Public water system · CO0235246
ActiveEllis Ranch Event Center
At a glance
Ellis Ranch Event Center (PWSID CO0235246) is an active transient non-community water system in Larimer County, Colorado. It reports serving 157 people through 2 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 March 2017.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
157
Service connections
2
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Ellis Ranch Event Center compare with other water systems in Larimer County?
By EPA's size categories, Ellis Ranch Event Center is a very small system (500 people or fewer). Larimer County has 134 active public water systems. Its population served is well below the county average of 3,842 people per system, and accounts for less than 0.1% of the 514,860 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 Ellis Ranch Event Center is roughly in line with 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 Ellis Ranch Event Center?
EPA lists Ellis Ranch Event Center 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. 86 of the 134 active systems in Larimer County (64%) are also privately owned.
Does Ellis Ranch Event Center have drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in March 2017. By type: 1 monitoring and reporting. The contaminant or rule involved is E. coli. 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 |
|---|---|---|---|---|
| 2017-03-09 | Monitoring and reportingMonitoring, Source Water (GWR) · code 34 | E. colicode 3014 | 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.
Ellis Ranch Event Center: frequently asked questions
Who runs Ellis Ranch Event Center?
Ellis Ranch Event Center (PWSID CO0235246) is a transient non-community water system privately owned. It is regulated by the CO state drinking water program.
How many people does Ellis Ranch Event Center serve?
Ellis Ranch Event Center reports serving 157 people through 2 service connections in Larimer County, Colorado.
Where does Ellis Ranch Event Center 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 Ellis Ranch Event Center 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 March 2017. 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 Ellis Ranch Event Center'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 March 2017. For current results, consult EPA ECHO, or the CO state drinking water program.
Where can I find Ellis Ranch Event Center's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Ellis Ranch Event Center 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 Larimer County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Ft Collins City of | Larimer | 179,901 | Community | Surface water |
| Loveland City of | Larimer | 91,077 | Community | Surface water |
| Ft Collins Loveland Wd | Larimer | 63,532 | Community | Purchased surface water |
| East Larimer County Wd | Larimer | 27,944 | Community | Purchased surface water |
| Csu Main and West Housing Campus | Larimer | 27,375 | Community | Purchased surface water |
| Little Thompson Wd | Larimer | 25,654 | Community | Purchased 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, “Ellis Ranch Event Center, PWSID CO0235246, Colorado”, https://aquacensus.com/water-systems/colorado/ellis-ranch-event-center-co0235246 (data as of October 1, 2026).