Benton County, Indiana — public water systems
At a glance
8 active public water systems are filed under Benton County, Indiana in EPA's SDWIS records, together reporting 7,527 people served. The largest is Fowler Water Works, which reports serving 2,342 people. 6 are community water systems serving people where they live; the other 2 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
8
Population served
7.5K
Community systems
6
Groundwater share
100%
How does Benton County compare with other Indiana counties?
Benton County has the 75th-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 7,527 people served in total, the 87th-largest county figure in the state and 0.1% of the statewide total. The average system here reports serving 941 people, about 35% 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 Benton County's drinking water come from?
By primary water source, Benton County's active systems draw on groundwater (8, 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, Fowler Water Works, draws primarily on groundwater.
What kinds of water systems operate in Benton County?
Benton County's active systems break down as 6 community systems (75%), 1 non-transient non-community systems (13%) and 1 transient non-community systems (13%). 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 local government (88%) and private (13%).
Water systems in Benton County
🔒 Create a free account to export CSV| # | Water system | County | Population served | Type | Source |
|---|---|---|---|---|---|
| 1 | Fowler Water Works | Benton | 2,342 | Community | Groundwater |
| 2 | Benton Central Jr./Sr. High School | Benton | 1,376 | Non-transient non-community | Groundwater |
| 3 | Otterbein Water Department | Benton | 1,262 | Community | Groundwater |
| 4 | Oxford Water Utility | Benton | 1,200 | Community | Groundwater |
| 5 | Boswell Water Department | Benton | 750 | Community | Groundwater |
| 6 | Earl Park Municipal Water Utility | Benton | 300 | Community | Groundwater |
| 7 | Ambia Water Department | Benton | 250 | Community | Groundwater |
| 8 | Demeter LLC & Dr. Kyle Sheets | Benton | 47 | Transient non-community | Groundwater |
Benton County water systems: frequently asked questions
How many public water systems are in Benton County, Indiana?
EPA's SDWIS records file 8 active public water systems under Benton County, Indiana: 6 community systems (75%), 1 non-transient non-community systems (13%) and 1 transient non-community systems (13%).
Who supplies drinking water in Benton County, IN?
The largest community water systems filed under Benton County are Fowler Water Works (2,342 people served), Otterbein Water Department (1,262 people served) and Oxford Water Utility (1,200 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 Benton County's drinking water come from groundwater or surface water?
Of the 8 active public water systems in Benton County, all draw mainly on groundwater and none on surface water, counting purchased supplies. The largest system, Fowler Water Works, uses groundwater.
Where can I find a water quality report for Benton 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. 6 community systems are filed under Benton 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 Benton 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 Benton County, Indiana”, https://aquacensus.com/water-systems/indiana/benton (data as of October 1, 2026).