Public water system · OR4194713
ActiveColumbia Ridge Landfill/Recycl
At a glance
Columbia Ridge Landfill/Recycl (PWSID OR4194713) is an active non-transient non-community water system in Gilliam County, Oregon. It reports serving 80 people through 6 service connections. 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 November 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
80
Service connections
6
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does Columbia Ridge Landfill/Recycl compare with other water systems in Gilliam County?
By EPA's size categories, Columbia Ridge Landfill/Recycl is a very small system (500 people or fewer). Gilliam County has 6 active public water systems, and Columbia Ridge Landfill/Recycl is the 3rd-largest of them by population served. Its population served is well below the county average of 265 people per system, and accounts for 5% of the 1,588 people reported by systems filed under the county. Across Oregon, the 2,536 active systems average 1,587 people each. Nationally, the average active non-transient non-community water system reports serving 430 people, so Columbia Ridge Landfill/Recycl is well below that figure.
What does “non-transient non-community water system” mean?
A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. Oregon has 346 active non-transient non-community water systems, 14% 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 Columbia Ridge Landfill/Recycl?
EPA lists Columbia Ridge Landfill/Recycl as privately owned. 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. 3 of the 6 active systems in Gilliam County (50%) are also privately owned.
Does Columbia Ridge Landfill/Recycl have drinking water violations?
Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in November 2024. The violations listed here began between November 2015 and November 2024. By type: 7 monitoring and reporting, 3 monitoring and 2 contaminant level above the legal limit. The contaminant or rule involved most often is E. coli (4 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.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2024-11-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2024-08-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Di(2-ethylhexyl) phthalatecode 2039 | No | Resolved |
| 2022-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Di(2-ethylhexyl) phthalatecode 2039 | No | Resolved |
| 2021-08-22 | Monitoring and reportingMonitoring, Source Water (GWR) · code 34 | E. colicode 3014 | No | Resolved |
| 2021-01-03 | Monitoring and reportingMonitoring, Source Water (GWR) · code 34 | E. colicode 3014 | No | Resolved |
| 2021-01-01 | MonitoringMonitoring, Additional Routine (RTCR) · code 3B | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2016-05-10 | Monitoring and reportingMonitoring, Source Water (GWR) · code 34 | E. colicode 3014 | No | Resolved |
| 2016-03-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2016-02-27 | Monitoring and reportingMonitoring, Source Water (GWR) · code 34 | E. colicode 3014 | No | Resolved |
| 2016-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2015-11-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | 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.
Columbia Ridge Landfill/Recycl: frequently asked questions
Who runs Columbia Ridge Landfill/Recycl?
Columbia Ridge Landfill/Recycl (PWSID OR4194713) is a non-transient non-community water system privately owned. It is regulated by the OR state drinking water program.
How many people does Columbia Ridge Landfill/Recycl serve?
Columbia Ridge Landfill/Recycl reports serving 80 people through 6 service connections in Gilliam County, Oregon.
Where does Columbia Ridge Landfill/Recycl 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 Columbia Ridge Landfill/Recycl 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 November 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 Columbia Ridge Landfill/Recycl'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 November 2024. For current results, consult EPA ECHO, or the OR state drinking water program.
Where can I find Columbia Ridge Landfill/Recycl's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Columbia Ridge Landfill/Recycl is a non-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 Gilliam County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Condon, City of | Gilliam | 742 | Community | Groundwater |
| Arlington City Water Supply | Gilliam | 628 | Community | Groundwater |
| Usace Philippi Park | Gilliam | 65 | Transient non-community | Groundwater |
| Chemical Waste Mgt of Nw Inc. | Gilliam | 40 | Non-transient non-community | Groundwater |
| Condon Heights Ws | Gilliam | 33 | 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, “Columbia Ridge Landfill/Recycl, PWSID OR4194713, Oregon”, https://aquacensus.com/water-systems/oregon/columbia-ridge-landfill-recycl-or4194713 (data as of October 1, 2026).