiFlorence25Transient non-communityGroundwater
24Northern LitesFlorence25Transient non-communityGroundwater
25U S F S Lost Lk Ycc Envrmtl F12Florence25Transient non-communityGroundwater
26Merks Knotheads BarFlorence25Transient non-communityGroundwater
27Annies Trading PostFlorence25Transient non-communityGroundwater
28Keyes Lake CampgroundFlorence25Transient non-communityGroundwater
29Uncle Richards Fence PostFlorence25Transient non-communityGroundwater
30Aurora Free ChurchFlorence25Transient non-communityGroundwater
31Fay Lake Resort South WellFlorence25Transient non-communityGroundwater
32Fay Lake Resort Rental Condo TownhouseFlorence25Transient non-communityGroundwater
33One O OneFlorence25Transient non-communityGroundwater
34Sachs Rendezvous BarFlorence25Transient non-communityGroundwater
35Jrs Pub and GrillFlorence25Transient non-communityGroundwater
36Whos NextFlorence25Transient non-communityGroundwater
37Scout Lake Public AccessFlorence25Transient non-communityGroundwater
38Fay Lake Resort Shower Sauna Cabins 1-4Florence25Transient non-communityGroundwater
39Florence Co West Bass Lk Pk CampFlorence25Transient non-communityGroundwater
40Fence Town HallFlorence25Transient non-communityGroundwater
41Roadhouse 139Florence25Transient non-communityGroundwater
42Great North BankFlorence25Transient non-communityGroundwater
43Whitetail Inn BarFlorence25Transient non-communityGroundwater
44Florence Co Keyes Lake ParkFlorence25Transient non-communityGroundwater
45Florence Co Keyes Peak Ski HillFlorence25Transient non-communityGroundwater

Florence County water systems: frequently asked questions

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

EPA's SDWIS records file 45 active public water systems under Florence County, Wisconsin: 2 community systems (4.4%) and 43 transient non-community systems (96%).

Who supplies drinking water in Florence County, WI?

The largest community water systems filed under Florence County are Florence Utility Commission (1,250 people served) and Keyes Lake Mobile Home Park (30 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 Florence County's drinking water come from groundwater or surface water?

Of the 45 active public water systems in Florence County, all draw mainly on groundwater and none on surface water, counting purchased supplies. The largest system, Florence Utility Commission, uses groundwater.

Where can I find a water quality report for Florence 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. 2 community systems are filed under Florence 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 Florence 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 Florence County, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/florence (data as of October 1, 2026).