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Hendricks County, Indiana — public water systems

At a glance

53 active public water systems are filed under Hendricks County, Indiana in EPA's SDWIS records, together reporting 93,426 people served. The largest is Plainfield Water Works, which reports serving 34,477 people. 9 are community water systems serving people where they live; the other 44 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

53

Population served

93.4K

Community systems

9

Groundwater share

92.5%

How does Hendricks County compare with other Indiana counties?

Hendricks County has the 23rd-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 93,426 people served in total, the 15th-largest county figure in the state and 1.6% of the statewide total. The average system here reports serving 1,763 people, about 21% above 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 Hendricks County's drinking water come from?

By primary water source, Hendricks County's active systems draw on groundwater (49, 92%) and purchased surface water (4, 7.5%). Overall, 92% rely mainly on groundwater (including purchased groundwater) and 7.5% 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, Plainfield Water Works, draws primarily on groundwater.

What kinds of water systems operate in Hendricks County?

Hendricks County's active systems break down as 9 community systems (17%), 5 non-transient non-community systems (9.4%) and 39 transient non-community systems (74%). 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 (68%), local government (30%) and state government (1.9%).

The 50 largest water systems in Hendricks County

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Active public water systems in Hendricks County, Indiana
#Water systemCountyPopulation servedTypeSource
1Plainfield Water WorksHendricks34,477CommunityGroundwater
2Brownsburg Water WorksHendricks31,250CommunityPurchased surface water
3Danville Water WorksHendricks10,500CommunityPurchased surface water
4Plainfield Re-Entry Educational FacilityHendricks4,500CommunityGroundwater
5Pittsboro Water CompanyHendricks4,113CommunityPurchased surface water
6Cascade Senior High SchoolHendricks975Non-transient non-communityGroundwater
7St. Malachy Catholic Parish - ChurchHendricks630Transient non-communityGroundwater
8Hazelwood Christian ChurchHendricks600Transient non-communityGroundwater
9North Salem Water CorporationHendricks515CommunityGroundwater
10St. Malachy Catholic Parish - SchoolHendricks511Non-transient non-communityGroundwater
11West Bridge ChurchHendricks500Transient non-communityGroundwater
12Town of Lizton Water UtilityHendricks488CommunityPurchased surface water
13Mill Creek East Elementary SchoolHendricks455Non-transient non-communityGroundwater
14Cornerstone Christian ChurchHendricks452Transient non-communityGroundwater
15W.S. Gibbs Memorial ParkHendricks336Transient non-communityGroundwater
16Mill Creek West Elementary SchoolHendricks325Non-transient non-communityGroundwater
17Washington Township Community ParkHendricks300Transient non-communityGroundwater
18Dollar General #24155 - DanvilleHendricks226Transient non-communityGroundwater
19Lizton Lodge LLCHendricks160Transient non-communityGroundwater
20Bible Church of BrownsburgHendricks150Transient non-communityGroundwater
21Deer Creek Management, LLC.Hendricks143Transient non-communityGroundwater
22Clayton Christian ChurchHendricks130Transient non-communityGroundwater
23Stacks 2Hendricks125Transient non-communityGroundwater
24Lighthouse Christian FellowshipHendricks115Transient non-communityGroundwater
25Brew Link Brewery/Oak Tree Golf CourseHendricks110Transient non-communityGroundwater
26Beasley OrchardHendricks106Transient non-communityGroundwater
27Coatesville Community CenterHendricks100Transient non-communityGroundwater
28American Legion Post 118Hendricks100Transient non-communityGroundwater
29Twin Bridges Rdf -Softball/Soccer FieldsHendricks100Transient non-communityGroundwater
30Twin Bridges Rdf - LodgeHendricks75Transient non-communityGroundwater
31Fairfield Friends MeetingHendricks75Transient non-communityGroundwater
32Mccloud Nature ParkHendricks58Transient non-communityGroundwater
33Dollar General #13212 - StilesvilleHendricks50Transient non-communityGroundwater
34Stilesville Christian ChurchHendricks50Transient non-communityGroundwater
35Washington Township Pecar ParkHendricks50Transient non-communityGroundwater
36Elite Property, Inc..Hendricks50Transient non-communityGroundwater
37Coatesville Food StoreHendricks42Transient non-communityGroundwater
38Sti-Bel Mobile Home ParkHendricks40CommunityGroundwater
39Park 36 LLCHendricks39Transient non-communityGroundwater
40District 39 ApartmentsHendricks36CommunityGroundwater
411st Baptist Church of AmoHendricks35Transient non-communityGroundwater
42Hillside CampgroundHendricks34Transient non-communityGroundwater
43Clayton Food StoreHendricks31Transient non-communityGroundwater
44Coatesville Public LibraryHendricks31Transient non-communityGroundwater
45Hazelwood Baptist ChurchHendricks30Transient non-communityGroundwater
46Coxs Plant Farm Inc..Hendricks30Non-transient non-communityGroundwater
47Hendricks Regional Health (Lizton)Hendricks28Transient non-communityGroundwater
48Dollar General #12684 - LiztonHendricks25Transient non-communityGroundwater
49Vandalia Trail - Coatesville StationHendricks25Transient non-communityGroundwater
50Kennedy EstatesHendricks25Transient non-communityGroundwater

All other water systems in Hendricks County (3)

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

Hendricks County water systems: frequently asked questions

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

EPA's SDWIS records file 53 active public water systems under Hendricks County, Indiana: 9 community systems (17%), 5 non-transient non-community systems (9.4%) and 39 transient non-community systems (74%).

Who supplies drinking water in Hendricks County, IN?

The largest community water systems filed under Hendricks County are Plainfield Water Works (34,477 people served), Brownsburg Water Works (31,250 people served) and Danville Water Works (10,500 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 Hendricks County's drinking water come from groundwater or surface water?

Of the 53 active public water systems in Hendricks County, 92% draw mainly on groundwater and 7.5% on surface water, counting purchased supplies. The largest system, Plainfield Water Works, uses groundwater.

Where can I find a water quality report for Hendricks 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. 9 community systems are filed under Hendricks 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 Hendricks 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 Hendricks County, Indiana”, https://aquacensus.com/water-systems/indiana/hendricks (data as of October 1, 2026).