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Washburn County, Wisconsin — public water systems

At a glance

128 active public water systems are filed under Washburn County, Wisconsin in EPA's SDWIS records, together reporting 9,565 people served. The largest is Spooner Waterworks, which reports serving 2,653 people. 6 are community water systems serving people where they live; the other 122 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

128

Population served

9.6K

Community systems

6

Groundwater share

100%

How does Washburn County compare with other Wisconsin counties?

Washburn County has the 39th-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 9,565 people served in total, the 64th-largest county figure in the state and 0.2% of the statewide total. The average system here reports serving 75 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 Washburn County's drinking water come from?

By primary water source, Washburn County's active systems draw on groundwater (127, 99%) and purchased groundwater (1, 0.8%). 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, Spooner Waterworks, draws primarily on groundwater.

What kinds of water systems operate in Washburn County?

Washburn County's active systems break down as 6 community systems (4.7%), 2 non-transient non-community systems (1.6%) and 120 transient non-community systems (94%). 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 (82%), local government (13%), federal government (3.1%) and state government (2.3%).

The 50 largest water systems in Washburn County

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Active public water systems in Washburn County, Wisconsin
#Water systemCountyPopulation servedTypeSource
1Spooner WaterworksWashburn2,653CommunityGroundwater
2Shell Lake WaterworksWashburn950CommunityGroundwater
3Minong WaterworksWashburn561CommunityGroundwater
4Birchwood WaterworksWashburn442CommunityGroundwater
5Northwood SchoolWashburn350Non-transient non-communityGroundwater
6Birch Trail Camp for Girls Main WellWashburn300Transient non-communityGroundwater
7Friends of Hunt Hill Audubon Sanctuary Main CampWashburn275Transient non-communityGroundwater
8Beaver Brook Sanitary DistrictWashburn200CommunityPurchased groundwater
9Beautiful Savior Luthern ChurchWashburn150Transient non-communityGroundwater
10Prime Bar Family Dining Inc.Washburn100Transient non-communityGroundwater
11River Church theWashburn100Transient non-communityGroundwater
12TracksWashburn100Transient non-communityGroundwater
13Buliks Mobile Home ParkWashburn93CommunityGroundwater
14Rockford HouseWashburn70Transient non-communityGroundwater
15Anchor Woods CampgroundWashburn66Transient non-communityGroundwater
16Tomahawk Scout Res Chippewa DiningWashburn60Transient non-communityGroundwater
17Red Barn Camping MaintenanceWashburn60Transient non-communityGroundwater
18Whitetail Ridge Sw Campground and SaloonWashburn60Transient non-communityGroundwater
19Stresau LabWashburn60Non-transient non-communityGroundwater
20Sarona United Methodist ChurchWashburn50Transient non-communityGroundwater
21Spooner Professional BuildingsWashburn50Transient non-communityGroundwater
22Spooner Golf Course Drinking FountainWashburn50Transient non-communityGroundwater
23Shangri La West Lodge CampgroundWashburn50Transient non-communityGroundwater
24Butternut Hills Club HouseWashburn50Transient non-communityGroundwater
25Shangri La East Dump StationWashburn45Transient non-communityGroundwater
26Christ Lutheran ChurchWashburn40Transient non-communityGroundwater
27Maple Terrace Resort Fish HousesWashburn40Transient non-communityGroundwater
28Vfw Post 10568Washburn30Transient non-communityGroundwater
29Whitetail Ridge North CampgroundWashburn30Transient non-communityGroundwater
30Aaa SportsWashburn30Transient non-communityGroundwater
31Tomahawk Scout Res Art KruzWashburn25Transient non-communityGroundwater
32Tomahawk Scout Res CrowWashburn25Transient non-communityGroundwater
33Tomahawk Scout Res CayugaWashburn25Transient non-communityGroundwater
34Tomahawk Scout Res BlackfootWashburn25Transient non-communityGroundwater
35Tomahawk Scout Res Admin KitchenWashburn25Transient non-communityGroundwater
36Tomahawk Scout Res Logging CampWashburn25Transient non-communityGroundwater
37Tomahawk Scout Res OakWashburn25Transient non-communityGroundwater
38Tomahawk Scout Res KiowaWashburn25Transient non-communityGroundwater
39Tomahawk Scout Res SacWashburn25Transient non-communityGroundwater
40Tomahawk Scout Res Family Tent CampWashburn25Transient non-communityGroundwater
41Tomahawk Scout Res PawneeWashburn25Transient non-communityGroundwater
42Tomahawk Scout Res Sioux Staff ShowerWashburn25Transient non-communityGroundwater
43Tomahawk Scout Res MiamiWashburn25Transient non-communityGroundwater
44Featherstone Rv ParkWashburn25Transient non-communityGroundwater
45GetawayWashburn25Transient non-communityGroundwater
46Camp Namekagon North FieldWashburn25Transient non-communityGroundwater
47Camp Namekagon Main Camp and BarnWashburn25Transient non-communityGroundwater
48Spooner Golf ClubWashburn25Transient non-communityGroundwater
49Long Lake Lutheran ChurchWashburn25Transient non-communityGroundwater
50Hubs RiverbendWashburn25Transient non-communityGroundwater

All other water systems in Washburn County (78)

The remaining active systems filed under Washburn County, largest first, with the population each reports serving.

Washburn County water systems: frequently asked questions

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

EPA's SDWIS records file 128 active public water systems under Washburn County, Wisconsin: 6 community systems (4.7%), 2 non-transient non-community systems (1.6%) and 120 transient non-community systems (94%).

Who supplies drinking water in Washburn County, WI?

The largest community water systems filed under Washburn County are Spooner Waterworks (2,653 people served), Shell Lake Waterworks (950 people served) and Minong Waterworks (561 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 Washburn County's drinking water come from groundwater or surface water?

Of the 128 active public water systems in Washburn County, all draw mainly on groundwater and none on surface water, counting purchased supplies. The largest system, Spooner Waterworks, uses groundwater.

Where can I find a water quality report for Washburn 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. 6 community systems are filed under Washburn 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 Washburn 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 Washburn County, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/washburn (data as of October 1, 2026).