Public water system · CO0247550
ActiveLone Rock Conf and Retreat Facility
At a glance
Lone Rock Conf and Retreat Facility (PWSID CO0247550) is an active transient non-community water system in Park County, Colorado. It reports serving 45 people through 19 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list one violation for this system; it is not health-based, and the most recent began in April 2023.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
45
Service connections
19
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Lone Rock Conf and Retreat Facility compare with other water systems in Park County?
By EPA's size categories, Lone Rock Conf and Retreat Facility is a very small system (500 people or fewer). Park County has 76 active public water systems. Its population served is well below the county average of 164 people per system, and accounts for 0.4% 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 Lone Rock Conf and Retreat Facility is well 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 Lone Rock Conf and Retreat Facility?
EPA lists Lone Rock Conf and Retreat Facility 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. 41 of the 76 active systems in Park County (54%) are also privately owned.
Does Lone Rock Conf and Retreat Facility have drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in April 2023. By type: 1 monitoring and reporting. The contaminant or rule involved is Nitrate. EPA lists 1 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 |
|---|---|---|---|---|
| 2023-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
The one violation in EPA's records.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.
Lone Rock Conf and Retreat Facility: frequently asked questions
Who runs Lone Rock Conf and Retreat Facility?
Lone Rock Conf and Retreat Facility (PWSID CO0247550) is a transient non-community water system privately owned. It is regulated by the CO state drinking water program.
How many people does Lone Rock Conf and Retreat Facility serve?
Lone Rock Conf and Retreat Facility reports serving 45 people through 19 service connections in Park County, Colorado.
Where does Lone Rock Conf and Retreat Facility 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 Lone Rock Conf and Retreat Facility have any drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in April 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 Lone Rock Conf and Retreat Facility'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 one violation for this system; it is not health-based, and the most recent began in April 2023. For current results, consult EPA ECHO, or the CO state drinking water program.
Where can I find Lone Rock Conf and Retreat Facility's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Lone Rock Conf and Retreat Facility 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 |
Related pages
Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.
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, “Lone Rock Conf and Retreat Facility, PWSID CO0247550, Colorado”, https://aquacensus.com/water-systems/colorado/lone-rock-conf-and-retreat-facility-co0247550 (data as of October 1, 2026).