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Public water system · CO0235677

Active

Red Feather Mountain Library District

At a glance

Red Feather Mountain Library District (PWSID CO0235677) is an active transient non-community water system in Larimer County, Colorado. It reports serving 38 people through 1 service connection. Its primary water source is groundwater under influence of surface water, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, 4 are health-based, and the most recent began in August 2024.

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

Population served

38

Service connections

1

Primary source

GU

Groundwater under influence of surface water

System type

TNCWS

Transient non-community water system

System record

PWSIDCO0235677
System typeTransient non-community water system
Activity statusActive
Population served38
Service connections1
Primary water sourceGroundwater under influence of surface water
Owner typeLocal government
Primacy agencyCO state drinking water program
City served—
StateColorado
ZIP—
CountyLarimer County

How does Red Feather Mountain Library District compare with other water systems in Larimer County?

By EPA's size categories, Red Feather Mountain Library District 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 Red Feather Mountain Library District 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 under the influence of surface water is well or spring water that the regulator has found to be affected by nearby surface water, so it is regulated under the surface-water treatment rules. 166 Colorado systems (7.5%) list groundwater under influence of surface water as their primary source.

Who owns and regulates Red Feather Mountain Library District?

EPA lists Red Feather Mountain Library District as owned by a local 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 134 active systems in Larimer County (16%) are also owned by a local government.

Does Red Feather Mountain Library District have drinking water violations?

Of the 12 most recent violations in EPA's records, 4 are health-based, and the most recent began in August 2024. The violations listed here began between October 2008 and August 2024. By type: 8 monitoring and reporting and 4 required treatment not met. The contaminant or rule involved most often is Surface Water Treatment Rule (7 of them). EPA lists 12 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.

BeganViolationContaminant or ruleHealth-basedStatus
2024-08-01Required treatment not metTreatment Technique (SWTR and GWR) · code 41Surface Water Treatment Rulecode 0200YesResolved
2024-07-01Required treatment not metTreatment Technique (SWTR and GWR) · code 41Surface Water Treatment Rulecode 0200YesResolved
2012-06-01Required treatment not metTreatment Technique (SWTR and GWR) · code 41Surface Water Treatment Rulecode 0200YesResolved
2010-09-01Monitoring and reportingMonitoring, Turbidity (Enhanced SWTR) · code 38Interim Enhanced Surface Water Treatment Rulecode 0300NoResolved
2010-09-01Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36Surface Water Treatment Rulecode 0200NoResolved
2010-08-01Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36Surface Water Treatment Rulecode 0200NoResolved
2010-08-01Monitoring and reportingMonitoring, Turbidity (Enhanced SWTR) · code 38Interim Enhanced Surface Water Treatment Rulecode 0300NoResolved
2010-07-01Monitoring and reportingMonitoring, Turbidity (Enhanced SWTR) · code 38Interim Enhanced Surface Water Treatment Rulecode 0300NoResolved
2010-07-01Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36Surface Water Treatment Rulecode 0200NoResolved
2010-03-01Required treatment not metFailure to Filter (SWTR) · code 42Surface Water Treatment Rulecode 0200YesResolved
2008-11-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2008-10-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved

The 12 most recent 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.

Red Feather Mountain Library District: frequently asked questions

Who runs Red Feather Mountain Library District?

Red Feather Mountain Library District (PWSID CO0235677) is a transient non-community water system owned by a local government. It is regulated by the CO state drinking water program.

How many people does Red Feather Mountain Library District serve?

Red Feather Mountain Library District reports serving 38 people through 1 service connection in Larimer County, Colorado.

Where does Red Feather Mountain Library District get its water?

EPA SDWIS lists this system's primary water source as groundwater under influence of surface water. Groundwater under the influence of surface water is well or spring water that the regulator has found to be affected by nearby surface water, so it is regulated under the surface-water treatment rules.

Does Red Feather Mountain Library District have any drinking water violations?

Of the 12 most recent violations in EPA's records, 4 are health-based, and the most recent began in August 2024. 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 Red Feather Mountain Library District'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. Of the 12 most recent violations in EPA's records, 4 are health-based, and the most recent began in August 2024. For current results, consult EPA ECHO, or the CO state drinking water program.

Where can I find Red Feather Mountain Library District's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Red Feather Mountain Library District 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 systemCountyPopulation servedTypeSource
Ft Collins City ofLarimer179,901CommunitySurface water
Loveland City ofLarimer91,077CommunitySurface water
Ft Collins Loveland WdLarimer63,532CommunityPurchased surface water
East Larimer County WdLarimer27,944CommunityPurchased surface water
Csu Main and West Housing CampusLarimer27,375CommunityPurchased surface water
Little Thompson WdLarimer25,654CommunityPurchased 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, “Red Feather Mountain Library District, PWSID CO0235677, Colorado”, https://aquacensus.com/water-systems/colorado/red-feather-mountain-library-district-co0235677 (data as of October 1, 2026).