Public water system · OR4193535
ActiveOdot Hd Oak Grove Southbound
At a glance
Odot Hd Oak Grove Southbound (PWSID OR4193535) is an active transient non-community water system in Linn County, Oregon. It reports serving 500 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as owned by a state government. Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in May 2014.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
500
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Odot Hd Oak Grove Southbound compare with other water systems in Linn County?
By EPA's size categories, Odot Hd Oak Grove Southbound is a very small system (500 people or fewer). Linn County has 161 active public water systems. Its population served is about 35% below the county average of 769 people per system, and accounts for 0.4% of the 123,772 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 Odot Hd Oak Grove Southbound is about 3.5 times 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 Odot Hd Oak Grove Southbound?
EPA lists Odot Hd Oak Grove Southbound as owned by a state 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. 7 of the 161 active systems in Linn County (4.3%) are also owned by a state government.
Does Odot Hd Oak Grove Southbound have drinking water violations?
Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in May 2014. The violations listed here began between July 1991 and May 2014. By type: 10 monitoring and reporting and 2 contaminant level above the legal limit. The contaminant or rule involved most often is Total coliform bacteria (TCR) (12 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 |
|---|---|---|---|---|
| 2014-05-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2010-01-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2006-07-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2005-07-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2004-01-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2003-04-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2002-07-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2000-07-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1995-04-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1995-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1994-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1991-07-01 | Monitoring and reportingMonitoring, Repeat Minor (TCR) · code 26 | Total coliform bacteria (TCR)code 3100 | 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.
Odot Hd Oak Grove Southbound: frequently asked questions
Who runs Odot Hd Oak Grove Southbound?
Odot Hd Oak Grove Southbound (PWSID OR4193535) is a transient non-community water system owned by a state government. It is regulated by the OR state drinking water program.
How many people does Odot Hd Oak Grove Southbound serve?
Odot Hd Oak Grove Southbound reports serving 500 people through 1 service connection in Linn County, Oregon.
Where does Odot Hd Oak Grove Southbound 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 Odot Hd Oak Grove Southbound 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 May 2014. 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 Odot Hd Oak Grove Southbound'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 May 2014. For current results, consult EPA ECHO, or the OR state drinking water program.
Where can I find Odot Hd Oak Grove Southbound's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Odot Hd Oak Grove Southbound 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 Linn County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Albany, City of | Linn | 57,997 | Community | Surface water |
| Lebanon, City of | Linn | 18,945 | Community | Surface water |
| Sweet Home, City of | Linn | 10,322 | Community | Surface water |
| Harrisburg, City of | Linn | 3,684 | Community | Groundwater |
| City of Millersburg | Linn | 2,615 | Community | Purchased surface water |
| Brownsville, City of | Linn | 1,906 | Community | Groundwater under influence of surface water |
Related pages
Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.
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, “Odot Hd Oak Grove Southbound, PWSID OR4193535, Oregon”, https://aquacensus.com/water-systems/oregon/odot-hd-oak-grove-southbound-or4193535 (data as of October 1, 2026).