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Public water system · CO0226838

Active

Mountain Coal Co LLC West Elk Mine

At a glance

Mountain Coal Co LLC West Elk Mine (PWSID CO0226838) is an active non-transient non-community water system in Gunnison County, Colorado. It reports serving 300 people through 7 service connections. Its primary water source is surface water, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2025.

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

Population served

300

Service connections

7

Primary source

SW

Surface water

System type

NTNCWS

Non-transient non-community water system

System record

PWSIDCO0226838
System typeNon-transient non-community water system
Activity statusActive
Population served300
Service connections7
Primary water sourceSurface water
Owner typePrivate
Primacy agencyCO state drinking water program
City served—
StateColorado
ZIP—
CountyGunnison County

How does Mountain Coal Co LLC West Elk Mine compare with other water systems in Gunnison County?

By EPA's size categories, Mountain Coal Co LLC West Elk Mine is a very small system (500 people or fewer). Gunnison County has 71 active public water systems. Its population served is about 22% below the county average of 383 people per system, and accounts for 1.1% of the 27,176 people reported by systems filed under the county. Across Colorado, the 2,207 active systems average 3,400 people each. Nationally, the average active non-transient non-community water system reports serving 430 people, so Mountain Coal Co LLC West Elk Mine is about 30% below that figure.

What does “non-transient non-community water system” mean?

A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. Colorado has 183 active non-transient non-community water systems, 8.3% of the state's 2,207 active systems. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 228 Colorado systems (10%) list surface water as their primary source.

Who owns and regulates Mountain Coal Co LLC West Elk Mine?

EPA lists Mountain Coal Co LLC West Elk Mine 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. 49 of the 71 active systems in Gunnison County (69%) are also privately owned.

Does Mountain Coal Co LLC West Elk Mine have drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2025. The violations listed here began between January 2011 and January 2025. By type: 12 monitoring and reporting. The contaminants or rules involved are Lead and Copper Rule, E. coli, Di(2-ethylhexyl) adipate and Pentachlorophenol. EPA lists 10 as archived and 2 as resolved. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status. 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
2025-01-01Monitoring and reportingLead Consumer Notice · code 66Lead and Copper Rulecode 5000NoResolved
2017-11-01Monitoring and reportingMonitoring, Source Water (LT2) · code 32E. colicode 3014NoResolved
2011-01-01Monitoring and reportingMonitoring, Regular · code 03Di(2-ethylhexyl) adipatecode 2035NoArchived
2011-01-01Monitoring and reportingMonitoring, Regular · code 03Pentachlorophenolcode 2326NoArchived
2011-01-01Monitoring and reportingMonitoring, Regular · code 032,4,5-TP (Silvex)code 2110NoArchived
2011-01-01Monitoring and reportingMonitoring, Regular · code 03Ethylene dibromide (EDB)code 2946NoArchived
2011-01-01Monitoring and reportingMonitoring, Regular · code 03Chlordanecode 2959NoArchived
2011-01-01Monitoring and reportingMonitoring, Regular · code 032,4-Dcode 2105NoArchived
2011-01-01Monitoring and reportingMonitoring, Regular · code 03Atrazinecode 2050NoArchived
2011-01-01Monitoring and reportingMonitoring, Regular · code 03Benzo(a)pyrenecode 2306NoArchived
2011-01-01Monitoring and reportingMonitoring, Regular · code 03Simazinecode 2037NoArchived
2011-01-01Monitoring and reportingMonitoring, Regular · code 03Dinosebcode 2041NoArchived

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.

Mountain Coal Co LLC West Elk Mine: frequently asked questions

Who runs Mountain Coal Co LLC West Elk Mine?

Mountain Coal Co LLC West Elk Mine (PWSID CO0226838) is a non-transient non-community water system privately owned. It is regulated by the CO state drinking water program.

How many people does Mountain Coal Co LLC West Elk Mine serve?

Mountain Coal Co LLC West Elk Mine reports serving 300 people through 7 service connections in Gunnison County, Colorado.

Where does Mountain Coal Co LLC West Elk Mine get its water?

EPA SDWIS lists this system's primary water source as surface water. Surface water means the system draws its water from rivers, lakes, streams or reservoirs.

Does Mountain Coal Co LLC West Elk Mine have any drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 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 Mountain Coal Co LLC West Elk Mine'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, none is health-based, and the most recent began in January 2025. For current results, consult EPA ECHO, or the CO state drinking water program.

Where can I find Mountain Coal Co LLC West Elk Mine's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Mountain Coal Co LLC West Elk Mine is a non-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 Gunnison County

Water systemCountyPopulation servedTypeSource
Gunnison City ofGunnison9,610CommunityGroundwater
Mount Crested Butte WsdGunnison3,296CommunitySurface water
Crested Butte Town ofGunnison2,440CommunitySurface water
Crested Butte SouthGunnison2,000CommunityGroundwater
Cbmr Paradise Warming HouseGunnison1,530Transient non-communityGroundwater
Gunnison County WsdGunnison800CommunitySurface 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, “Mountain Coal Co LLC West Elk Mine, PWSID CO0226838, Colorado”, https://aquacensus.com/water-systems/colorado/mountain-coal-co-llc-west-elk-mine-co0226838 (data as of October 1, 2026).