Public water system · CO0219100
Active4 Eagle Ranch
At a glance
4 Eagle Ranch (PWSID CO0219100) is an active transient non-community water system in Eagle County, Colorado. It reports serving 470 people through 36 service connections. Its primary water source is surface water, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, 3 are health-based, and the most recent began in July 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
470
Service connections
36
Primary source
SW
Surface water
System type
TNCWS
Transient non-community water system
System record
How does 4 Eagle Ranch compare with other water systems in Eagle County?
By EPA's size categories, 4 Eagle Ranch is a very small system (500 people or fewer). Eagle County has 46 active public water systems. Its population served is well below the county average of 2,242 people per system, and accounts for 0.5% of the 103,152 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 4 Eagle Ranch is about 3.3 times 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. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 228 Colorado systems (10%) list surface water as their primary source.
Who owns and regulates 4 Eagle Ranch?
EPA lists 4 Eagle 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. 28 of the 46 active systems in Eagle County (61%) are also privately owned.
Does 4 Eagle Ranch have drinking water violations?
Of the 12 most recent violations in EPA's records, 3 are health-based, and the most recent began in July 2025. The violations listed here began between October 2024 and July 2025. By type: 5 monitoring and reporting, 4 public notice, recordkeeping or other and 3 required treatment not met. The contaminant or rule involved most often is Surface Water Treatment Rule (7 of them). EPA lists 12 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 |
|---|---|---|---|---|
| 2025-07-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36 | Surface Water Treatment Rulecode 0200 | No | Resolved |
| 2025-07-01 | Monitoring and reportingMonitoring, Turbidity (Enhanced SWTR) · code 38 | Interim Enhanced Surface Water Treatment Rulecode 0300 | No | Resolved |
| 2025-01-13 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2025-01-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36 | Surface Water Treatment Rulecode 0200 | No | Resolved |
| 2025-01-01 | Required treatment not metTreatment Technique (SWTR and GWR) · code 41 | Surface Water Treatment Rulecode 0200 | Yes | Resolved |
| 2024-12-15 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2024-12-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36 | Surface Water Treatment Rulecode 0200 | No | Resolved |
| 2024-12-01 | Required treatment not metTreatment Technique (SWTR and GWR) · code 41 | Surface Water Treatment Rulecode 0200 | Yes | Resolved |
| 2024-11-17 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2024-11-01 | Required treatment not metTreatment Technique (SWTR and GWR) · code 41 | Surface Water Treatment Rulecode 0200 | Yes | Resolved |
| 2024-11-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36 | Surface Water Treatment Rulecode 0200 | No | Resolved |
| 2024-10-27 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
The 12 most recent 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.
4 Eagle Ranch: frequently asked questions
Who runs 4 Eagle Ranch?
4 Eagle Ranch (PWSID CO0219100) is a transient non-community water system privately owned. It is regulated by the CO state drinking water program.
How many people does 4 Eagle Ranch serve?
4 Eagle Ranch reports serving 470 people through 36 service connections in Eagle County, Colorado.
Where does 4 Eagle Ranch get its water?
EPA SDWIS lists this system's primary water source as surface water. Surface water means the system draws its water from rivers, lakes, streams or reservoirs.
Does 4 Eagle Ranch have any drinking water violations?
Of the 12 most recent violations in EPA's records, 3 are health-based, and the most recent began in July 2025. 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 4 Eagle 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. Of the 12 most recent violations in EPA's records, 3 are health-based, and the most recent began in July 2025. For current results, consult EPA ECHO, or the CO state drinking water program.
Where can I find 4 Eagle Ranch's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. 4 Eagle 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 Eagle County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Eagle River Wsd | Eagle | 51,515 | Community | Surface water |
| Gypsum Town of | Eagle | 15,272 | Community | Surface water |
| Vail Assoc Midvail Eagle | Eagle | 7,600 | Non-transient non-community | Purchased surface water |
| Eagle Town of | Eagle | 7,511 | Community | Surface water |
| Mid Valley Md | Eagle | 4,588 | Community | Groundwater |
| Basalt Town of | Eagle | 2,357 | Community | Groundwater under influence of 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, “4 Eagle Ranch, PWSID CO0219100, Colorado”, https://aquacensus.com/water-systems/colorado/4-eagle-ranch-co0219100 (data as of October 1, 2026).