Powder River County, Montana — public water systems
At a glance
3 active public water systems are filed under Powder River County, Montana in EPA's SDWIS records, together reporting 730 people served. The largest is Town of Broadus, which reports serving 450 people. 1 is a community water system 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
3
Population served
730
Community systems
1
Groundwater share
100%
How does Powder River County compare with other Montana counties?
Powder River County has the 53rd-most active public water systems among the 76 counties listed for active Montana systems in EPA records; among the 55 with 3 or more systems, the median has 16. Its systems report 730 people served in total, the 53rd-largest county figure in the state and less than 0.1% of the statewide total. The average system here reports serving 243 people, about half of the Montana average of 489. 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 Powder River County's drinking water come from?
By primary water source, Powder River County's active systems draw on groundwater (2, 67%) and purchased groundwater (1, 33%). Overall, all rely mainly on groundwater (including purchased groundwater) and none on surface water, compared with 89% and 11% across Montana. Groundwater means the system draws its water from wells or springs fed by underground aquifers. The county's largest system, Town of Broadus, draws primarily on groundwater.
What kinds of water systems operate in Powder River County?
Powder River County's active systems break down as 1 community systems (33%) and 2 transient non-community systems (67%). 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 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 (33%), private (33%) and state government (33%).
Water systems in Powder River County
🔒 Create a free account to export CSV| # | Water system | County | Population served | Type | Source |
|---|---|---|---|---|---|
| 1 | Broadus Town of | Powder River | 450 | Community | Groundwater |
| 2 | Broadus Rest Area | Powder River | 255 | Transient non-community | Groundwater |
| 3 | Broadus Iga | Powder River | 25 | Transient non-community | Purchased groundwater |
Powder River County water systems: frequently asked questions
How many public water systems are in Powder River County, Montana?
EPA's SDWIS records file 3 active public water systems under Powder River County, Montana: 1 community systems (33%) and 2 transient non-community systems (67%).
Who supplies drinking water in Powder River County, MT?
The largest community water system filed under Powder River County is Town of Broadus (450 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 Powder River County's drinking water come from groundwater or surface water?
Of the 3 active public water systems in Powder River County, all draw mainly on groundwater and none on surface water, counting purchased supplies. The largest system, Town of Broadus, uses groundwater.
Where can I find a water quality report for Powder River 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. 1 community system is filed under Powder River 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 Powder River 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 Montana water systems
- All Montana public water systems· 2,378 active
- Carter County· 5 systems
- Roosevelt County· 4 systems
- Fallon County· 4 systems
- Golden Valley County· 4 systems
- Treasure County· 3 systems
- McKenzie County· 3 systems
- How to find out who supplies your drinking water
- How to find and read your annual water quality report
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 Powder River County, Montana”, https://aquacensus.com/water-systems/montana/powder-river (data as of October 1, 2026).