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Public water system · CO0240350

Active

Four U R Guest Ranch

At a glance

Four U R Guest Ranch (PWSID CO0240350) is an active transient non-community water system in Mineral County, Colorado. It reports serving 111 people through 22 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, 4 are health-based, and the most recent began in August 2019.

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

Population served

111

Service connections

22

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDCO0240350
System typeTransient non-community water system
Activity statusActive
Population served111
Service connections22
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyCO state drinking water program
City served—
StateColorado
ZIP—
CountyMineral County

How does Four U R Guest Ranch compare with other water systems in Mineral County?

By EPA's size categories, Four U R Guest Ranch is a very small system (500 people or fewer). Mineral County has 14 active public water systems, and Four U R Guest Ranch is the 5th-largest of them by population served. Its population served is well below the county average of 393 people per system, and accounts for 2% of the 5,506 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 Four U R Guest Ranch is about 23% 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 Four U R Guest Ranch?

EPA lists Four U R Guest Ranch 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. 12 of the 14 active systems in Mineral County (86%) are also privately owned.

Does Four U R Guest Ranch 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 2019. The violations listed here began between July 2002 and August 2019. By type: 5 monitoring and reporting, 4 required treatment not met, 2 monitoring and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Total coliform bacteria (TCR) (5 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
2019-08-31Public notice, recordkeeping or otherPublic Notification Violation without NPDWR Violation · code 76Public Noticecode 7500NoResolved
2018-10-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2017-10-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2015-04-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2007-04-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2004-08-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2004-06-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2003-08-01Required treatment not metTreatment Technique (SWTR and GWR) · code 41Surface Water Treatment Rulecode 0200YesResolved
2002-09-01Required treatment not metTreatment Technique (SWTR and GWR) · code 41Surface Water Treatment Rulecode 0200YesResolved
2002-08-01Monitoring and reportingMonitoring, Repeat Major (TCR) · code 25Total coliform bacteria (TCR)code 3100NoResolved
2002-08-01Required treatment not metTreatment Technique (SWTR and GWR) · code 41Surface Water Treatment Rulecode 0200YesResolved
2002-07-01Required treatment not metTreatment Technique (SWTR and GWR) · code 41Surface Water Treatment Rulecode 0200YesResolved

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.

Four U R Guest Ranch: frequently asked questions

Who runs Four U R Guest Ranch?

Four U R Guest Ranch (PWSID CO0240350) is a transient non-community water system privately owned. It is regulated by the CO state drinking water program.

How many people does Four U R Guest Ranch serve?

Four U R Guest Ranch reports serving 111 people through 22 service connections in Mineral County, Colorado.

Where does Four U R Guest Ranch 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 Four U R Guest Ranch 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 2019. 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 Four U R Guest Ranch'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 2019. For current results, consult EPA ECHO, or the CO state drinking water program.

Where can I find Four U R Guest Ranch's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Four U R Guest Ranch 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 Mineral County

Water systemCountyPopulation servedTypeSource
Wolf Creek Ski CorpMineral2,050Transient non-communitySurface water
Creede City ofMineral1,965CommunityGroundwater
Mountain View at Rivers Edge RvMineral640Transient non-communityGroundwater
Antlers Rio Grande LodgeMineral193Transient non-communityGroundwater
Rivercrest Acres HoaMineral110Transient non-communityGroundwater
Deep Creek Creede HavenMineral86CommunityGroundwater

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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, “Four U R Guest Ranch, PWSID CO0240350, Colorado”, https://aquacensus.com/water-systems/colorado/four-u-r-guest-ranch-co0240350 (data as of October 1, 2026).