Public water system · MT0003152
ActiveEagle Creek Colony
At a glance
Eagle Creek Colony (PWSID MT0003152) is an active community water system in Liberty County, Montana. It reports serving 125 people through 12 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 4 violations for this system; none is health-based, and the most recent began in June 2021.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
125
Service connections
12
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Eagle Creek Colony compare with other water systems in Liberty County?
By EPA's size categories, Eagle Creek Colony is a very small system (500 people or fewer). Liberty County has 8 active public water systems, and Eagle Creek Colony is the 6th-largest of them by population served. Its population served is about half of the county average of 228 people per system, and accounts for 6.8% of the 1,827 people reported by systems filed under the county. Across Montana, the 2,378 active systems average 489 people each. Nationally, the average active community water system reports serving 6,703 people, so Eagle Creek Colony is well below that figure.
What does “community water system” mean?
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. Montana has 853 active community water systems, 36% of the state's 2,378 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 1,994 Montana systems (84%) list groundwater as their primary source.
Who owns and regulates Eagle Creek Colony?
EPA lists Eagle Creek Colony as privately owned. The MT state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 5 of the 8 active systems in Liberty County (63%) are also privately owned.
Does Eagle Creek Colony have drinking water violations?
EPA's records list 4 violations for this system; none is health-based, and the most recent began in June 2021. The violations listed here began between April 1997 and June 2021. By type: 4 monitoring and reporting. The contaminant or rule involved most often is Groundwater Rule (2 of them). EPA lists 4 as resolved. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2021-06-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Unfilt/GWR) · code 31 | Groundwater Rulecode 0700 | No | Resolved |
| 2019-02-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Unfilt/GWR) · code 31 | Groundwater Rulecode 0700 | No | Resolved |
| 2006-08-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1997-04-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
All 4 violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.
Eagle Creek Colony: frequently asked questions
Who runs Eagle Creek Colony?
Eagle Creek Colony (PWSID MT0003152) is a community water system privately owned. It is regulated by the MT state drinking water program.
How many people does Eagle Creek Colony serve?
Eagle Creek Colony reports serving 125 people through 12 service connections in Liberty County, Montana.
Where does Eagle Creek Colony get its water?
EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.
Does Eagle Creek Colony have any drinking water violations?
EPA's records list 4 violations for this system; none is health-based, and the most recent began in June 2021. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.
Is Eagle Creek Colony's water safe to drink?
AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. EPA's records list 4 violations for this system; none is health-based, and the most recent began in June 2021. For current results, consult the system's annual water quality report, EPA ECHO, or the MT state drinking water program.
Where can I find Eagle Creek Colony's water quality report?
As a community water system, Eagle Creek Colony must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.
Other water systems in Liberty County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Chester Town of | Liberty | 870 | Community | Surface water |
| Sage Creek Co Water District | Liberty | 225 | Community | Groundwater |
| Ncmrwa Tiber Service Area | Liberty | 200 | Community | Purchased surface water |
| Sage Creek Colony | Liberty | 130 | Community | Groundwater |
| Riverview Colony | Liberty | 130 | Community | Purchased surface water |
| Hi-Line Colony | Liberty | 92 | Community | Groundwater |
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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, “Eagle Creek Colony, PWSID MT0003152, Montana”, https://aquacensus.com/water-systems/montana/eagle-creek-colony-mt0003152 (data as of October 1, 2026).