Public water system · 104121126
ActiveLone Pine in-Lieu Tfas
At a glance
Lone Pine in-Lieu Tfas (PWSID 104121126) is an active transient non-community water system in Oregon. It reports serving 40 people through 2 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by the federal government. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in May 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
40
Service connections
2
Primary source
SWP
Purchased surface water
System type
TNCWS
Transient non-community water system
System record
How does Lone Pine in-Lieu Tfas compare with other water systems in Oregon?
By EPA's size categories, Lone Pine in-Lieu Tfas is a very small system (500 people or fewer). 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 Lone Pine in-Lieu Tfas 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. Oregon has 1,250 active transient non-community water systems, 49% of the state's 2,536 active systems. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. 105 Oregon systems (4.1%) list purchased surface water as their primary source.
Who owns and regulates Lone Pine in-Lieu Tfas?
EPA lists Lone Pine in-Lieu Tfas as owned by the federal government. The EPA Region 10 is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act.
Does Lone Pine in-Lieu Tfas have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in May 2025. The violations listed here began between March 2018 and May 2025. By type: 8 monitoring, 2 reporting and 2 monitoring and reporting. The contaminant or rule involved most often is Revised Total Coliform Rule (10 of them). EPA lists 11 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 |
|---|---|---|---|---|
| 2025-05-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Archived |
| 2023-02-01 | ReportingReport Sample Result/Fail Monitor (RTCR) · code 4B | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2021-01-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2019-10-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2019-07-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2019-05-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2019-04-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2019-02-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2018-09-11 | ReportingReport Sample Result/Fail Monitor (RTCR) · code 4B | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2018-08-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2018-07-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2018-03-01 | 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.
Lone Pine in-Lieu Tfas: frequently asked questions
Who runs Lone Pine in-Lieu Tfas?
Lone Pine in-Lieu Tfas (PWSID 104121126) is a transient non-community water system owned by the federal government. It is regulated by the EPA Region 10.
How many people does Lone Pine in-Lieu Tfas serve?
Lone Pine in-Lieu Tfas reports serving 40 people through 2 service connections in Oregon.
Where does Lone Pine in-Lieu Tfas get its water?
EPA SDWIS lists this system's primary water source as purchased surface water. Purchased surface water means the system buys surface water from another public water system rather than drawing its own.
Does Lone Pine in-Lieu Tfas 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 May 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 Lone Pine in-Lieu Tfas' 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 May 2025. For current results, consult EPA ECHO, or the EPA Region 10.
Where can I find Lone Pine in-Lieu Tfas' water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Lone Pine in-Lieu Tfas 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 Oregon
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Portland Water Bureau | Multnomah | 666,200 | Community | Surface water |
| Tualatin Valley Water District | Washington | 224,600 | Community | Purchased surface water |
| Salem Public Works | Marion | 199,820 | Community | Surface water |
| Eugene Water & Electric Board | Lane | 176,000 | Community | Surface water |
| Medford Water Commission | Jackson | 106,068 | Community | Surface water |
| Hillsboro, City of | Washington | 92,632 | Community | Purchased 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, “Lone Pine in-Lieu Tfas, PWSID 104121126, Oregon”, https://aquacensus.com/water-systems/oregon/lone-pine-in-lieu-tfas-104121126 (data as of October 1, 2026).