Public water system · CO0335220

Active

Aspen Glen Cg

At a glance

Aspen Glen Cg (PWSID CO0335220) is an active transient non-community water system in Larimer County, Colorado. It reports serving 64 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 9 violations for this system; none is health-based, and the most recent began in July 2016.

Dataset updated October 2026 . Source: EPA SDWIS/ECHO public records.

Population served

Service connections

Primary source

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDCO0335220

System typeTransient non-community water system

Activity statusActive

Population served64

Service connections1

Primary water sourceGroundwater

Owner typeFederal government

Primacy agencyCO state drinking water program

City served—

StateColorado

ZIP—

CountyLarimer County

How does Aspen Glen Cg compare with other water systems in Larimer County?

By EPA's size categories, Aspen Glen Cg 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 Aspen Glen Cg is about 56% 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 Aspen Glen Cg?

EPA lists Aspen Glen 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. 26 of the 134 active systems in Larimer County (19%) are also owned by the federal government.

Does Aspen Glen Cg have drinking water violations?

EPA's records list 9 violations for this system; none is health-based, and the most recent began in July 2016. The violations listed here began between January 1994 and July 2016. By type: 8 monitoring and reporting and 1 reporting. The contaminant or rule involved most often is Nitrate (5 of them). EPA lists 9 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
2016-07-10	ReportingReport Startup Procedures Cert Form (RTCR) · code 4C	Revised Total Coliform Rulecode 8000	No	Resolved
2016-01-01	Monitoring and reportingMonitoring, Regular · code 03	Nitratecode 1040	No	Resolved
2014-01-01	Monitoring and reportingMonitoring, Regular · code 03	Nitratecode 1040	No	Resolved
2012-01-01	Monitoring and reportingMonitoring, Regular · code 03	Nitratecode 1040	No	Resolved
2011-01-01	Monitoring and reportingMonitoring, Regular · code 03	Nitritecode 1041	No	Resolved
2008-06-01	Monitoring and reportingMonitoring, Routine Major (TCR) · code 23	Total coliform bacteria (TCR)code 3100	No	Resolved
2008-01-01	Monitoring and reportingMonitoring, Regular · code 03	Nitratecode 1040	No	Resolved
2002-09-01	Monitoring and reportingMonitoring, Routine Major (TCR) · code 23	Total coliform bacteria (TCR)code 3100	No	Resolved
1994-01-01	Monitoring and reportingMonitoring, Regular · code 03	Nitratecode 1040	No	Resolved

All 9 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.

Aspen Glen Cg: frequently asked questions

Who runs Aspen Glen Cg?

Aspen Glen Cg (PWSID CO0335220) 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 Aspen Glen Cg serve?

Aspen Glen Cg reports serving 64 people through 1 service connection in Larimer County, Colorado.

Where does Aspen Glen 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 Aspen Glen Cg have any drinking water violations?

EPA's records list 9 violations for this system; none is health-based, and the most recent began in July 2016. 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 Aspen Glen 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 9 violations for this system; none is health-based, and the most recent began in July 2016. For current results, consult EPA ECHO, or the CO state drinking water program.

Where can I find Aspen Glen Cg's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Aspen Glen 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 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, “Aspen Glen Cg, PWSID CO0335220, Colorado”, https://aquacensus.com/water-systems/colorado/aspen-glen-cg-co0335220 (data as of October 1, 2026).