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Sheboygan County, Wisconsin — public water systems

At a glance

215 active public water systems are filed under Sheboygan County, Wisconsin in EPA's SDWIS records, together reporting 120,200 people served. The largest is Sheboygan Water Utilities, which reports serving 49,931 people. 17 are community water systems serving people where they live; the other 198 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

215

Population served

120.2K

Community systems

17

Groundwater share

98.6%

How does Sheboygan County compare with other Wisconsin counties?

Sheboygan County has the 11th-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 120,200 people served in total, the 11th-largest county figure in the state and 2.3% of the statewide total. The average system here reports serving 559 people, about 19% 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 Sheboygan County's drinking water come from?

By primary water source, Sheboygan County's active systems draw on groundwater (212, 99%), purchased surface water (2, 0.9%) and surface water (1, 0.5%). Overall, 99% rely mainly on groundwater (including purchased groundwater) and 1.4% 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, Sheboygan Water Utilities, draws primarily on surface water.

What kinds of water systems operate in Sheboygan County?

Sheboygan County's active systems break down as 17 community systems (7.9%), 23 non-transient non-community systems (11%) and 175 transient non-community systems (81%). 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 (77%), local government (14%) and state government (8.4%).

The 50 largest water systems in Sheboygan County

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Active public water systems in Sheboygan County, Wisconsin
#Water systemCountyPopulation servedTypeSource
1Sheboygan Water UtilitiesSheboygan49,931CommunitySurface water
2Plymouth UtilitiesSheboygan8,964CommunityGroundwater
3Sheboygan Falls UtilitiesSheboygan8,687CommunityPurchased surface water
4Sheboygan Tn WaterworksSheboygan4,596CommunityGroundwater
5Oostburg WaterworksSheboygan3,110CommunityGroundwater
6Kohler WaterworksSheboygan2,271CommunityPurchased surface water
7Cedar Grove WaterworksSheboygan2,213CommunityGroundwater
8Loves Travel Stop - SheboyganSheboygan2,070Non-transient non-communityGroundwater
9Random Lake WaterworksSheboygan1,594CommunityGroundwater
10Elkhart Lake WaterworksSheboygan1,567CommunityGroundwater
11Kettle Moraine Correctional InstitutionSheboygan1,544CommunityGroundwater
12Lakeland UniversitySheboygan1,200CommunityGroundwater
13Wade House-Visitor Center and MuseumSheboygan754Transient non-communityGroundwater
14Rehlko Power Systems SecuritySheboygan750Non-transient non-communityGroundwater
15St Pauls Evangelical Lutheran ChurchSheboygan735Non-transient non-communityGroundwater
16Cascade WaterworksSheboygan719CommunityGroundwater
17Saron United Church of ChristSheboygan603Transient non-communityGroundwater
18Rocky Knoll Health Care FacSheboygan564CommunityGroundwater
19Gibbsville Reformed ChurchSheboygan558Transient non-communityGroundwater
20Trinity Lutheran ChSheboygan550Transient non-communityGroundwater
21St Paul Lutheran Early Childhood Center & ChurchSheboygan540Non-transient non-communityGroundwater
22Plymouth Rock Resort Pool 3Sheboygan516Transient non-communityGroundwater
23Plymouth Rock Resort 600 Area WellSheboygan516Transient non-communityGroundwater
24Plymouth Rock Resort Pool 2Sheboygan516Transient non-communityGroundwater
25Plymouth Rock Resort Main WellSheboygan516Transient non-communityGroundwater
26Plymouth Rock Resort Pool 1Sheboygan516Transient non-communityGroundwater
27Adell WaterworksSheboygan510CommunityGroundwater
28Rstore #4518Sheboygan504Transient non-communityGroundwater
29Waldo WaterworksSheboygan500CommunityGroundwater
30Hingham ChurchSheboygan500Transient non-communityGroundwater
31Road America Vip Building WellSheboygan468Transient non-communityGroundwater
32Road America Midway Restroom WellSheboygan468Transient non-communityGroundwater
33Road America Restroom & Showers WellSheboygan468Transient non-communityGroundwater
34Road America Center WellSheboygan468Transient non-communityGroundwater
35Road America Paddock South WellSheboygan468Transient non-communityGroundwater
36Road America Go Cart Campground WellSheboygan468Transient non-communityGroundwater
37Road America Turn 3 WellSheboygan468Transient non-communityGroundwater
38Road America Turn 4 WellSheboygan468Transient non-communityGroundwater
39Road America Turn 6 WellSheboygan468Transient non-communityGroundwater
40Road America Office North WellSheboygan468Transient non-communityGroundwater
41Road America Turn 7 WellSheboygan468Transient non-communityGroundwater
42Glenbeulah WaterworksSheboygan461CommunityGroundwater
43Northview Elementary SchoolSheboygan435Non-transient non-communityGroundwater
44Johnsonville Countryside ComplexSheboygan410Non-transient non-communityGroundwater
45Aldrich Chemical CoSheboygan400Non-transient non-communityGroundwater
46Howards Grove High School & District OfficeSheboygan360Non-transient non-communityGroundwater
47Trinity Lutheran ChSheboygan323Transient non-communityGroundwater
48Road America Turn 1 WellSheboygan320Transient non-communityGroundwater
49Our Lady of the Lakes-St Nicholas ChapelSheboygan253Transient non-communityGroundwater
50Blackwolf Run Golf Rivers CourseSheboygan250Transient non-communityGroundwater

All other water systems in Sheboygan County (165)

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

Sheboygan County water systems: frequently asked questions

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

EPA's SDWIS records file 215 active public water systems under Sheboygan County, Wisconsin: 17 community systems (7.9%), 23 non-transient non-community systems (11%) and 175 transient non-community systems (81%).

Who supplies drinking water in Sheboygan County, WI?

The largest community water systems filed under Sheboygan County are Sheboygan Water Utilities (49,931 people served), Plymouth Utilities (8,964 people served) and Sheboygan Falls Utilities (8,687 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 Sheboygan County's drinking water come from groundwater or surface water?

Of the 215 active public water systems in Sheboygan County, 99% draw mainly on groundwater and 1.4% on surface water, counting purchased supplies. The largest system, Sheboygan Water Utilities, uses surface water.

Where can I find a water quality report for Sheboygan 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. 17 community systems are filed under Sheboygan 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 Sheboygan 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 Sheboygan County, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/sheboygan (data as of October 1, 2026).