Martin County, Indiana — public water systems
At a glance
5 active public water systems are filed under Martin County, Indiana in EPA's SDWIS records, together reporting 14,412 people served. The largest is Naval Weapons Station, Crane, which reports serving 6,538 people. All 5 are community water systems serving people where they live.
Dataset updated . Source: EPA SDWIS/ECHO, refreshed quarterly.
Active systems
5
Population served
14.4K
Community systems
5
Groundwater share
80%
How does Martin County compare with other Indiana counties?
Martin County has the 89th-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 14,412 people served in total, the 73rd-largest county figure in the state and 0.2% of the statewide total. The average system here reports serving 2,882 people, about twice 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 Martin County's drinking water come from?
By primary water source, Martin County's active systems draw on groundwater (3, 60%), purchased groundwater (1, 20%) and surface water (1, 20%). Overall, 80% rely mainly on groundwater (including purchased groundwater) and 20% 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, Naval Weapons Station, Crane, draws primarily on surface water.
What kinds of water systems operate in Martin County?
Martin County's active systems break down as 5 community systems (100%). 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. EPA lists their owner types as local government (60%), federal government (20%) and private (20%).
Water systems in Martin County
🔒 Create a free account to export CSV| # | Water system | County | Population served | Type | Source |
|---|---|---|---|---|---|
| 1 | Naval Weapons Station, Crane | Martin | 6,538 | Community | Surface water |
| 2 | East Fork Water | Martin | 3,485 | Community | Groundwater |
| 3 | Loogootee Water Works | Martin | 2,800 | Community | Groundwater |
| 4 | Shoals Water Company | Martin | 1,296 | Community | Groundwater |
| 5 | Crane Water Works | Martin | 293 | Community | Purchased groundwater |
Martin County water systems: frequently asked questions
How many public water systems are in Martin County, Indiana?
EPA's SDWIS records file 5 active public water systems under Martin County, Indiana: 5 community systems (100%).
Who supplies drinking water in Martin County, IN?
The largest community water systems filed under Martin County are Naval Weapons Station, Crane (6,538 people served), East Fork Water (3,485 people served) and Loogootee Water Works (2,800 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 Martin County's drinking water come from groundwater or surface water?
Of the 5 active public water systems in Martin County, 80% draw mainly on groundwater and 20% on surface water, counting purchased supplies. The largest system, Naval Weapons Station, Crane, uses surface water.
Where can I find a water quality report for Martin 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. 5 community systems are filed under Martin 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 Martin 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 Martin County, Indiana”, https://aquacensus.com/water-systems/indiana/martin (data as of October 1, 2026).