Public water system · MT0001923
ActiveGreenacres County Water and Sewer Dist
At a glance
Greenacres County Water and Sewer Dist (PWSID MT0001923) is an active community water system in Flathead County, Montana. It reports serving 450 people through 163 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 3 violations for this system; none is health-based, and the most recent began in June 2020.
This page covers its drinking water system only; sewer and wastewater service are not part of EPA's drinking water records.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
450
Service connections
163
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Greenacres County Water and Sewer Dist compare with other water systems in Flathead County?
By EPA's size categories, Greenacres County Water and Sewer Dist is a very small system (500 people or fewer). Flathead County has 327 active public water systems. Its population served is about 39% above the county average of 324 people per system, and accounts for 0.4% of the 105,781 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 Greenacres County Water and Sewer Dist 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 Greenacres County Water and Sewer Dist?
EPA lists Greenacres County Water and Sewer Dist as owned by a local government. 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. 38 of the 327 active systems in Flathead County (12%) are also owned by a local government.
Does Greenacres County Water and Sewer Dist have drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in June 2020. The violations listed here began between July 1993 and June 2020. By type: 2 monitoring and reporting and 1 monitoring. The contaminants or rules involved are Revised Total Coliform Rule, Di(2-ethylhexyl) phthalate and Lead and Copper Rule. EPA lists 3 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 |
|---|---|---|---|---|
| 2020-06-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2006-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Di(2-ethylhexyl) phthalatecode 2039 | No | Resolved |
| 1993-07-01 | Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51 | Lead and Copper Rulecode 5000 | No | Resolved |
All 3 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.
Greenacres County Water and Sewer Dist: frequently asked questions
Who runs Greenacres County Water and Sewer Dist?
Greenacres County Water and Sewer Dist (PWSID MT0001923) is a community water system owned by a local government. It is regulated by the MT state drinking water program.
How many people does Greenacres County Water and Sewer Dist serve?
Greenacres County Water and Sewer Dist reports serving 450 people through 163 service connections in Flathead County, Montana.
Where does Greenacres County Water and Sewer Dist 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 Greenacres County Water and Sewer Dist have any drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in June 2020. 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 Greenacres County Water and Sewer Dist'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 3 violations for this system; none is health-based, and the most recent began in June 2020. For current results, consult the system's annual water quality report, EPA ECHO, or the MT state drinking water program.
Where can I find Greenacres County Water and Sewer Dist's water quality report?
As a community water system, Greenacres County Water and Sewer Dist 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 Flathead County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Kalispell Public Works | Flathead | 25,000 | Community | Groundwater |
| Whitefish City of | Flathead | 10,418 | Community | Surface water |
| Flathead County Water and Sewer | Flathead | 7,775 | Community | Groundwater |
| Bigfork County Water and Sewer | Flathead | 6,100 | Community | Groundwater |
| Columbia Falls City of | Flathead | 4,450 | Community | Groundwater |
| Ridge Run | Flathead | 3,500 | Transient non-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, “Greenacres County Water and Sewer Dist, PWSID MT0001923, Montana”, https://aquacensus.com/water-systems/montana/greenacres-county-water-and-sewer-dist-mt0001923 (data as of October 1, 2026).