PlainEnviro

BIG OAK MARINA

PWSID: OR4106054 · Portland, OR · Serves 30 people

Health Violations

BIG OAK MARINA has 6 health-based violations out of 6 total. Health violations indicate contaminant levels exceeded EPA limits or required treatment was not followed.

Population Served
30
Total Violations
6
Health Violations
6
Source Type
Groundwater

BIG OAK MARINA (PWSID OR4106054) is a cws water system drawing from a groundwater source, regulated by the EPA Safe Drinking Water Information System (SDWIS) under the Safe Drinking Water Act. It serves approximately 30 people in Portland, OR, and is subject to primacy enforcement by the Oregon drinking-water program.

The system's federal compliance record contains 6 total violations, with 6 classified as health-based (MCL exceedances or treatment-technique failures). 1 distinct contaminant has been cited, including E. coli. Recorded violations span 2024–2024.

A historical violation does not necessarily describe current water quality, systems must notify customers and remediate, and monitoring-type violations often reflect reporting lapses rather than contamination. The most authoritative real-time source is the utility's annual Consumer Confidence Report. For enforcement history and corrective-action orders, consult EPA ECHO and the Oregon state drinking-water program's public portal.

System Details

EPA ID (PWSID)
OR4106054
System Type
CWS
Water Source
Groundwater
Location
Portland, OR
Population Served
30
Health Violations
Yes (6)

What contaminants are in this water system?

Contaminant Violations Health-Based
E. coli 6 6

Violation History (6)

Contaminant Health Date
E. coli Yes Sep 1, 2024
E. coli Yes Sep 1, 2024
E. coli Yes Sep 1, 2024
E. coli Yes Aug 1, 2024
E. coli Yes Aug 1, 2024
E. coli Yes Aug 1, 2024

Frequently Asked Questions

Is BIG OAK MARINA water safe to drink?
BIG OAK MARINA has 6 health-based violations out of 6 total. Health violations indicate contaminant levels exceeded EPA limits or required treatment was not followed. The system uses groundwater water as its source.
How many people does BIG OAK MARINA serve?
BIG OAK MARINA serves 30 people in Portland, OR. It is classified as a CWS water system.
What violations does BIG OAK MARINA have?
BIG OAK MARINA has 6 total violations on record spanning 2024–2024. 6 are health-based violations involving contaminants exceeding EPA limits.
What contaminants have been found in BIG OAK MARINA water?
Violations have been recorded for 1 contaminant. The most frequent: E. coli.

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Explore More

Oregon Water Systems → All States → Contaminants →

About This Data

Water system data is from the EPA Safe Drinking Water Information System (SDWIS). Health-based violations include Maximum Contaminant Level (MCL) and Treatment Technique (TT) violations that may pose a direct risk to public health. Violation records may span multiple years.

Source: U.S. Environmental Protection Agency, SDWIS Federal Reporting Services U.S. Environmental Protection Agency, SDWIS Federal Reporting Services

Read our methodology - how this data is sourced, computed, and verified.

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