Public water system record

Big Oak Marina

Serves an area of Multnomah County, OR · 30 people served

Federal records show 2 health-based violations and 78 monitoring/reporting issues for Big Oak Marina in the last ten years. The most serious issue in this window was a resolved Revised Total Coliform Rule violation.

  • OR4106054
  • PORTLAND
  • OR
  • 30 served

System profile

Source water Groundwater
ZIP 97217
EPA system ID OR4106054

Verify this system on EPA ECHO →

Health-based violations, last 10 years
2
Resolved
2
Unresolved
0
Any acute record
Yes
Monitoring issues, last 10 years
78

Key facts

  • Big Oak Marina draws water from 1 well.
  • Record on file since 2000, with 3 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 19 service lines.

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Health-based violations

Since October 2016

Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.

Contaminant Rule family Start date Status Acute
Revised Total Coliform Rule
Contaminant limit exceeded
110 Sep 1, 2024 Resolved Yes
Revised Total Coliform Rule
Contaminant limit exceeded
110 Aug 1, 2024 Resolved Yes

Monitoring and reporting issues

Since October 2016

Missed tests or reports, not contaminants found above a limit.

Issue Start date Status
Consumer Confidence Rule
OTHER
Oct 1, 2025 Resolved
Revised Total Coliform Rule
Monitoring violation
Sep 1, 2025 Resolved
Lead and Copper Rule
Monitoring and reporting
Jul 1, 2025 Active
Consumer Confidence Rule
OTHER
Jul 1, 2025 Resolved
Revised Total Coliform Rule
Monitoring violation
Feb 1, 2025 Resolved
Public Notice
OTHER
Aug 30, 2024 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2024 Resolved
Chlordane
Monitoring and reporting
Jan 1, 2024 Resolved
ETHYLENE DIBROMIDE
Monitoring and reporting
Jan 1, 2024 Resolved
1,2-DIBROMO-3-CHLOROPROPANE
Monitoring and reporting
Jan 1, 2024 Resolved
Total Polychlorinated Biphenyls (PCB)
Monitoring and reporting
Jan 1, 2024 Resolved
Pentachlorophenol
Monitoring and reporting
Jan 1, 2024 Resolved
Benzo(a)pyrene
Monitoring and reporting
Jan 1, 2024 Resolved
HEXACHLOROBENZENE
Monitoring and reporting
Jan 1, 2024 Resolved
2,4,5-TP
Monitoring and reporting
Jan 1, 2024 Resolved
2,4-D
Monitoring and reporting
Jan 1, 2024 Resolved
Heptachlor epoxide
Monitoring and reporting
Jan 1, 2024 Resolved
Heptachlor
Monitoring and reporting
Jan 1, 2024 Resolved
LASSO
Monitoring and reporting
Jan 1, 2024 Resolved
Atrazine
Monitoring and reporting
Jan 1, 2024 Resolved
Carbofuran
Monitoring and reporting
Jan 1, 2024 Resolved
Hexachlorocyclopentadiene
Monitoring and reporting
Jan 1, 2024 Resolved
Dinoseb
Monitoring and reporting
Jan 1, 2024 Resolved
Picloram
Monitoring and reporting
Jan 1, 2024 Resolved
Di(2-ethylhexyl) phthalate
Monitoring and reporting
Jan 1, 2024 Resolved
Simazine
Monitoring and reporting
Jan 1, 2024 Resolved
OXAMYL
Monitoring and reporting
Jan 1, 2024 Resolved
Di(2-ethylhexyl) adipate
Monitoring and reporting
Jan 1, 2024 Resolved
Glyphosate
Monitoring and reporting
Jan 1, 2024 Resolved
Endothall
Monitoring and reporting
Jan 1, 2024 Resolved
Diquat
Monitoring and reporting
Jan 1, 2024 Resolved
Dalapon
Monitoring and reporting
Jan 1, 2024 Resolved
Toxaphene
Monitoring and reporting
Jan 1, 2024 Resolved
Methoxychlor
Monitoring and reporting
Jan 1, 2024 Resolved
BHC-GAMMA
Monitoring and reporting
Jan 1, 2024 Resolved
Endrin
Monitoring and reporting
Jan 1, 2024 Resolved
Styrene
Monitoring and reporting
Jan 1, 2024 Resolved
Ethylbenzene
Monitoring and reporting
Jan 1, 2024 Resolved
Toluene
Monitoring and reporting
Jan 1, 2024 Resolved
Benzene
Monitoring and reporting
Jan 1, 2024 Resolved
CHLOROBENZENE
Monitoring and reporting
Jan 1, 2024 Resolved
Tetrachloroethylene
Monitoring and reporting
Jan 1, 2024 Resolved
1,1,2-Trichloroethane
Monitoring and reporting
Jan 1, 2024 Resolved
Trichloroethylene
Monitoring and reporting
Jan 1, 2024 Resolved
1,2-Dichloropropane
Monitoring and reporting
Jan 1, 2024 Resolved
Carbon tetrachloride
Monitoring and reporting
Jan 1, 2024 Resolved
1,1,1-Trichloroethane
Monitoring and reporting
Jan 1, 2024 Resolved
1,2-Dichloroethane
Monitoring and reporting
Jan 1, 2024 Resolved
trans-1,2-Dichloroethylene
Monitoring and reporting
Jan 1, 2024 Resolved
1,1-Dichloroethylene
Monitoring and reporting
Jan 1, 2024 Resolved
Vinyl chloride
Monitoring and reporting
Jan 1, 2024 Resolved
p-Dichlorobenzene
Monitoring and reporting
Jan 1, 2024 Resolved
o-Dichlorobenzene
Monitoring and reporting
Jan 1, 2024 Resolved
DICHLOROMETHANE
Monitoring and reporting
Jan 1, 2024 Resolved
Xylenes, Total
Monitoring and reporting
Jan 1, 2024 Resolved
cis-1,2-Dichloroethylene
Monitoring and reporting
Jan 1, 2024 Resolved
1,2,4-Trichlorobenzene
Monitoring and reporting
Jan 1, 2024 Resolved
Lead and Copper Rule
Monitoring and reporting
Jan 1, 2024 Resolved
Arsenic
Monitoring and reporting
Jan 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Nitrite
Monitoring and reporting
Jan 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Selenium
Monitoring and reporting
Jan 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Thallium, Total
Monitoring and reporting
Jan 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Beryllium, Total
Monitoring and reporting
Jan 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Antimony, Total
Monitoring and reporting
Jan 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Nickel
Monitoring and reporting
Jan 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Mercury
Monitoring and reporting
Jan 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Fluoride
Monitoring and reporting
Jan 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
CYANIDE
Monitoring and reporting
Jan 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Chromium (total)
Monitoring and reporting
Jan 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Cadmium
Monitoring and reporting
Jan 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Barium
Monitoring and reporting
Jan 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Gross Alpha, Excl. Radon and U
Monitoring and reporting
Jan 1, 2023 Resolved
Combined Radium (-226 and -228)
Monitoring and reporting
Jan 1, 2023 Resolved
Combined Uranium
Monitoring and reporting
Jan 1, 2023 Resolved
Revised Total Coliform Rule
Monitoring violation
Dec 1, 2022 Resolved
Revised Total Coliform Rule
Monitoring violation
Nov 1, 2022 Resolved
Revised Total Coliform Rule
Monitoring violation
Oct 1, 2022 Resolved
Revised Total Coliform Rule
Monitoring violation
Aug 1, 2022 Resolved

Full record since 2000

EPA's records for Big Oak Marina go back to 2000. Before October 19, 2016 they list 3 health-based violations (3 resolved) and 13 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
2000s 3 13
2020s 2 78

Most recent health-based violation before October 19, 2016: Total Coliform, began December 2002, Resolved.

Show all 3 health-based violations before October 19, 2016
Contaminant Start date Status
Total Coliform
Contaminant limit exceeded
Dec 1, 2002 Resolved
Total Coliform (acute)
Contaminant limit exceeded
Jan 1, 2002 Resolved
Total Coliform
Contaminant limit exceeded
Jan 1, 2002 Resolved

What the violations mean

Revised Total Coliform Rule

2 incidents

The system did not meet a requirement of the Revised Total Coliform Rule

Coliform and E. coli rules protect against bacteria in the distribution system

Where the water comes from

Big Oak Marina draws water from 1 well.

Annual water quality report

Big Oak Marina must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.

Systems serving 500 or fewer people may meet the rule by telling customers the report is available on request, so you may need to ask Big Oak Marina for a copy.

Find a posted report with EPA's Consumer Confidence Report search

Testing your own water

To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by Oregon.