Public water system · CO0229466
ActiveLake John Resort
At a glance
Lake John Resort (PWSID CO0229466) is an active transient non-community water system in Jackson County, Colorado. It reports serving 52 people through 36 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 6 violations for this system; none is health-based, and the most recent began in May 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
52
Service connections
36
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Lake John Resort compare with other water systems in Jackson County?
By EPA's size categories, Lake John Resort is a very small system (500 people or fewer). Jackson County has 13 active public water systems. Its population served is well below the county average of 172 people per system, and accounts for 2.3% of the 2,234 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 Lake John Resort is about 64% 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 Lake John Resort?
EPA lists Lake John Resort 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. 6 of the 13 active systems in Jackson County (46%) are also privately owned.
Does Lake John Resort have drinking water violations?
EPA's records list 6 violations for this system; none is health-based, and the most recent began in May 2025. The violations listed here began between April 2000 and May 2025. By type: 5 monitoring and reporting and 1 monitoring. The contaminant or rule involved most often is Total coliform bacteria (TCR) (4 of them). EPA lists 6 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 |
|---|---|---|---|---|
| 2025-05-25 | Monitoring and reportingMonitoring, Source Water (GWR) · code 34 | E. colicode 3014 | No | Resolved |
| 2025-01-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2015-07-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2014-01-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2000-10-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2000-04-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
All 6 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.
Lake John Resort: frequently asked questions
Who runs Lake John Resort?
Lake John Resort (PWSID CO0229466) is a transient non-community water system privately owned. It is regulated by the CO state drinking water program.
How many people does Lake John Resort serve?
Lake John Resort reports serving 52 people through 36 service connections in Jackson County, Colorado.
Where does Lake John Resort 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 Lake John Resort have any drinking water violations?
EPA's records list 6 violations for this system; none is health-based, and the most recent began in May 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 Lake John Resort'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 6 violations for this system; none is health-based, and the most recent began in May 2025. For current results, consult EPA ECHO, or the CO state drinking water program.
Where can I find Lake John Resort's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Lake John Resort 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 Jackson County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| State Park Moose Visitor Center | Jackson | 615 | Transient non-community | Groundwater |
| Walden Town of | Jackson | 600 | Community | Surface water |
| North Michigan Cg | Jackson | 242 | Transient non-community | Groundwater |
| Ranger Lakes | Jackson | 192 | Transient non-community | Groundwater |
| Sentinel Mountain Rv Park and Quickstop | Jackson | 152 | Transient non-community | Groundwater |
| Eagles Watch Hoa | Jackson | 83 | 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, “Lake John Resort, PWSID CO0229466, Colorado”, https://aquacensus.com/water-systems/colorado/lake-john-resort-co0229466 (data as of October 1, 2026).