PORTLAND WATER BUREAU

Oregon — Community Water System — PWSID: OR4100657

System Information

PWSIDOR4100657
System NamePORTLAND WATER BUREAU
System TypeCommunity Water System
Water SourceSurface Water
Activity StatusActive
Owner TypeLocal
EPA Region10
Serves SchoolNo
WholesalerNo
First ReportedMar 12, 1979
Last ReportedMar 25, 2026

Location & Contact

StateOregon
CityPORTLAND
ZIP Code97227
Address1900 N INTERSTATE AVE
OrganizationPORTLAND WATER BUREAU
Phone503-823-1251

Population & Service

Population Served666,200
Service Connections187,700

Drinking Water Violations (32)

This water system has 32 violations recorded in the EPA SDWIS database.

Begin Date End Date Contaminant Category Health-Based Major Measured Federal MCL State MCL Status Return to Compliance Rule
Jul 1, 2022 Jul 31, 2022 MON No No Resolved Jul 31, 2022
Dec 18, 2017 TT Yes No Unaddressed
Sep 1, 2013 Sep 30, 2013 MCL Yes No 5% of samples Resolved Sep 30, 2013
Sep 1, 2013 Sep 30, 2013 MCL Yes No 5% of samples Resolved Sep 30, 2013
Sep 1, 2013 Sep 30, 2013 MCL Yes No 5% of samples Resolved Sep 30, 2013
Jul 1, 2012 Jul 31, 2012 MCL Yes No 5% of samples Resolved Jul 31, 2012
Jul 1, 2012 Jul 31, 2012 MCL Yes No 5% of samples Resolved Jul 31, 2012
Jul 1, 2012 Jul 31, 2012 MCL Yes No 5% of samples Resolved Jul 31, 2012
Jul 1, 2012 Jul 31, 2012 MCL Yes No 5% of samples Resolved Jul 31, 2012
Nov 1, 2009 Nov 30, 2009 MCL Yes No 5% of samples Resolved Nov 30, 2009
Nov 1, 2009 Nov 30, 2009 MCL Yes No 5% of samples Resolved Nov 30, 2009
Nov 1, 2009 Nov 30, 2009 MCL Yes No 5% of samples Resolved Nov 30, 2009
Nov 1, 2009 Nov 30, 2009 MCL Yes No 5% of samples Resolved Nov 30, 2009
Jul 1, 2007 Sep 30, 2007 MR No Yes 0.006 mg/L Resolved Sep 30, 2007
Jan 1, 2004 Dec 31, 2004 MR No Yes 0.010 mg/L Resolved Dec 31, 2004
Jun 24, 1979 Jun 23, 1980 MR No No 10 mg/L Archived Jun 23, 1980
Jun 24, 1979 Jun 23, 1980 MR No No 2 mg/L Archived Jun 23, 1980
Jun 24, 1979 Jun 23, 1980 MR No No 0.1 mg/L Archived Jun 23, 1980
Jun 24, 1979 Jun 23, 1980 MR No No 0.005 mg/L Archived Jun 23, 1980
Jun 24, 1979 Jun 23, 1980 MR No No 0.05 mg/L Archived Jun 23, 1980
Jun 24, 1979 Jun 23, 1980 MR No No 0.010 mg/L Archived Jun 23, 1980
Jun 24, 1979 Jun 23, 1980 MR No No 0.002 mg/L Archived Jun 23, 1980
Jun 24, 1979 Jun 23, 1980 MR No No 4.0 mg/L Archived Jun 23, 1980
Jun 1, 1976 May 31, 1980 MR No No 5 pCi/L Archived May 31, 1980
Jun 1, 1976 May 31, 1980 MR No No 15 pCi/L Archived May 31, 1980
No No
No No
No No
No No
No No
No No
No No

About This Water System

Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.

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