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Warren County, Indiana — public water systems

At a glance

23 active public water systems are filed under Warren County, Indiana in EPA's SDWIS records, together reporting 5,176 people served. The largest is Williamsport Water Utility, which reports serving 1,800 people. 3 are community water systems serving people where they live; the other 20 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

23

Population served

5.2K

Community systems

3

Groundwater share

100%

How does Warren County compare with other Indiana counties?

Warren County has the 50th-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 5,176 people served in total, the 91st-largest county figure in the state and less than 0.1% of the statewide total. The average system here reports serving 225 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 Warren County's drinking water come from?

By primary water source, Warren County's active systems draw on groundwater (23, 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, Williamsport Water Utility, draws primarily on groundwater.

What kinds of water systems operate in Warren County?

Warren County's active systems break down as 3 community systems (13%), 4 non-transient non-community systems (17%) and 16 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 (78%) and local government (22%).

Water systems in Warren County

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Active public water systems in Warren County, Indiana
#Water systemCountyPopulation servedTypeSource
1Williamsport Water UtilityWarren1,800CommunityGroundwater
2Seeger Jr/Sr High School and Warren ElemWarren1,005Non-transient non-communityGroundwater
3West Lebanon Water WorksWarren723CommunityGroundwater
4Flex-N-Gate CovingtonWarren361Non-transient non-communityGroundwater
5Pine Village Mini MartWarren211Transient non-communityGroundwater
6Pine Village ElementaryWarren165Non-transient non-communityGroundwater
7Pine Village Christian ChurchWarren105Transient non-communityGroundwater
8Pine Creek Umc - PoolWarren98Transient non-communityGroundwater
9Hubner Industries, LLCWarren80Non-transient non-communityGroundwater
10Pine Creek Umc - TimbersWarren72Transient non-communityGroundwater
11Pine Creek Umc - GrovesWarren72Transient non-communityGroundwater
12Pine Creek Umc - ArkWarren65Transient non-communityGroundwater
13Klumpe Family CampgroundWarren62Transient non-communityGroundwater
14Pine Creek Umc - Family CampWarren60Transient non-communityGroundwater
15Narrow Way MinistriesWarren45Transient non-communityGroundwater
16Hanging Rock Christian Assembly Inc..Warren43Transient non-communityGroundwater
17Carbondale TavernWarren40Transient non-communityGroundwater
18Pence Water WorksWarren37CommunityGroundwater
19Dollar General #16971 - WilliamsportWarren30Transient non-communityGroundwater
20Stalph LLCWarren27Transient non-communityGroundwater
21The Grind Fitness Center LLCWarren25Transient non-communityGroundwater
22Oak Grove MotelWarren25Transient non-communityGroundwater
23Hooker Corner WineryWarren25Transient non-communityGroundwater

Warren County water systems: frequently asked questions

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

EPA's SDWIS records file 23 active public water systems under Warren County, Indiana: 3 community systems (13%), 4 non-transient non-community systems (17%) and 16 transient non-community systems (70%).

Who supplies drinking water in Warren County, IN?

The largest community water systems filed under Warren County are Williamsport Water Utility (1,800 people served), West Lebanon Water Works (723 people served) and Pence Water Works (37 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 Warren County's drinking water come from groundwater or surface water?

Of the 23 active public water systems in Warren County, all draw mainly on groundwater and none on surface water, counting purchased supplies. The largest system, Williamsport Water Utility, uses groundwater.

Where can I find a water quality report for Warren 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. 3 community systems are filed under Warren 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 Warren 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 Warren County, Indiana”, https://aquacensus.com/water-systems/indiana/warren (data as of October 1, 2026).