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Public water system · CO0325725

Active

St Louis Creek Cg No 2 West

At a glance

St Louis Creek Cg No 2 West (PWSID CO0325725) is an active transient non-community water system in Grand County, Colorado. It reports serving 72 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 10 violations for this system; 2 are health-based, and the most recent began in June 2023.

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

Population served

72

Service connections

1

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDCO0325725
System typeTransient non-community water system
Activity statusActive
Population served72
Service connections1
Primary water sourceGroundwater
Owner typeFederal government
Primacy agencyCO state drinking water program
City served—
StateColorado
ZIP—
CountyGrand County

How does St Louis Creek Cg No 2 West compare with other water systems in Grand County?

By EPA's size categories, St Louis Creek Cg No 2 West is a very small system (500 people or fewer). Grand County has 77 active public water systems. Its population served is well below the county average of 728 people per system, and accounts for 0.1% of the 56,067 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 St Louis Creek Cg No 2 West is about half of 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 St Louis Creek Cg No 2 West?

EPA lists St Louis Creek Cg No 2 West 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. 14 of the 77 active systems in Grand County (18%) are also owned by the federal government.

Does St Louis Creek Cg No 2 West have drinking water violations?

EPA's records list 10 violations for this system; 2 are health-based, and the most recent began in June 2023. The violations listed here began between January 2005 and June 2023. By type: 4 monitoring and reporting, 3 reporting, 2 required treatment not met and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Revised Total Coliform Rule (5 of them). EPA lists 10 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
2023-06-01ReportingReport Sample Result/Fail Monitor (RTCR) · code 4BRevised Total Coliform Rulecode 8000NoResolved
2019-09-16Required treatment not metTreatment Technique Startup Procedures (RTCR) · code 2DRevised Total Coliform Rulecode 8000YesResolved
2018-06-02Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2017-08-18Required treatment not metTreatment Technique Startup Procedures (RTCR) · code 2DRevised Total Coliform Rulecode 8000YesResolved
2017-07-11ReportingReport Startup Procedures Cert Form (RTCR) · code 4CRevised Total Coliform Rulecode 8000NoResolved
2016-07-11ReportingReport Startup Procedures Cert Form (RTCR) · code 4CRevised Total Coliform Rulecode 8000NoResolved
2011-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2007-09-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2005-06-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2005-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved

All 10 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.

St Louis Creek Cg No 2 West: frequently asked questions

Who runs St Louis Creek Cg No 2 West?

St Louis Creek Cg No 2 West (PWSID CO0325725) 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 St Louis Creek Cg No 2 West serve?

St Louis Creek Cg No 2 West reports serving 72 people through 1 service connection in Grand County, Colorado.

Where does St Louis Creek Cg No 2 West 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 St Louis Creek Cg No 2 West have any drinking water violations?

EPA's records list 10 violations for this system; 2 are health-based, and the most recent began in June 2023. 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 St Louis Creek Cg No 2 West'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 10 violations for this system; 2 are health-based, and the most recent began in June 2023. For current results, consult EPA ECHO, or the CO state drinking water program.

Where can I find St Louis Creek Cg No 2 West's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. St Louis Creek Cg No 2 West 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 Grand County

Water systemCountyPopulation servedTypeSource
Winter Park WsdGrand6,635CommunitySurface water
Grand County Water No 1Grand5,400CommunitySurface water
Winter Park Resort SunspotGrand5,006Transient non-communityGroundwater
Winter Park Resort Lunch RockGrand5,001Transient non-communityGroundwater
Winter Park Resort SnoasisGrand5,001Transient non-communityGroundwater
Winter Park Ranch WsdGrand3,250CommunityGroundwater

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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, “St Louis Creek Cg No 2 West, PWSID CO0325725, Colorado”, https://aquacensus.com/water-systems/colorado/st-louis-creek-cg-no-2-west-co0325725 (data as of October 1, 2026).