Public water system · CO0223279
ActiveFour Mile Ranch Hoa
At a glance
Four Mile Ranch Hoa (PWSID CO0223279) is an active community water system in Garfield County, Colorado. It reports serving 70 people through 23 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's Safe Drinking Water Act records list no violations for this system.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
70
Service connections
23
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Four Mile Ranch Hoa compare with other water systems in Garfield County?
By EPA's size categories, Four Mile Ranch Hoa is a very small system (500 people or fewer). Garfield County has 83 active public water systems. Its population served is well below the county average of 728 people per system, and accounts for 0.1% of the 60,386 people reported by systems filed under the county. Across Colorado, the 2,207 active systems average 3,400 people each. Nationally, the average active community water system reports serving 6,703 people, so Four Mile Ranch Hoa 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. Colorado has 1,068 active community water systems, 48% of the state's 2,207 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 1,437 Colorado systems (65%) list groundwater as their primary source.
Who owns and regulates Four Mile Ranch Hoa?
EPA lists Four Mile Ranch Hoa as privately owned. The CO state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 64 of the 83 active systems in Garfield County (77%) are also privately owned.
Does Four Mile Ranch Hoa have drinking water violations?
No SDWA violations on record.
EPA's SDWA violation and enforcement data (via EPA ECHO, updated quarterly) lists no violations for Four Mile Ranch Hoa. For the latest compliance status, check EPA ECHO for current compliance history.
Four Mile Ranch Hoa: frequently asked questions
Who runs Four Mile Ranch Hoa?
Four Mile Ranch Hoa (PWSID CO0223279) is a community water system privately owned. It is regulated by the CO state drinking water program.
How many people does Four Mile Ranch Hoa serve?
Four Mile Ranch Hoa reports serving 70 people through 23 service connections in Garfield County, Colorado.
Where does Four Mile Ranch Hoa 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 Four Mile Ranch Hoa have any drinking water violations?
EPA's Safe Drinking Water Act records list no violations for this system.
Is Four Mile Ranch Hoa'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 Safe Drinking Water Act records list no violations for this system. For current results, consult the system's annual water quality report, EPA ECHO, or the CO state drinking water program.
Where can I find Four Mile Ranch Hoa's water quality report?
As a community water system, Four Mile Ranch Hoa 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 Garfield County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Rifle City of | Garfield | 9,489 | Community | Surface water |
| Glenwood Springs City of | Garfield | 9,428 | Community | Surface water |
| Carbondale Town of | Garfield | 6,700 | Community | Surface water |
| New Castle Town of | Garfield | 5,024 | Community | Surface water |
| Battlement Mesa Md | Garfield | 4,100 | Community | Surface water |
| Silt Town of | Garfield | 3,536 | Community | Surface water |
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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, “Four Mile Ranch Hoa, PWSID CO0223279, Colorado”, https://aquacensus.com/water-systems/colorado/four-mile-ranch-hoa-co0223279 (data as of October 1, 2026).