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Kosciusko County, Indiana — public water systems

At a glance

291 active public water systems are filed under Kosciusko County, Indiana in EPA's SDWIS records, together reporting 60,342 people served. The largest is Indiana American Water - Warsaw, which reports serving 13,835 people. 29 are community water systems serving people where they live; the other 262 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

291

Population served

60.3K

Community systems

29

Groundwater share

100%

How does Kosciusko County compare with other Indiana counties?

Kosciusko County has the most active public water systems among the 109 counties listed for active Indiana systems in EPA records; among the 92 with 3 or more systems, the median has 26. Its systems report 60,342 people served in total, the 23rd-largest county figure in the state and 1% of the statewide total. The average system here reports serving 207 people, well below the Indiana average of 1,456. 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 Kosciusko County's drinking water come from?

By primary water source, Kosciusko County's active systems draw on groundwater (291, 100%). Overall, all rely mainly on groundwater (including purchased groundwater) and none on surface water, compared with 97% and 2.8% across Indiana. Groundwater means the system draws its water from wells or springs fed by underground aquifers. The county's largest system, Indiana American Water - Warsaw, draws primarily on groundwater.

What kinds of water systems operate in Kosciusko County?

Kosciusko County's active systems break down as 29 community systems (10%), 38 non-transient non-community systems (13%) and 224 transient non-community systems (77%). 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 (7.2%) and state government (0.7%).

The 50 largest water systems in Kosciusko County

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Active public water systems in Kosciusko County, Indiana
#Water systemCountyPopulation servedTypeSource
1Indiana American Water - WarsawKosciusko13,835CommunityGroundwater
2Syracuse Water CompanyKosciusko2,810CommunityGroundwater
3Milford Water DepartmentKosciusko1,556CommunityGroundwater
4Silver Lake Water WorksKosciusko1,030CommunityGroundwater
5Mentone Water CompanyKosciusko1,001CommunityGroundwater
6Jellystone Park - Main WellKosciusko960Transient non-communityGroundwater
7Jellystone Park - South PoolKosciusko960Transient non-communityGroundwater
8Jellystone Park - Comfort Station 7Kosciusko960Transient non-communityGroundwater
9Jellystone Park - Circle (New)Kosciusko960Transient non-communityGroundwater
10Pierceton Water WorksKosciusko928CommunityGroundwater
11Zimmer Biomet, Inc.. - Building AKosciusko912Non-transient non-communityGroundwater
12Mcclure Store #37Kosciusko905Transient non-communityGroundwater
13Leesburg Stop N GoKosciusko903Transient non-communityGroundwater
14Etna Green Water DepartmentKosciusko663CommunityGroundwater
15St. Martin De Porres ChurchKosciusko650Transient non-communityGroundwater
16Tippecanoe Valley High SchoolKosciusko611Non-transient non-communityGroundwater
17Circle K #2372 - North WebsterKosciusko602Transient non-communityGroundwater
18Mecks Whispering Pines Ii LLCKosciusko598CommunityGroundwater
19Pleasant View Bible Church/DcKosciusko597Non-transient non-communityGroundwater
20Turkey Creek Regional Sewer DistrictKosciusko593CommunityGroundwater
21Wawasee Middle SchoolKosciusko588Non-transient non-communityGroundwater
22Christs Covenant ChurchKosciusko560Transient non-communityGroundwater
23North Webster Community Church, Inc..Kosciusko550Transient non-communityGroundwater
24Leesburg Elem SchoolKosciusko542Non-transient non-communityGroundwater
25Maple Leaf FarmsKosciusko520Non-transient non-communityGroundwater
26Slate AutomotiveKosciusko500Non-transient non-communityGroundwater
27Green Acres Mobile Home ParkKosciusko500CommunityGroundwater
28North Webster ElementaryKosciusko475Non-transient non-communityGroundwater
29Tippecanoe Valley Middle SchoolKosciusko474Non-transient non-communityGroundwater
30Hideaway HillsKosciusko470CommunityGroundwater
31City-County Athletic ComplexKosciusko454Transient non-communityGroundwater
32Westhaven MHP LLCKosciusko417CommunityGroundwater
33Indiana American Water - ClaypoolKosciusko413CommunityGroundwater
34Harbor Freight Tools USA - Store #839Kosciusko412Transient non-communityGroundwater
35Community Grace Brethren Church & SchoolKosciusko402Non-transient non-communityGroundwater
36Da-Lite Division/Legrand AvKosciusko350Non-transient non-communityGroundwater
37Regency Pointe Estates Mobile Home ParkKosciusko345CommunityGroundwater
38Suburban Acres MHPKosciusko333CommunityGroundwater
39Pathway ChurchKosciusko291Transient non-communityGroundwater
40Wawasee Community Bible ChurchKosciusko275Transient non-communityGroundwater
41Dairy Queen Chill & GrillKosciusko274Transient non-communityGroundwater
42Camp Alexander Mack-Sarah MajorKosciusko264Transient non-communityGroundwater
43Lassus Convenience Store-North WebsterKosciusko257Transient non-communityGroundwater
44Cvs North WebsterKosciusko250Transient non-communityGroundwater
45Kos Co Fairgrounds MidwayKosciusko250Transient non-communityGroundwater
46Vineyard ChurchKosciusko226Transient non-communityGroundwater
47Stonehenge Golf CourseKosciusko220Transient non-communityGroundwater
48Neighborhood FreshKosciusko215Transient non-communityGroundwater
49Merrywood Mobile Home ParkKosciusko210CommunityGroundwater
50Vandelay Industries Dba Mancave BreweryKosciusko210Transient non-communityGroundwater

All other water systems in Kosciusko County (241)

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

Kosciusko County water systems: frequently asked questions

How many public water systems are in Kosciusko County, Indiana?

EPA's SDWIS records file 291 active public water systems under Kosciusko County, Indiana: 29 community systems (10%), 38 non-transient non-community systems (13%) and 224 transient non-community systems (77%).

Who supplies drinking water in Kosciusko County, IN?

The largest community water systems filed under Kosciusko County are Indiana American Water - Warsaw (13,835 people served), Syracuse Water Company (2,810 people served) and Milford Water Department (1,556 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 Kosciusko County's drinking water come from groundwater or surface water?

Of the 291 active public water systems in Kosciusko County, all draw mainly on groundwater and none on surface water, counting purchased supplies. The largest system, Indiana American Water - Warsaw, uses groundwater.

Where can I find a water quality report for Kosciusko 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. 29 community systems are filed under Kosciusko 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 Kosciusko 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 Indiana 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 Kosciusko County, Indiana”, https://aquacensus.com/water-systems/indiana/kosciusko (data as of October 1, 2026).