Public water system · OR4191943
ActiveMetro Parks - Oxbow
At a glance
Metro Parks - Oxbow (PWSID OR4191943) is an active transient non-community water system in Multnomah County, Oregon. It reports serving 822 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 4 violations for this system; 2 are health-based, and the most recent began in October 2003.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
822
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Metro Parks - Oxbow compare with other water systems in Multnomah County?
By EPA's size categories, Metro Parks - Oxbow is a small system (501 to 3,300 people). Multnomah County has 58 active public water systems. Its population served is well below the county average of 14,736 people per system, and accounts for less than 0.1% of the 854,671 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 Metro Parks - Oxbow is about 5.7 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 Metro Parks - Oxbow?
EPA lists Metro Parks - Oxbow as owned by a local 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. 22 of the 58 active systems in Multnomah County (38%) are also owned by a local government.
Does Metro Parks - Oxbow have drinking water violations?
EPA's records list 4 violations for this system; 2 are health-based, and the most recent began in October 2003. The violations listed here began between January 1994 and October 2003. By type: 2 contaminant level above the legal limit and 2 monitoring and reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (3 of them). EPA lists 4 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 |
|---|---|---|---|---|
| 2003-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2002-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 1999-04-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1994-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
All 4 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.
Metro Parks - Oxbow: frequently asked questions
Who runs Metro Parks - Oxbow?
Metro Parks - Oxbow (PWSID OR4191943) is a transient non-community water system owned by a local government. It is regulated by the OR state drinking water program.
How many people does Metro Parks - Oxbow serve?
Metro Parks - Oxbow reports serving 822 people through 1 service connection in Multnomah County, Oregon.
Where does Metro Parks - Oxbow 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 Metro Parks - Oxbow have any drinking water violations?
EPA's records list 4 violations for this system; 2 are health-based, and the most recent began in October 2003. 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 Metro Parks - Oxbow'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 4 violations for this system; 2 are health-based, and the most recent began in October 2003. For current results, consult EPA ECHO, or the OR state drinking water program.
Where can I find Metro Parks - Oxbow's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Metro Parks - Oxbow 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 Multnomah County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Portland Water Bureau | Multnomah | 666,200 | Community | Surface water |
| Gresham, City of | Multnomah | 73,932 | Community | Purchased surface water |
| Rockwood PUD | Multnomah | 65,443 | Community | Purchased surface water |
| Troutdale, City of | Multnomah | 16,185 | Community | Groundwater |
| Fairview, City of | Multnomah | 9,963 | Community | Groundwater |
| Wood Village, City of | Multnomah | 4,388 | 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, “Metro Parks - Oxbow, PWSID OR4191943, Oregon”, https://aquacensus.com/water-systems/oregon/metro-parks-oxbow-or4191943 (data as of October 1, 2026).