PORTLAND, OR · Multnomah County
PORTLAND WATER BUREAU Water System
Consumer Confidence Report status
PORTLAND WATER BUREAU must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.
As of August 1, 2026, EPA's federal records show 1 open health-based violation for PORTLAND WATER BUREAU.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 2026. This is a record-keeping and public-information tool — it does not replace Oregon’s official records. Always confirm current status with Oregon before making decisions based on this information.
System facts
- System ID (PWSID)
- OR4100657
- System type
- Community Water System
- Population served
- 666,200
- Service connections
- 187,700
- Ownership
- local government
- Water source
- surface water (rivers, lakes, or reservoirs)
PORTLAND WATER BUREAU is the largest community water system in Oregon, serving 666,200 people from surface water.
As of August 1, 2026, its federal record holds 15 entries between 1976 and 2022, of which 1 health-based item remains open.
Of the 15, 12 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves inorganic chemicals, the Total Coliform Rules, and the Radionuclides and Revised Rad Rule.
Violation history
Monitoring, Routine (RTCR)
—Revised Total Coliform Rule
July 1, 2022 – July 31, 2022
ResolvedFailure to Filter (SWTR)
Health-basedLong Term 2 Enhanced Surface Water Treatment Rule
December 18, 2017
UnaddressedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
September 1, 2013 – September 30, 2013
ResolvedMaximum Contaminant Level Violation, Acute (TCR)
Health-basedColiform (TCR)
July 1, 2012 – July 31, 2012
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) phthalate
July 1, 2007 – September 30, 2007
ResolvedMonitoring, Regular
—Arsenic
January 1, 2004 – December 31, 2004
ResolvedMonitoring, Regular
—Cadmium
June 24, 1979 – June 23, 1980
ArchivedMonitoring, Regular
—Chromium
June 24, 1979 – June 23, 1980
ArchivedMonitoring, Regular
—Fluoride
June 24, 1979 – June 23, 1980
ArchivedMonitoring, Regular
—Nitrate
June 24, 1979 – June 23, 1980
ArchivedMonitoring, Regular
—Selenium
June 24, 1979 – June 23, 1980
ArchivedMonitoring, Regular
—Barium
June 24, 1979 – June 23, 1980
ArchivedMonitoring, Regular
—Arsenic
June 24, 1979 – June 23, 1980
ArchivedMonitoring, Regular
—Combined Radium (-226 and -228)
June 1, 1976 – May 31, 1980
ArchivedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
June 1, 1976 – May 31, 1980
Archived
Resolved addressed and confirmed by the stateUnaddressed no corrective action on record yetArchived closed in EPA's records (typically due to age or a data correction)
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| July 1, 2022 – July 31, 2022 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| December 18, 2017 | Failure to Filter (SWTR) | Long Term 2 Enhanced Surface Water Treatment Rule | Health-based | Unaddressed |
| September 1, 2013 – September 30, 2013 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| July 1, 2012 – July 31, 2012 | Maximum Contaminant Level Violation, Acute (TCR) | Coliform (TCR) | Health-based | Resolved |
| July 1, 2007 – September 30, 2007 | Monitoring, Regular | Di(2-ethylhexyl) phthalate | — | Resolved |
| January 1, 2004 – December 31, 2004 | Monitoring, Regular | Arsenic | — | Resolved |
| June 24, 1979 – June 23, 1980 | Monitoring, Regular | Cadmium | — | Archived |
| June 24, 1979 – June 23, 1980 | Monitoring, Regular | Chromium | — | Archived |
| June 24, 1979 – June 23, 1980 | Monitoring, Regular | Fluoride | — | Archived |
| June 24, 1979 – June 23, 1980 | Monitoring, Regular | Nitrate | — | Archived |
| June 24, 1979 – June 23, 1980 | Monitoring, Regular | Selenium | — | Archived |
| June 24, 1979 – June 23, 1980 | Monitoring, Regular | Barium | — | Archived |
| June 24, 1979 – June 23, 1980 | Monitoring, Regular | Arsenic | — | Archived |
| June 1, 1976 – May 31, 1980 | Monitoring, Regular | Combined Radium (-226 and -228) | — | Archived |
| June 1, 1976 – May 31, 1980 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Archived |
Resolved addressed and confirmed by the stateUnaddressed no corrective action on record yetArchived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- June 14, 2022State Public Notification received2 linked violations
- November 8, 2013State Compliance achieved2 linked violations
- October 11, 2013State Public Notification requested3 linked violations
- July 23, 2012State Public Notification requested4 linked violations
- June 10, 2005State Compliance achieved5 linked violations
Common questions
Is PORTLAND WATER BUREAU required to publish a Consumer Confidence Report?
- Yes. PORTLAND WATER BUREAU is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.
When is PORTLAND WATER BUREAU’s next Consumer Confidence Report due?
- PORTLAND WATER BUREAU’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does PORTLAND WATER BUREAU have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show 1 open health-based violation for PORTLAND WATER BUREAU.
What is a Consumer Confidence Report?
- A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.
Contact
PORTLAND WATER BUREAU
503-823-1251
PORTLAND, OR 97227