Public water system · CO0226730
ActiveOasis Gunnison Lakeside
At a glance
Oasis Gunnison Lakeside (PWSID CO0226730) is an active transient non-community water system in Gunnison County, Colorado. It reports serving 65 people through 58 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 8 violations for this system; none is health-based, and the most recent began in August 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
65
Service connections
58
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Oasis Gunnison Lakeside compare with other water systems in Gunnison County?
By EPA's size categories, Oasis Gunnison Lakeside is a very small system (500 people or fewer). Gunnison County has 71 active public water systems. Its population served is well below the county average of 383 people per system, and accounts for 0.2% 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 transient non-community water system reports serving 144 people, so Oasis Gunnison Lakeside 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 Oasis Gunnison Lakeside?
EPA lists Oasis Gunnison Lakeside 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 Oasis Gunnison Lakeside have drinking water violations?
EPA's records list 8 violations for this system; none is health-based, and the most recent began in August 2024. The violations listed here began between January 2008 and August 2024. By type: 3 public notice, recordkeeping or other, 3 monitoring and reporting, 1 reporting and 1 monitoring. The contaminant or rule involved most often is Revised Total Coliform Rule (3 of them). EPA lists 8 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.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2024-08-16 | Public notice, recordkeeping or otherPublic Notification Violation without NPDWR Violation · code 76 | Public Noticecode 7500 | No | Resolved |
| 2024-07-16 | Public notice, recordkeeping or otherSample Siting Plan Errors (RTCR) · code 5A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2023-10-01 | ReportingReport Sample Result/Fail Monitor (RTCR) · code 4B | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2021-10-03 | Public notice, recordkeeping or otherPublic Notification Violation without NPDWR Violation · code 76 | Public Noticecode 7500 | No | Resolved |
| 2016-07-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2013-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2008-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2008-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
All 8 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.
Oasis Gunnison Lakeside: frequently asked questions
Who runs Oasis Gunnison Lakeside?
Oasis Gunnison Lakeside (PWSID CO0226730) is a transient non-community water system privately owned. It is regulated by the CO state drinking water program.
How many people does Oasis Gunnison Lakeside serve?
Oasis Gunnison Lakeside reports serving 65 people through 58 service connections in Gunnison County, Colorado.
Where does Oasis Gunnison Lakeside 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 Oasis Gunnison Lakeside have any drinking water violations?
EPA's records list 8 violations for this system; none is health-based, and the most recent began in August 2024. 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 Oasis Gunnison Lakeside'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 8 violations for this system; none is health-based, and the most recent began in August 2024. For current results, consult EPA ECHO, or the CO state drinking water program.
Where can I find Oasis Gunnison Lakeside's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Oasis Gunnison Lakeside 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 Gunnison County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Gunnison City of | Gunnison | 9,610 | Community | Groundwater |
| Mount Crested Butte Wsd | Gunnison | 3,296 | Community | Surface water |
| Crested Butte Town of | Gunnison | 2,440 | Community | Surface water |
| Crested Butte South | Gunnison | 2,000 | Community | Groundwater |
| Cbmr Paradise Warming House | Gunnison | 1,530 | Transient non-community | Groundwater |
| Gunnison County Wsd | Gunnison | 800 | Community | Surface 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, “Oasis Gunnison Lakeside, PWSID CO0226730, Colorado”, https://aquacensus.com/water-systems/colorado/oasis-gunnison-lakeside-co0226730 (data as of October 1, 2026).