Public water system · CO0325165
ActiveIdlewild Cg
At a glance
Idlewild Cg (PWSID CO0325165) is an active transient non-community water system in Grand County, Colorado. It reports serving 64 people through 5 service connections. Its primary water source is groundwater, and EPA lists it as owned by the federal government. EPA's records list 3 violations for this system; 1 is health-based, and the most recent began in June 2012.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
64
Service connections
5
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Idlewild Cg compare with other water systems in Grand County?
By EPA's size categories, Idlewild Cg 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 0.1% 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 Idlewild Cg is about 56% below 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 Idlewild Cg?
EPA lists Idlewild Cg as owned by the federal government. 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. 14 of the 77 active systems in Grand County (18%) are also owned by the federal government.
Does Idlewild Cg have drinking water violations?
EPA's records list 3 violations for this system; 1 is health-based, and the most recent began in June 2012. The violations listed here began between May 2010 and June 2012. By type: 1 public notice, recordkeeping or other, 1 required treatment not met and 1 monitoring and reporting. The contaminants or rules involved are Public Notice, Groundwater Rule and Total coliform bacteria (TCR). 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 |
|---|---|---|---|---|
| 2012-06-16 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2011-02-05 | Required treatment not metFailure To Address Deficiency · code 45 | Groundwater Rulecode 0700 | Yes | Resolved |
| 2010-05-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | 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.
Idlewild Cg: frequently asked questions
Who runs Idlewild Cg?
Idlewild Cg (PWSID CO0325165) is a transient non-community water system owned by the federal government. It is regulated by the CO state drinking water program.
How many people does Idlewild Cg serve?
Idlewild Cg reports serving 64 people through 5 service connections in Grand County, Colorado.
Where does Idlewild Cg 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 Idlewild Cg have any drinking water violations?
EPA's records list 3 violations for this system; 1 is health-based, and the most recent began in June 2012. 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 Idlewild Cg'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; 1 is health-based, and the most recent began in June 2012. For current results, consult EPA ECHO, or the CO state drinking water program.
Where can I find Idlewild Cg's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Idlewild Cg 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, “Idlewild Cg, PWSID CO0325165, Colorado”, https://aquacensus.com/water-systems/colorado/idlewild-cg-co0325165 (data as of October 1, 2026).