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Outagamie County, Wisconsin — public water systems

At a glance

107 active public water systems are filed under Outagamie County, Wisconsin in EPA's SDWIS records, together reporting 179,613 people served. The largest is Appleton Waterworks, which reports serving 74,511 people. 19 are community water systems serving people where they live; the other 88 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

107

Population served

179.6K

Community systems

19

Groundwater share

98.1%

How does Outagamie County compare with other Wisconsin counties?

Outagamie County has the 44th-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 179,613 people served in total, the 6th-largest county figure in the state and 3.5% of the statewide total. The average system here reports serving 1,679 people, about 3.6 times 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 Outagamie County's drinking water come from?

By primary water source, Outagamie County's active systems draw on groundwater (104, 97%), surface water (1, 0.9%), purchased groundwater (1, 0.9%) and purchased surface water (1, 0.9%). Overall, 98% rely mainly on groundwater (including purchased groundwater) and 1.9% 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, Appleton Waterworks, draws primarily on surface water.

What kinds of water systems operate in Outagamie County?

Outagamie County's active systems break down as 19 community systems (18%), 13 non-transient non-community systems (12%) and 75 transient non-community systems (70%). 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 (80%) and local government (20%).

The 50 largest water systems in Outagamie County

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Active public water systems in Outagamie County, Wisconsin
#Water systemCountyPopulation servedTypeSource
1Appleton WaterworksOutagamie74,511CommunitySurface water
2Grand Chute Tn San Dist 1Outagamie21,583CommunityPurchased surface water
3Kaukauna UtilitiesOutagamie17,493CommunityGroundwater
4Darboy Sanitary Dist 1Outagamie13,024CommunityGroundwater
5Little Chute WaterworksOutagamie12,168CommunityGroundwater
6Greenville Utilities Vil ofOutagamie11,340CommunityGroundwater
7Kimberly WaterworksOutagamie7,608CommunityGroundwater
8Combined Locks WaterworksOutagamie3,609CommunityPurchased groundwater
9Seymour WaterworksOutagamie3,601CommunityGroundwater
10Freedom Sanitary DistrictOutagamie3,260CommunityGroundwater
11Hortonville Water UtilityOutagamie3,028CommunityGroundwater
12Black Creek WaterworksOutagamie1,336CommunityGroundwater
13Shiocton UtilitiesOutagamie921CommunityGroundwater
14St Edward Sch & ChOutagamie505Non-transient non-communityGroundwater
15Bear Creek WaterworksOutagamie418CommunityGroundwater
16Nichols WaterworksOutagamie275CommunityGroundwater
17Maplewood VillageOutagamie225CommunityGroundwater
18Romys NitingaleOutagamie220Transient non-communityGroundwater
19Out O Town Supper ClubOutagamie220Transient non-communityGroundwater
20Sugar Bush Elementary SchOutagamie200Non-transient non-communityGroundwater
21Glk Sauerkraut LLCOutagamie150Non-transient non-communityGroundwater
22Fox Cities LeasingOutagamie123Transient non-communityGroundwater
23Joyful Beginnings AcademyOutagamie120Non-transient non-communityGroundwater
24Greenville Utilities Vil of/Crestview SubdivisionOutagamie120CommunityGroundwater
25Oh Snap Pickling CoOutagamie118Non-transient non-communityGroundwater
26Tidy View Dairy LLCOutagamie111Non-transient non-communityGroundwater
27Wild River Pizza PubOutagamie110Transient non-communityGroundwater
28Dhami Sports BarOutagamie110Transient non-communityGroundwater
29W I R Drag StripOutagamie110Transient non-communityGroundwater
30W I R Stock CarOutagamie110Transient non-communityGroundwater
31Krabbes Supper ClubOutagamie110Transient non-communityGroundwater
32Jackson Point Sports GrillOutagamie110Transient non-communityGroundwater
33Countryside Golf ClubOutagamie110Transient non-communityGroundwater
34Chaska Golf CourseOutagamie110Transient non-communityGroundwater
35Girl Scouts of the Nw Great Lakes Appleton Service CenterOutagamie101Transient non-communityGroundwater
36Rueden Ridge SubdivisionOutagamie100CommunityGroundwater
37Gregg Young Hortonville FordOutagamie79Non-transient non-communityGroundwater
38Kens Sports Inc.Outagamie60Non-transient non-communityGroundwater
39Wishing Well Bar & GrillOutagamie50Transient non-communityGroundwater
40Church of Jc of LDSOutagamie50Transient non-communityGroundwater
41Scottys PubOutagamie50Transient non-communityGroundwater
42Road Trip Food & SpiritsOutagamie50Transient non-communityGroundwater
43Fox Valley Golf ClubhouseOutagamie50Transient non-communityGroundwater
44St Sebastian Cath ChOutagamie50Transient non-communityGroundwater
45Irish Waters GolfOutagamie50Transient non-communityGroundwater
46Fox Valley Golf Maintenance ShopOutagamie50Transient non-communityGroundwater
47Riverside Pump and MunchOutagamie50Transient non-communityGroundwater
48Mjs Supper ClubOutagamie50Transient non-communityGroundwater
49Jts on 96 Bar and GrillOutagamie50Transient non-communityGroundwater
50North Lake VillageOutagamie44CommunityGroundwater

All other water systems in Outagamie County (57)

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

Outagamie County water systems: frequently asked questions

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

EPA's SDWIS records file 107 active public water systems under Outagamie County, Wisconsin: 19 community systems (18%), 13 non-transient non-community systems (12%) and 75 transient non-community systems (70%).

Who supplies drinking water in Outagamie County, WI?

The largest community water systems filed under Outagamie County are Appleton Waterworks (74,511 people served), Grand Chute Tn San Dist 1 (21,583 people served) and Kaukauna Utilities (17,493 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 Outagamie County's drinking water come from groundwater or surface water?

Of the 107 active public water systems in Outagamie County, 98% draw mainly on groundwater and 1.9% on surface water, counting purchased supplies. The largest system, Appleton Waterworks, uses surface water.

Where can I find a water quality report for Outagamie 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. 19 community systems are filed under Outagamie 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 Outagamie 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 Outagamie County, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/outagamie (data as of October 1, 2026).