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Garfield County, Montana — public water systems

At a glance

6 active public water systems are filed under Garfield County, Montana in EPA's SDWIS records, together reporting 1,006 people served. The largest is Town of Jordan, which reports serving 364 people. 1 is a community water system serving people where they live; the other 5 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

6

Population served

1K

Community systems

1

Groundwater share

100%

How does Garfield County compare with other Montana counties?

Garfield County has the 48th-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 1,006 people served in total, the 51st-largest county figure in the state and less than 0.1% of the statewide total. The average system here reports serving 168 people, about 66% below 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 Garfield County's drinking water come from?

By primary water source, Garfield County's active systems draw on groundwater (5, 83%) and purchased groundwater (1, 17%). 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 Jordan, draws primarily on groundwater.

What kinds of water systems operate in Garfield County?

Garfield County's active systems break down as 1 community systems (17%) and 5 transient non-community systems (83%). 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 state government (50%), local government (17%), public/private partnership (17%) and private (17%).

Water systems in Garfield County

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Active public water systems in Garfield County, Montana
#Water systemCountyPopulation servedTypeSource
1Jordan Town ofGarfield364CommunityGroundwater
2Under Canvas Bryce CanyonGarfield240Transient non-communityGroundwater
3Hell Creek Recreation Area LLCGarfield202Transient non-communityGroundwater
4Mosby Rest AreaGarfield100Transient non-communityGroundwater
5Hell Creek MarinaGarfield50Transient non-communityPurchased groundwater
6Flowing Wells Rest StopGarfield50Transient non-communityGroundwater

Garfield County water systems: frequently asked questions

How many public water systems are in Garfield County, Montana?

EPA's SDWIS records file 6 active public water systems under Garfield County, Montana: 1 community systems (17%) and 5 transient non-community systems (83%).

Who supplies drinking water in Garfield County, MT?

The largest community water system filed under Garfield County is Town of Jordan (364 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 Garfield County's drinking water come from groundwater or surface water?

Of the 6 active public water systems in Garfield County, all draw mainly on groundwater and none on surface water, counting purchased supplies. The largest system, Town of Jordan, uses groundwater.

Where can I find a water quality report for Garfield 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 Garfield 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 Garfield 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

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 Garfield County, Montana”, https://aquacensus.com/water-systems/montana/garfield (data as of October 1, 2026).