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Richland County, Wisconsin — public water systems

At a glance

38 active public water systems are filed under Richland County, Wisconsin in EPA's SDWIS records, together reporting 10,908 people served. The largest is Richland Center Waterworks, which reports serving 5,100 people. 6 are community water systems serving people where they live; the other 32 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

38

Population served

10.9K

Community systems

6

Groundwater share

100%

How does Richland County compare with other Wisconsin counties?

Richland County has the 70th-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 10,908 people served in total, the 61st-largest county figure in the state and 0.2% of the statewide total. The average system here reports serving 287 people, about 39% 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 Richland County's drinking water come from?

By primary water source, Richland County's active systems draw on groundwater (38, 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, Richland Center Waterworks, draws primarily on groundwater.

What kinds of water systems operate in Richland County?

Richland County's active systems break down as 6 community systems (16%), 9 non-transient non-community systems (24%) and 23 transient non-community systems (61%). 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 (74%) and local government (26%).

Water systems in Richland County

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Active public water systems in Richland County, Wisconsin
#Water systemCountyPopulation servedTypeSource
1Richland Center WaterworksRichland5,100CommunityGroundwater
2Lone Rock WaterworksRichland895CommunityGroundwater
3Ithaca Public School K-12Richland700Non-transient non-communityGroundwater
4Sextonville WaterworksRichland425CommunityGroundwater
5Cazenovia WaterworksRichland351CommunityGroundwater
6Richland Center Intermediate SchoolRichland321Non-transient non-communityGroundwater
7New House RichlandRichland265Non-transient non-communityGroundwater
8Ithaca Public School - GymRichland235Non-transient non-communityGroundwater
9Pine Valley Community VillageRichland225CommunityGroundwater
10S & S Cycle Upper WellRichland180Non-transient non-communityGroundwater
11S & S Cycle Lower WellRichland180Non-transient non-communityGroundwater
12Boaz Country StoreRichland161Transient non-communityGroundwater
13Oakwood Fruit Farm Store & PlantRichland156Transient non-communityGroundwater
14Foremost Farms USA Coop Richland CenterRichland156Non-transient non-communityGroundwater
15Quail Run Golf LinksRichland106Transient non-communityGroundwater
16Kellys Bunker HillRichland103Transient non-communityGroundwater
17St Anthonys Catholic ChurchRichland101Transient non-communityGroundwater
18Boaz Community ParkRichland100Transient non-communityGroundwater
19Norman Office Building CRichland87Non-transient non-communityGroundwater
20Eagle Cave Resort 2 RestroomsRichland80Transient non-communityGroundwater
21Lonesome Dove Tavern LLCRichland80Transient non-communityGroundwater
22Village PumpRichland80Transient non-communityGroundwater
23Mels Micro BreweryRichland77Transient non-communityGroundwater
24Vetesnik Power SportsRichland74Transient non-communityGroundwater
25Equity Coop Livestock Sales AssociationRichland70Transient non-communityGroundwater
26Yuba WaterworksRichland68CommunityGroundwater
27HonkersRichland56Transient non-communityGroundwater
28Fireside CampgroundRichland54Transient non-communityGroundwater
29Seventh Day Adventist ChurchRichland52Transient non-communityGroundwater
30Turbos Bar & GrillRichland51Transient non-communityGroundwater
31Grand View Family WorshipRichland51Transient non-communityGroundwater
32Bethlehem Lutheran ChurchRichland50Transient non-communityGroundwater
33Alana Springs CampgroundRichland42Transient non-communityGroundwater
34Port theRichland41Transient non-communityGroundwater
35Djs Kwik StopRichland36Transient non-communityGroundwater
36Norman Office Building ARichland36Transient non-communityGroundwater
37Lowe ManufacturingRichland33Non-transient non-communityGroundwater
38Pier Rockbridge County ParkRichland30Transient non-communityGroundwater

Richland County water systems: frequently asked questions

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

EPA's SDWIS records file 38 active public water systems under Richland County, Wisconsin: 6 community systems (16%), 9 non-transient non-community systems (24%) and 23 transient non-community systems (61%).

Who supplies drinking water in Richland County, WI?

The largest community water systems filed under Richland County are Richland Center Waterworks (5,100 people served), Lone Rock Waterworks (895 people served) and Sextonville Waterworks (425 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 Richland County's drinking water come from groundwater or surface water?

Of the 38 active public water systems in Richland County, all draw mainly on groundwater and none on surface water, counting purchased supplies. The largest system, Richland Center Waterworks, uses groundwater.

Where can I find a water quality report for Richland 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 Richland 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 Richland 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 Richland County, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/richland (data as of October 1, 2026).