BIG OAK MARINA
PWSID: OR4106054 · Portland, OR · Serves 30 people
According to EPA Safe Drinking Water Information System (SDWIS), BIG OAK MARINA (PWSID OR4106054) in Portland, OR is listed as a CWS water system covering about 30 people. The same extract lists 6 health-based violation records spanning 2024-2024. Those 6 health-based rows for BIG OAK MARINA cover contaminants such as Revised Total Coliform Rule; they remain historical EPA registry entries, not a current compliance or drinkability score.
BIG OAK MARINA has 6 health-based violation records in this historical extract. Monitoring and reporting records are not included.
PlainEnviro's health-based SDWIS extract covers monitoring and reporting violations only -- it does not include unresolved enforcement actions in progress or corrective steps a utility has taken since the extract date. 1 distinct EPA contaminant code appears in this system's record, including Revised Total Coliform Rule. Recorded violations span 2024–2024. Day-to-day primacy enforcement for this system runs through the Oregon drinking-water program, not EPA directly.
A historical health-based record does not necessarily describe current water quality or compliance. The most authoritative current 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 |
|---|---|---|
| Revised Total Coliform Rule | 6 | 6 |
Violation History (6)
| Contaminant | Health | Date |
|---|---|---|
| Revised Total Coliform Rule | Yes | Sep 1, 2024 |
| Revised Total Coliform Rule | Yes | Sep 1, 2024 |
| Revised Total Coliform Rule | Yes | Sep 1, 2024 |
| Revised Total Coliform Rule | Yes | Aug 1, 2024 |
| Revised Total Coliform Rule | Yes | Aug 1, 2024 |
| Revised Total Coliform Rule | Yes | Aug 1, 2024 |
Frequently Asked Questions
What does EPA SDWIS list for BIG OAK MARINA?
How many people does BIG OAK MARINA serve?
What violations does BIG OAK MARINA have?
What contaminants have been found in BIG OAK MARINA water?
Compare beyond Oregon
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest BIG OAK MARINA on cumulative violation count (6) and EPA-reported population served (30). Violation-count peers include CHEROKEE WATER SYSTEM, LAME DEER WATER SYSTEM, FOUR BEARS WATER SYSTEM.
Similar violation count
Nearest cross-state community systems (500+ served) by SDWIS violations on record.
Nearby Water Systems
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About This Data
BIG OAK MARINA (OR4106054) is drawn from EPA SDWIS. Nearby county systems in this extract include PORTLAND WATER BUREAU; GRESHAM, CITY OF; ROCKWOOD PUD; MILWAUKIE, CITY OF. Health-based rows (6 MCL/TT) are historical registry state, not a current drinkability score.
Source: U.S. Environmental Protection Agency, SDWIS Federal Reporting Services
Read our methodology - how this data is sourced, computed, and verified.