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Delaware County, Indiana — public water systems

At a glance

63 active public water systems are filed under Delaware County, Indiana in EPA's SDWIS records, together reporting 97,272 people served. The largest is Indiana American Water - Muncie, which reports serving 74,030 people. 14 are community water systems serving people where they live; the other 49 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

63

Population served

97.3K

Community systems

14

Groundwater share

96.8%

How does Delaware County compare with other Indiana counties?

Delaware County has the 18th-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 97,272 people served in total, the 13th-largest county figure in the state and 1.7% of the statewide total. The average system here reports serving 1,544 people, roughly in line with 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 Delaware County's drinking water come from?

By primary water source, Delaware County's active systems draw on groundwater (60, 95%), surface water (1, 1.6%), purchased surface water (1, 1.6%) and purchased groundwater (1, 1.6%). Overall, 97% rely mainly on groundwater (including purchased groundwater) and 3.2% 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 - Muncie, draws primarily on surface water.

What kinds of water systems operate in Delaware County?

Delaware County's active systems break down as 14 community systems (22%), 9 non-transient non-community systems (14%) and 40 transient non-community systems (63%). 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 (81%), local government (14%) and state government (4.8%).

The 50 largest water systems in Delaware County

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Active public water systems in Delaware County, Indiana
#Water systemCountyPopulation servedTypeSource
1Indiana American Water - MuncieDelaware74,030CommunitySurface water
2Yorktown Water DepartmentDelaware6,200CommunityGroundwater
3Albany Water DepartmentDelaware2,165CommunityGroundwater
4Eaton Water WorksDelaware1,595CommunityGroundwater
5Daleville (Town of)Delaware1,560CommunityGroundwater
6Park One WaterDelaware1,325Non-transient non-communityGroundwater
7Petro Stopping Center #74Delaware1,017Non-transient non-communityGroundwater
8Pipe Creek North Rest AreaDelaware1,001Transient non-communityGroundwater
9Pipe Creek South Rest AreaDelaware1,001Transient non-communityGroundwater
10Admiral Petroleum #5390Delaware1,000Transient non-communityGroundwater
11Gaston Water WorksDelaware838CommunityGroundwater
12Cowan ElementaryDelaware464Non-transient non-communityGroundwater
13Cowan High SchoolDelaware392Non-transient non-communityGroundwater
14Little Scholars/Compass ChurchDelaware328Non-transient non-communityGroundwater
15Wes Del High SchoolDelaware327Non-transient non-communityGroundwater
16Prairie Creek Park Beach AreaDelaware308Transient non-communityGroundwater
17Countryview FarmsDelaware290CommunityGroundwater
18Wes Del Middle SchoolDelaware264Non-transient non-communityGroundwater
19Eb Fuel StopsDelaware250Transient non-communityGroundwater
20Tabor ChurchDelaware180Transient non-communityGroundwater
21Harris ChapelDelaware164Transient non-communityGroundwater
22Desoto United Methodist ChurchDelaware154Transient non-communityGroundwater
23Country Acres Mobile Home ParkDelaware150CommunityGroundwater
24Tabernacle of PraiseDelaware150Transient non-communityGroundwater
25Glad Tidings ChurchDelaware140Transient non-communityGroundwater
26Muncie Alliance ChurchDelaware128Transient non-communityGroundwater
27Delaware Acres MhcDelaware126CommunityGroundwater
28Bpo Elks Lodge #245Delaware100Transient non-communityGroundwater
29Maplewood Golf Course-Proshop/ClubhouseDelaware100Transient non-communityGroundwater
30Dairy Dream of Albany Inc..Delaware99Transient non-communityGroundwater
31Mount Olive Community ChurchDelaware98Transient non-communityGroundwater
32Corinth Church of Muncie, Inc.Delaware90Transient non-communityGroundwater
33Southside Church of the NazareneDelaware85Transient non-communityGroundwater
34Mt. Pleasant GroceryDelaware70Transient non-communityGroundwater
35Glenn Hills Non-Profit Corp.Delaware69CommunityGroundwater
36American Mobile Home ParkDelaware65CommunityPurchased surface water
37Cardinal Hills Golf Course Inc..Delaware58Transient non-communityGroundwater
38Christs Corner Ch Early Learning MinistrDelaware58Non-transient non-communityGroundwater
39Tractor Supply Co. - Store #623Delaware53Transient non-communityGroundwater
40Liberty Baptist Church of Muncie, Inc..Delaware51Transient non-communityGroundwater
41Adventure Environmental Learning CenterDelaware50Transient non-communityGroundwater
42Mplx Terminals LLC - Muncie TerminalDelaware50Transient non-communityGroundwater
43Lift-A-LoftDelaware48Non-transient non-communityGroundwater
44Autumn Acres SubdivisionDelaware48CommunityPurchased groundwater
45Prairie Creek Garage AreaDelaware38Transient non-communityGroundwater
46Delaware Community School CorporationDelaware38Transient non-communityGroundwater
47Big Oaks CampgroundDelaware37CommunityGroundwater
48Bible Christian ChurchDelaware35Transient non-communityGroundwater
49Gaston Lions ClubDelaware30Transient non-communityGroundwater
50F.W. Merry Memorial Assn./ ClubhouseDelaware29Transient non-communityGroundwater

All other water systems in Delaware County (13)

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

Delaware County water systems: frequently asked questions

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

EPA's SDWIS records file 63 active public water systems under Delaware County, Indiana: 14 community systems (22%), 9 non-transient non-community systems (14%) and 40 transient non-community systems (63%).

Who supplies drinking water in Delaware County, IN?

The largest community water systems filed under Delaware County are Indiana American Water - Muncie (74,030 people served), Yorktown Water Department (6,200 people served) and Albany Water Department (2,165 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 Delaware County's drinking water come from groundwater or surface water?

Of the 63 active public water systems in Delaware County, 97% draw mainly on groundwater and 3.2% on surface water, counting purchased supplies. The largest system, Indiana American Water - Muncie, uses surface water.

Where can I find a water quality report for Delaware 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. 14 community systems are filed under Delaware 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 Delaware 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 Delaware County, Indiana”, https://aquacensus.com/water-systems/indiana/delaware (data as of October 1, 2026).