Skip to content
AquaCensus

Public water system · CO0207724

Active

Stone Mountain Lodge and Cabins

At a glance

Stone Mountain Lodge and Cabins (PWSID CO0207724) is an active transient non-community water system in Boulder County, Colorado. It reports serving 160 people through 9 service connections. Its primary water source is groundwater under influence of 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 February 2026.

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

Population served

160

Service connections

9

Primary source

GU

Groundwater under influence of surface water

System type

TNCWS

Transient non-community water system

System record

PWSIDCO0207724
System typeTransient non-community water system
Activity statusActive
Population served160
Service connections9
Primary water sourceGroundwater under influence of surface water
Owner typePrivate
Primacy agencyCO state drinking water program
City served—
StateColorado
ZIP—
CountyBoulder County

How does Stone Mountain Lodge and Cabins compare with other water systems in Boulder County?

By EPA's size categories, Stone Mountain Lodge and Cabins is a very small system (500 people or fewer). Boulder County has 81 active public water systems. Its population served is well below the county average of 5,397 people per system, and accounts for less than 0.1% of the 437,116 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 Stone Mountain Lodge and Cabins is about 11% above 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 Stone Mountain Lodge and Cabins?

EPA lists Stone Mountain Lodge and Cabins 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. 53 of the 81 active systems in Boulder County (65%) are also privately owned.

Does Stone Mountain Lodge and Cabins have drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in February 2026. The violations listed here began between November 2024 and February 2026. By type: 7 monitoring and reporting and 5 monitoring. The contaminant or rule involved most often is Surface Water Treatment Rule (6 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
2026-02-01Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36Surface Water Treatment Rulecode 0200NoResolved
2026-02-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2025-06-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2025-06-01Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36Surface Water Treatment Rulecode 0200NoResolved
2025-04-01Monitoring and reportingMonitoring, Turbidity (Enhanced SWTR) · code 38Interim Enhanced Surface Water Treatment Rulecode 0300NoResolved
2025-04-01Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36Surface Water Treatment Rulecode 0200NoResolved
2025-03-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2025-03-01Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36Surface Water Treatment Rulecode 0200NoResolved
2025-02-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2025-02-01Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36Surface Water Treatment Rulecode 0200NoResolved
2024-11-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2024-11-01Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36Surface Water Treatment Rulecode 0200NoResolved

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.

Stone Mountain Lodge and Cabins: frequently asked questions

Who runs Stone Mountain Lodge and Cabins?

Stone Mountain Lodge and Cabins (PWSID CO0207724) is a transient non-community water system privately owned. It is regulated by the CO state drinking water program.

How many people does Stone Mountain Lodge and Cabins serve?

Stone Mountain Lodge and Cabins reports serving 160 people through 9 service connections in Boulder County, Colorado.

Where does Stone Mountain Lodge and Cabins 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 Stone Mountain Lodge and Cabins 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 February 2026. 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 Stone Mountain Lodge and Cabins' 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 February 2026. For current results, consult EPA ECHO, or the CO state drinking water program.

Where can I find Stone Mountain Lodge and Cabins' water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Stone Mountain Lodge and Cabins 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 Boulder County

Water systemCountyPopulation servedTypeSource
Boulder City ofBoulder166,080CommunitySurface water
Longmont City ofBoulder104,178CommunitySurface water
Erie Town ofBoulder47,444CommunitySurface water
Lafayette City ofBoulder28,700CommunitySurface water
Louisville City ofBoulder20,975CommunitySurface water
Left Hand WdBoulder20,280CommunitySurface water

Related pages

Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.

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, “Stone Mountain Lodge and Cabins, PWSID CO0207724, Colorado”, https://aquacensus.com/water-systems/colorado/stone-mountain-lodge-and-cabins-co0207724 (data as of October 1, 2026).