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Waushara County, Wisconsin — public water systems

At a glance

198 active public water systems are filed under Waushara County, Wisconsin in EPA's SDWIS records, together reporting 14,614 people served. The largest is Wautoma Water Dept, which reports serving 2,280 people. 8 are community water systems serving people where they live; the other 190 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

198

Population served

14.6K

Community systems

8

Groundwater share

100%

How does Waushara County compare with other Wisconsin counties?

Waushara County has the 17th-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 14,614 people served in total, the 53rd-largest county figure in the state and 0.3% of the statewide total. The average system here reports serving 74 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 Waushara County's drinking water come from?

By primary water source, Waushara County's active systems draw on groundwater (198, 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, Wautoma Water Dept, draws primarily on groundwater.

What kinds of water systems operate in Waushara County?

Waushara County's active systems break down as 8 community systems (4%), 11 non-transient non-community systems (5.6%) and 179 transient non-community systems (90%). 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 (92%), local government (7.6%) and state government (0.5%).

The 50 largest water systems in Waushara County

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Active public water systems in Waushara County, Wisconsin
#Water systemCountyPopulation servedTypeSource
1Wautoma Water DeptWaushara2,280CommunityGroundwater
2Redgranite WaterworksWaushara2,019CommunityGroundwater
3Plainfield WaterworksWaushara924CommunityGroundwater
4Coloma WaterworksWaushara454CommunityGroundwater
5Hancock WaterworksWaushara419CommunityGroundwater
6Operating Engineers Training CtrWaushara370Transient non-communityGroundwater
7Wild Rose Middle High SchWaushara350Non-transient non-communityGroundwater
8Wild Rose Elementary SchWaushara250Non-transient non-communityGroundwater
9Nordic Mountain Bistro LodgeWaushara220Transient non-communityGroundwater
10Camp Moshava KitchenWaushara220Transient non-communityGroundwater
11Camp Moshava Dining on HillWaushara220Transient non-communityGroundwater
12Mt Morris Camp Prog Center CabinsWaushara200Transient non-communityGroundwater
13Christ Ev Lutheran SchoolWaushara170Non-transient non-communityGroundwater
14Grace United Methodist ChurchWaushara150Transient non-communityGroundwater
15Milty Wilty Drive inWaushara110Transient non-communityGroundwater
16Silvercryst Inc. theWaushara110Transient non-communityGroundwater
17A & W Food StandWaushara110Transient non-communityGroundwater
18Waushara Country ClubWaushara110Transient non-communityGroundwater
19Dakota Capital Mhc LLCWaushara102CommunityGroundwater
20Little Silver Lake NorthWaushara100Transient non-communityGroundwater
21Little Silver Lake SouthWaushara90Transient non-communityGroundwater
22Thedacare Medical Center Wild RoseWaushara80Non-transient non-communityGroundwater
23Pick N SaveWaushara75Non-transient non-communityGroundwater
24Seneca Foods Berlin Migrant Camp 223Waushara75Transient non-communityGroundwater
25Mt Morris Camp Sandhill BldgWaushara75Transient non-communityGroundwater
26Migrant Labor Camp 396Waushara70Transient non-communityGroundwater
27Migrant Camp 929 Lauer FarmsWaushara68Transient non-communityGroundwater
28Silver Lake ManorWaushara67Non-transient non-communityGroundwater
29Little Silver Lake SouthwestWaushara60Transient non-communityGroundwater
30Boarders Inn & SuitesWaushara60Transient non-communityGroundwater
31Pineland Park 1Waushara60CommunityGroundwater
32Hancock Agricultural Research StationWaushara51Transient non-communityGroundwater
33Wautoma KrbWaushara50Transient non-communityGroundwater
34Ding TavernWaushara50Transient non-communityGroundwater
35Wilson Lake Cmpgd Shower HouseWaushara50Transient non-communityGroundwater
36Roses Enchanted Forest Cmpgd LLCWaushara50Transient non-communityGroundwater
37Camp Moshava Avodha Girls ShowerWaushara50Transient non-communityGroundwater
38Camp Moshava Girls Shower on the Hill MachalWaushara50Transient non-communityGroundwater
39Camp Moshava InfirmaryWaushara50Transient non-communityGroundwater
40Camp Moshava-Girls Shower Girls SideWaushara50Transient non-communityGroundwater
41Moose Inn Supper ClubWaushara50Transient non-communityGroundwater
42Wautoma InnWaushara50Transient non-communityGroundwater
43Camp Moshava Boys CabinsWaushara50Transient non-communityGroundwater
44Kelley TsWaushara50Transient non-communityGroundwater
45Camp Luwisomo Cmpgd NorthWaushara50Transient non-communityGroundwater
46True Harvest Bourbon CoWaushara50Transient non-communityGroundwater
47Crossroads CafeWaushara50Transient non-communityGroundwater
48Umos Headstart Ctr Spring LkWaushara50Transient non-communityGroundwater
49Hancock CampsiteWaushara50Transient non-communityGroundwater
50Evergreen Campsites 6th StWaushara50Transient non-communityGroundwater

All other water systems in Waushara County (148)

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

Waushara County water systems: frequently asked questions

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

EPA's SDWIS records file 198 active public water systems under Waushara County, Wisconsin: 8 community systems (4%), 11 non-transient non-community systems (5.6%) and 179 transient non-community systems (90%).

Who supplies drinking water in Waushara County, WI?

The largest community water systems filed under Waushara County are Wautoma Water Dept (2,280 people served), Redgranite Waterworks (2,019 people served) and Plainfield Waterworks (924 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 Waushara County's drinking water come from groundwater or surface water?

Of the 198 active public water systems in Waushara County, all draw mainly on groundwater and none on surface water, counting purchased supplies. The largest system, Wautoma Water Dept, uses groundwater.

Where can I find a water quality report for Waushara 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. 8 community systems are filed under Waushara 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 Waushara 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 Waushara County, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/waushara (data as of October 1, 2026).