Public water system · CO0202304
ActiveGreat Sand Dunes Lodge
At a glance
Great Sand Dunes Lodge (PWSID CO0202304) is an active transient non-community water system in Alamosa County, Colorado. It reports serving 40 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in April 2026.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
40
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Great Sand Dunes Lodge compare with other water systems in Alamosa County?
By EPA's size categories, Great Sand Dunes Lodge is a very small system (500 people or fewer). Alamosa County has 17 active public water systems. Its population served is well below the county average of 962 people per system, and accounts for 0.2% of the 16,356 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 Great Sand Dunes Lodge is well 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 Great Sand Dunes Lodge?
EPA lists Great Sand Dunes Lodge 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. 11 of the 17 active systems in Alamosa County (65%) are also privately owned.
Does Great Sand Dunes Lodge have drinking water violations?
Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in April 2026. The violations listed here began between August 2019 and April 2026. By type: 4 monitoring, 3 public notice, recordkeeping or other, 3 monitoring and reporting and 2 required treatment not met. The contaminant or rule involved most often is Revised Total Coliform Rule (7 of them). EPA lists 9 as resolved and 3 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.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2026-04-11 | Required treatment not metTreatment Technique Startup Procedures (RTCR) · code 2D | Revised Total Coliform Rulecode 8000 | Yes | Unaddressed |
| 2026-03-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2025-06-28 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Unaddressed |
| 2025-04-11 | Required treatment not metTreatment Technique Startup Procedures (RTCR) · code 2D | Revised Total Coliform Rulecode 8000 | Yes | Unaddressed |
| 2024-09-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2021-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2021-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2020-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2020-05-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2020-04-02 | Public notice, recordkeeping or otherPublic Notification Violation without NPDWR Violation · code 76 | Public Noticecode 7500 | No | Resolved |
| 2019-10-11 | Public notice, recordkeeping or otherSample Siting Plan Errors (RTCR) · code 5A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2019-08-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
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.
Great Sand Dunes Lodge: frequently asked questions
Who runs Great Sand Dunes Lodge?
Great Sand Dunes Lodge (PWSID CO0202304) is a transient non-community water system privately owned. It is regulated by the CO state drinking water program.
How many people does Great Sand Dunes Lodge serve?
Great Sand Dunes Lodge reports serving 40 people through 1 service connection in Alamosa County, Colorado.
Where does Great Sand Dunes Lodge 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 Great Sand Dunes Lodge have any drinking water violations?
Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in April 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 Great Sand Dunes Lodge'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, 2 are health-based, and the most recent began in April 2026. For current results, consult EPA ECHO, or the CO state drinking water program.
Where can I find Great Sand Dunes Lodge's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Great Sand Dunes Lodge 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 Alamosa County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Alamosa City of | Alamosa | 11,271 | Community | Groundwater |
| East Alamosa | Alamosa | 1,453 | Community | Purchased groundwater |
| Great Sand Dunes Hq | Alamosa | 1,400 | Non-transient non-community | Groundwater |
| Ramble Cg | Alamosa | 601 | Transient non-community | Groundwater |
| Sangre De Cristo Lane Seven School | Alamosa | 445 | Non-transient non-community | Groundwater |
| Great Sand Dunes Pinon Flats Cg | Alamosa | 250 | Transient non-community | Groundwater |
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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, “Great Sand Dunes Lodge, PWSID CO0202304, Colorado”, https://aquacensus.com/water-systems/colorado/great-sand-dunes-lodge-co0202304 (data as of October 1, 2026).