Hill County, Montana — public water systems

At a glance

16 active public water systems are filed under Hill County, Montana in EPA's SDWIS records, together reporting 14,962 people served. The largest is City of Havre, which reports serving 9,921 people. 9 are community water systems serving people where they live; the other 7 are non-community systems, such as schools, workplaces, campgrounds and gas stations with their own supply.

Dataset updated October 2026 . Source: EPA SDWIS/ECHO, refreshed quarterly.

Active systems

Population served

15K

Community systems

Groundwater share

50%

How does Hill County compare with other Montana counties?

Hill County has the 31st-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 14,962 people served in total, the 13th-largest county figure in the state and 1.3% of the statewide total. The average system here reports serving 935 people, about twice 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 Hill County's drinking water come from?

By primary water source, Hill County's active systems draw on groundwater (8, 50%), purchased surface water (7, 44%) and surface water (1, 6.3%). Overall, 50% rely mainly on groundwater (including purchased groundwater) and 50% 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, City of Havre, draws primarily on surface water.

What kinds of water systems operate in Hill County?

Hill County's active systems break down as 9 community systems (56%), 3 non-transient non-community systems (19%) and 4 transient non-community systems (25%). 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 (63%), local government (31%) and state government (6.3%).

Water systems in Hill County

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Active public water systems in Hill County, Montana
#	Water system	County	Population served	Type	Source
1	Havre City of	Hill	9,921	Community	Surface water
2	Msu Northern	Hill	1,937	Non-transient non-community	Purchased surface water
3	Hill County Water Districts	Hill	1,720	Community	Groundwater
4	Box Elder School District 13g	Hill	500	Non-transient non-community	Groundwater
5	Beaver Creek Golf Course	Hill	128	Transient non-community	Groundwater
6	East End Colony Inc.	Hill	100	Community	Groundwater
7	North Havre County Water Dist	Hill	90	Community	Purchased surface water
8	Ncmrwa North Havre Cwd Leg	Hill	90	Community	Purchased surface water
9	Hidden Valley Colony	Hill	80	Community	Groundwater
10	Hilldale Colony	Hill	79	Community	Purchased surface water
11	Kiwanis Camp Beaver Cr Park	Hill	77	Transient non-community	Groundwater
12	Cool Spring Colony	Hill	75	Community	Groundwater
13	Gildford Colony	Hill	70	Community	Groundwater
14	Stokes Market Havre	Hill	45	Transient non-community	Purchased surface water
15	Primo Refill Wal-Mart No 4247	Hill	25	Transient non-community	Purchased surface water
16	Aquatana	Hill	25	Non-transient non-community	Purchased surface water

Hill County water systems: frequently asked questions

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

EPA's SDWIS records file 16 active public water systems under Hill County, Montana: 9 community systems (56%), 3 non-transient non-community systems (19%) and 4 transient non-community systems (25%).

Who supplies drinking water in Hill County, MT?

The largest community water systems filed under Hill County are City of Havre (9,921 people served), Hill County Water Districts (1,720 people served) and East End Colony Inc. (100 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 Hill County's drinking water come from groundwater or surface water?

Of the 16 active public water systems in Hill County, 50% draw mainly on groundwater and 50% on surface water, counting purchased supplies. The largest system, City of Havre, uses surface water.

Where can I find a water quality report for Hill 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. 9 community systems are filed under Hill 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 Hill 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 Hill County, Montana”, https://aquacensus.com/water-systems/montana/hill (data as of October 1, 2026).