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Public water system · CO0249123

Active

Aspen Ski Co Sundeck

At a glance

Aspen Ski Co Sundeck (PWSID CO0249123) is an active transient non-community water system in Pitkin County, Colorado. It reports serving 1,801 people through 7 service connections. Its primary water source is groundwater under influence of surface water, and EPA lists it as privately owned. EPA's records list 9 violations for this system; none is health-based, and the most recent began in June 2025.

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

Population served

1,801

Service connections

7

Primary source

GU

Groundwater under influence of surface water

System type

TNCWS

Transient non-community water system

System record

PWSIDCO0249123
System typeTransient non-community water system
Activity statusActive
Population served1,801
Service connections7
Primary water sourceGroundwater under influence of surface water
Owner typePrivate
Primacy agencyCO state drinking water program
City served—
StateColorado
ZIP—
CountyPitkin County

How does Aspen Ski Co Sundeck compare with other water systems in Pitkin County?

By EPA's size categories, Aspen Ski Co Sundeck is a small system (501 to 3,300 people). Pitkin County has 49 active public water systems, and Aspen Ski Co Sundeck is the 5th-largest of them by population served. Its population served is about 66% above the county average of 1,085 people per system, and accounts for 3.4% of the 53,175 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 Ski Co Sundeck is about 13 times 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 Aspen Ski Co Sundeck?

EPA lists Aspen Ski Co Sundeck 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. 35 of the 49 active systems in Pitkin County (71%) are also privately owned.

Does Aspen Ski Co Sundeck have drinking water violations?

EPA's records list 9 violations for this system; none is health-based, and the most recent began in June 2025. The violations listed here began between January 1994 and June 2025. By type: 7 monitoring and reporting and 2 reporting. The contaminant or rule involved most often is E. coli (2 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.

BeganViolationContaminant or ruleHealth-basedStatus
2025-06-01Monitoring and reportingMonitoring, Source Water (LT2) · code 32E. colicode 3014NoResolved
2025-04-01Monitoring and reportingMonitoring, Source Water (LT2) · code 32E. colicode 3014NoResolved
2025-01-01ReportingReport Sample Result/Fail Monitor (RTCR) · code 4BRevised Total Coliform Rulecode 8000NoResolved
2025-01-01Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36Surface Water Treatment Rulecode 0200NoResolved
2024-09-01Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36Surface Water Treatment Rulecode 0200NoResolved
2024-09-01ReportingReport Sample Result/Fail Monitor (RTCR) · code 4BRevised Total Coliform Rulecode 8000NoResolved
1996-03-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
1994-12-01Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24Total coliform bacteria (TCR)code 3100NoResolved
1994-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved

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 Ski Co Sundeck: frequently asked questions

Who runs Aspen Ski Co Sundeck?

Aspen Ski Co Sundeck (PWSID CO0249123) is a transient non-community water system privately owned. It is regulated by the CO state drinking water program.

How many people does Aspen Ski Co Sundeck serve?

Aspen Ski Co Sundeck reports serving 1,801 people through 7 service connections in Pitkin County, Colorado.

Where does Aspen Ski Co Sundeck 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 Aspen Ski Co Sundeck have any drinking water violations?

EPA's records list 9 violations for this system; none is health-based, and the most recent began in June 2025. 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 Ski Co Sundeck'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 June 2025. For current results, consult EPA ECHO, or the CO state drinking water program.

Where can I find Aspen Ski Co Sundeck's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Aspen Ski Co Sundeck 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 Pitkin County

Water systemCountyPopulation servedTypeSource
Aspen City ofPitkin31,100CommunitySurface water
Snowmass Village WsdPitkin6,353CommunitySurface water
Aspen Ski Corp Hi Alpine L9Pitkin2,900Transient non-communitySurface water
Aspen Ski Corp Garrett GulchPitkin2,630Transient non-communitySurface water
Aspen Ski Corp Elk CampPitkin1,380Transient non-communitySurface water
Aspen Ski Co Cliff HousePitkin1,002Transient non-communityGroundwater

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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 Ski Co Sundeck, PWSID CO0249123, Colorado”, https://aquacensus.com/water-systems/colorado/aspen-ski-co-sundeck-co0249123 (data as of October 1, 2026).