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Public water system · CO0349210

Active

Difficult Cg

At a glance

Difficult Cg (PWSID CO0349210) is an active transient non-community water system in Pitkin County, Colorado. It reports serving 105 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 3 violations for this system; none is health-based, and the most recent began in September 2018.

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

Population served

105

Service connections

1

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDCO0349210
System typeTransient non-community water system
Activity statusActive
Population served105
Service connections1
Primary water sourceGroundwater
Owner typeFederal government
Primacy agencyCO state drinking water program
City served—
StateColorado
ZIP—
CountyPitkin County

How does Difficult Cg compare with other water systems in Pitkin County?

By EPA's size categories, Difficult Cg is a very small system (500 people or fewer). Pitkin County has 49 active public water systems. Its population served is well below the county average of 1,085 people per system, and accounts for 0.2% 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 Difficult Cg is about 27% 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 Difficult Cg?

EPA lists Difficult 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. 5 of the 49 active systems in Pitkin County (10%) are also owned by the federal government.

Does Difficult Cg have drinking water violations?

EPA's records list 3 violations for this system; none is health-based, and the most recent began in September 2018. The violations listed here began between January 2001 and September 2018. By type: 1 public notice, recordkeeping or other, 1 reporting and 1 monitoring and reporting. The contaminants or rules involved are Public Notice, Revised Total Coliform Rule and Nitrate. EPA lists 2 as resolved and 1 as unaddressed. 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. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement.

BeganViolationContaminant or ruleHealth-basedStatus
2018-09-07Public notice, recordkeeping or otherPublic Notification Violation without NPDWR Violation · code 76Public Noticecode 7500NoUnaddressed
2016-05-01ReportingReport Startup Procedures Cert Form (RTCR) · code 4CRevised Total Coliform Rulecode 8000NoResolved
2001-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved

All 3 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.

Difficult Cg: frequently asked questions

Who runs Difficult Cg?

Difficult Cg (PWSID CO0349210) 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 Difficult Cg serve?

Difficult Cg reports serving 105 people through 1 service connection in Pitkin County, Colorado.

Where does Difficult 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 Difficult Cg have any drinking water violations?

EPA's records list 3 violations for this system; none is health-based, and the most recent began in September 2018. 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 Difficult 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 3 violations for this system; none is health-based, and the most recent began in September 2018. For current results, consult EPA ECHO, or the CO state drinking water program.

Where can I find Difficult Cg's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Difficult 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 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 Co SundeckPitkin1,801Transient non-communityGroundwater under influence of surface water
Aspen Ski Corp Elk CampPitkin1,380Transient non-communitySurface 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, “Difficult Cg, PWSID CO0349210, Colorado”, https://aquacensus.com/water-systems/colorado/difficult-cg-co0349210 (data as of October 1, 2026).