Public water system · CO0225122
ActiveArapaho Valley Ranch
At a glance
Arapaho Valley Ranch (PWSID CO0225122) is an active transient non-community water system in Grand County, Colorado. It reports serving 185 people through 26 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
185
Service connections
26
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Arapaho Valley Ranch compare with other water systems in Grand County?
By EPA's size categories, Arapaho Valley Ranch is a very small system (500 people or fewer). Grand County has 77 active public water systems. Its population served is well below the county average of 728 people per system, and accounts for 0.3% of the 56,067 people reported by systems filed under the county. Across Colorado, the 2,207 active systems average 3,400 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Arapaho Valley Ranch is about 29% above that figure.
What does “transient non-community water system” mean?
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. Colorado has 956 active transient non-community water systems, 43% 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 Arapaho Valley Ranch?
EPA lists Arapaho Valley Ranch 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. 46 of the 77 active systems in Grand County (60%) are also privately owned.
Does Arapaho Valley Ranch 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 Arapaho Valley Ranch. For the latest compliance status, check EPA ECHO for current compliance history.
Arapaho Valley Ranch: frequently asked questions
Who runs Arapaho Valley Ranch?
Arapaho Valley Ranch (PWSID CO0225122) is a transient non-community water system privately owned. It is regulated by the CO state drinking water program.
How many people does Arapaho Valley Ranch serve?
Arapaho Valley Ranch reports serving 185 people through 26 service connections in Grand County, Colorado.
Where does Arapaho Valley Ranch 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 Arapaho Valley Ranch have any drinking water violations?
EPA's Safe Drinking Water Act records list no violations for this system.
Is Arapaho Valley Ranch'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 EPA ECHO, or the CO state drinking water program.
Where can I find Arapaho Valley Ranch's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Arapaho Valley Ranch is a transient non-community water system, so it is not required to publish one; like every public water system, it must notify the people it serves about violations under EPA's public notification rules.
Other water systems in Grand County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Winter Park Wsd | Grand | 6,635 | Community | Surface water |
| Grand County Water No 1 | Grand | 5,400 | Community | Surface water |
| Winter Park Resort Sunspot | Grand | 5,006 | Transient non-community | Groundwater |
| Winter Park Resort Lunch Rock | Grand | 5,001 | Transient non-community | Groundwater |
| Winter Park Resort Snoasis | Grand | 5,001 | Transient non-community | Groundwater |
| Winter Park Ranch Wsd | Grand | 3,250 | 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, “Arapaho Valley Ranch, PWSID CO0225122, Colorado”, https://aquacensus.com/water-systems/colorado/arapaho-valley-ranch-co0225122 (data as of October 1, 2026).