Public water system · CO0347490
ActiveLost Park Cg
At a glance
Lost Park Cg (PWSID CO0347490) is an active transient non-community water system in Park County, Colorado. It reports serving 72 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as owned by the federal government. EPA's records list 7 violations for this system; none is health-based, and the most recent began in July 2023.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
72
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Lost Park Cg compare with other water systems in Park County?
By EPA's size categories, Lost Park Cg is a very small system (500 people or fewer). Park County has 76 active public water systems. Its population served is about 56% below the county average of 164 people per system, and accounts for 0.6% of the 12,448 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 Lost Park Cg is about half of 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 Lost Park Cg?
EPA lists Lost Park 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. 21 of the 76 active systems in Park County (28%) are also owned by the federal government.
Does Lost Park Cg have drinking water violations?
EPA's records list 7 violations for this system; none is health-based, and the most recent began in July 2023. The violations listed here began between April 1998 and July 2023. By type: 3 monitoring and reporting, 2 monitoring, 1 reporting and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Revised Total Coliform Rule (3 of them). EPA lists 6 as resolved and 1 as unaddressed. 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. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2023-07-02 | Monitoring and reportingMonitoring, Source Water (GWR) · code 34 | E. colicode 3014 | No | Resolved |
| 2022-07-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2022-06-11 | ReportingReport Startup Procedures Cert Form (RTCR) · code 4C | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2020-09-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2019-06-20 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Unaddressed |
| 2005-06-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1998-04-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
All 7 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.
Lost Park Cg: frequently asked questions
Who runs Lost Park Cg?
Lost Park Cg (PWSID CO0347490) 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 Lost Park Cg serve?
Lost Park Cg reports serving 72 people through 1 service connection in Park County, Colorado.
Where does Lost Park 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 Lost Park Cg have any drinking water violations?
EPA's records list 7 violations for this system; none is health-based, and the most recent began in July 2023. 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 Lost Park 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 7 violations for this system; none is health-based, and the most recent began in July 2023. For current results, consult EPA ECHO, or the CO state drinking water program.
Where can I find Lost Park Cg's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Lost Park 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 Park County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Fairplay Town of | Park | 909 | Community | Groundwater under influence of surface water |
| Badger Basin Country Store | Park | 856 | Transient non-community | Groundwater |
| Camp Alexander Boy Scouts | Park | 785 | Transient non-community | Groundwater under influence of surface water |
| Deer Creek Md | Park | 662 | Non-transient non-community | Groundwater |
| Camp Id Ra Ha Je | Park | 522 | Transient non-community | Groundwater |
| Bailey Wsd | Park | 483 | 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, “Lost Park Cg, PWSID CO0347490, Colorado”, https://aquacensus.com/water-systems/colorado/lost-park-cg-co0347490 (data as of October 1, 2026).