Public water system · OR4191059
ActiveOprd Detroit Lake Sp
At a glance
Oprd Detroit Lake Sp (PWSID OR4191059) is an active transient non-community water system in Marion County, Oregon. It reports serving 2,600 people through 1 service connection. Its primary water source is surface water, and EPA lists it as owned by a state government. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2023.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
2,600
Service connections
1
Primary source
SW
Surface water
System type
TNCWS
Transient non-community water system
System record
How does Oprd Detroit Lake Sp compare with other water systems in Marion County?
By EPA's size categories, Oprd Detroit Lake Sp is a small system (501 to 3,300 people). Marion County has 192 active public water systems. Its population served is about 35% above the county average of 1,921 people per system, and accounts for 0.7% of the 368,811 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 Oprd Detroit Lake Sp is about 18 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. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 211 Oregon systems (8.3%) list surface water as their primary source.
Who owns and regulates Oprd Detroit Lake Sp?
EPA lists Oprd Detroit Lake Sp 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. 12 of the 192 active systems in Marion County (6.3%) are also owned by a state government.
Does Oprd Detroit Lake Sp have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2023. The violations listed here began between May 2017 and January 2023. By type: 8 monitoring and reporting and 4 monitoring. The contaminant or rule involved most often is Surface Water Treatment Rule (5 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 |
|---|---|---|---|---|
| 2023-01-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2022-12-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2022-11-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2022-10-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2022-10-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36 | Surface Water Treatment Rulecode 0200 | No | Resolved |
| 2022-10-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36 | Surface Water Treatment Rulecode 0200 | No | Resolved |
| 2022-10-01 | Monitoring and reportingMonitoring, Turbidity (Enhanced SWTR) · code 38 | Interim Enhanced Surface Water Treatment Rulecode 0300 | No | Resolved |
| 2018-11-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36 | Surface Water Treatment Rulecode 0200 | No | Resolved |
| 2018-11-01 | Monitoring and reportingMonitoring, Turbidity (Enhanced SWTR) · code 38 | Interim Enhanced Surface Water Treatment Rulecode 0300 | No | Resolved |
| 2018-11-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36 | Surface Water Treatment Rulecode 0200 | No | Resolved |
| 2017-05-01 | Monitoring and reportingMonitoring, Turbidity (Enhanced SWTR) · code 38 | Interim Enhanced Surface Water Treatment Rulecode 0300 | No | Resolved |
| 2017-05-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36 | Surface Water Treatment Rulecode 0200 | 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.
Oprd Detroit Lake Sp: frequently asked questions
Who runs Oprd Detroit Lake Sp?
Oprd Detroit Lake Sp (PWSID OR4191059) 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 Oprd Detroit Lake Sp serve?
Oprd Detroit Lake Sp reports serving 2,600 people through 1 service connection in Marion County, Oregon.
Where does Oprd Detroit Lake Sp get its water?
EPA SDWIS lists this system's primary water source as surface water. Surface water means the system draws its water from rivers, lakes, streams or reservoirs.
Does Oprd Detroit Lake Sp 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 January 2023. 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 Oprd Detroit Lake Sp'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, none is health-based, and the most recent began in January 2023. For current results, consult EPA ECHO, or the OR state drinking water program.
Where can I find Oprd Detroit Lake Sp's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Oprd Detroit Lake Sp 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 Marion County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Salem Public Works | Marion | 199,820 | Community | Surface water |
| Keizer, City of | Marion | 38,585 | Community | Groundwater |
| Woodburn, City of | Marion | 29,455 | Community | Groundwater |
| Suburban East Salem Wd | Marion | 13,900 | Community | Purchased surface water |
| Silverton, City of | Marion | 10,484 | Community | Surface water |
| City of Stayton | Marion | 8,400 | Community | 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, “Oprd Detroit Lake Sp, PWSID OR4191059, Oregon”, https://aquacensus.com/water-systems/oregon/oprd-detroit-lake-sp-or4191059 (data as of October 1, 2026).