Public water system · OR4195743
ActiveLost Lake Resort
At a glance
Lost Lake Resort (PWSID OR4195743) is an active transient non-community water system in Hood River County, Oregon. It reports serving 231 people through 10 service connections. Its primary water source is groundwater, and EPA lists it as owned by the federal government. EPA's records list 3 violations for this system; none is health-based, and the most recent began in June 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
231
Service connections
10
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Lost Lake Resort compare with other water systems in Hood River County?
By EPA's size categories, Lost Lake Resort is a very small system (500 people or fewer). Hood River County has 22 active public water systems. Its population served is well below the county average of 1,265 people per system, and accounts for 0.8% of the 27,824 people reported by systems filed under the county. Across Oregon, the 2,536 active systems average 1,587 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Lost Lake Resort is about 61% 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. Oregon has 1,250 active transient non-community water systems, 49% of the state's 2,536 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 2,175 Oregon systems (86%) list groundwater as their primary source.
Who owns and regulates Lost Lake Resort?
EPA lists Lost Lake Resort as owned by the federal government. The OR state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 4 of the 22 active systems in Hood River County (18%) are also owned by the federal government.
Does Lost Lake Resort have drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in June 2025. The violations listed here began between January 2025 and June 2025. By type: 2 monitoring and 1 monitoring and reporting. The contaminant or rule involved most often is Revised Total Coliform Rule (2 of them). EPA lists 2 as resolved and 1 as archived. 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. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2025-06-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2025-05-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2025-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Archived |
All 3 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.
Lost Lake Resort: frequently asked questions
Who runs Lost Lake Resort?
Lost Lake Resort (PWSID OR4195743) is a transient non-community water system owned by the federal government. It is regulated by the OR state drinking water program.
How many people does Lost Lake Resort serve?
Lost Lake Resort reports serving 231 people through 10 service connections in Hood River County, Oregon.
Where does Lost Lake Resort 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 Lost Lake Resort have any drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in June 2025. 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 Lost Lake Resort'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 3 violations for this system; none is health-based, and the most recent began in June 2025. For current results, consult EPA ECHO, or the OR state drinking water program.
Where can I find Lost Lake Resort's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Lost Lake Resort 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 Hood River County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Hood River, City of | Hood River | 8,577 | Community | Groundwater |
| Ice Fountain Water District | Hood River | 6,000 | Community | Groundwater |
| Crystal Springs Water District | Hood River | 5,973 | Community | Groundwater |
| Mt Hood Meadows Spring | Hood River | 1,400 | Non-transient non-community | Groundwater under influence of surface water |
| Cascade Locks, City of | Hood River | 1,398 | Community | Groundwater |
| Parkdale Water Company Inc. | Hood River | 867 | 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, “Lost Lake Resort, PWSID OR4195743, Oregon”, https://aquacensus.com/water-systems/oregon/lost-lake-resort-or4195743 (data as of October 1, 2026).