PORTLAND WATER DEPARTMENT

— Community Water System — PWSID: CT1130011

System Information

PWSIDCT1130011
System NamePORTLAND WATER DEPARTMENT
System TypeCommunity Water System
Water SourceSurface Water Purchased
Activity StatusActive
Owner TypeLocal
EPA Region01
Serves SchoolNo
WholesalerNo
First ReportedMar 8, 1979
Last ReportedMar 30, 2026

Location & Contact

State
City
ZIP Code
Address
Organization
Phone

Population & Service

Population Served5,010
Service Connections2,322

Drinking Water Violations (66)

This water system has 66 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
Dec 30, 2025 MR No No TT Unaddressed
Dec 30, 2022 MR No No TT Resolved Feb 10, 2023
Dec 30, 2022 MR No No TT Resolved Feb 10, 2023
Aug 10, 2018 Other No No Resolved May 9, 2022
Aug 10, 2018 Other No No Resolved May 9, 2022
Jul 1, 2018 Other No No Resolved Jan 2, 2020
Jul 1, 2018 Other No No Resolved Jan 2, 2020
Jul 1, 2008 Jul 31, 2008 MCL Yes No 5% of samples Resolved Jul 31, 2008
Jul 1, 2008 Jul 31, 2008 MCL Yes No 5% of samples Resolved Jul 31, 2008
Jul 1, 2008 Jul 31, 2008 MCL Yes No 5% of samples Resolved Jul 31, 2008
Jul 1, 2008 Jul 31, 2008 MCL Yes No 5% of samples Resolved Jul 31, 2008
Aug 1, 2007 Aug 31, 2007 MCL Yes No 5% of samples Resolved Aug 31, 2007
Aug 1, 2007 Aug 31, 2007 MR No No 5% of samples Resolved Aug 31, 2007
Aug 1, 2007 Aug 31, 2007 MR No No 5% of samples Resolved Aug 31, 2007
Aug 1, 2007 Aug 31, 2007 MCL Yes No 5% of samples Resolved Aug 31, 2007
Aug 1, 2007 Aug 31, 2007 MCL Yes No 5% of samples Resolved Aug 31, 2007
Aug 1, 2007 Aug 31, 2007 MCL Yes No 5% of samples Resolved Aug 31, 2007
Jul 1, 2006 Other No No Resolved Jul 19, 2006
Jul 1, 2006 Other No No Resolved Jul 19, 2006
Jun 1, 2000 Jun 30, 2000 MCL Yes No 5% of samples Resolved Jun 30, 2000
Jun 1, 2000 Jun 30, 2000 MCL Yes No 5% of samples Resolved Jun 30, 2000
Jun 1, 2000 Jun 30, 2000 MCL Yes No 5% of samples Resolved Jun 30, 2000
Jun 1, 2000 Jun 30, 2000 MCL Yes No 5% of samples Resolved Jun 30, 2000
Oct 1, 1996 Oct 31, 1996 MCL Yes No 5% of samples Resolved Oct 31, 1996
Oct 1, 1996 Oct 31, 1996 MCL Yes No 5% of samples Resolved Oct 31, 1996
Oct 1, 1996 Oct 31, 1996 MCL Yes No 5% of samples Resolved Oct 31, 1996
Oct 1, 1996 Oct 31, 1996 MCL Yes No 5% of samples Resolved Oct 31, 1996
Oct 1, 1994 Oct 31, 1994 MR No No 5% of samples Resolved Oct 31, 1994
Oct 1, 1994 Oct 31, 1994 MR No No 5% of samples Resolved Oct 31, 1994
Oct 1, 1994 Oct 31, 1994 MR No No 5% of samples Resolved Oct 31, 1994
Oct 1, 1994 Oct 31, 1994 MR No No 5% of samples Resolved Oct 31, 1994
Jan 1, 1993 MR No No TT Resolved Apr 23, 1993
Jan 1, 1993 MR No No TT Resolved Apr 23, 1993
Jan 1, 1993 MR No No TT Resolved Apr 23, 1993
Jan 1, 1993 MR No No TT Resolved Apr 23, 1993
Jul 1, 1992 Dec 31, 1992 MR No No TT Resolved Dec 31, 1992
Jul 1, 1992 Dec 31, 1992 MR No No TT Resolved Dec 31, 1992
Jul 1, 1992 Dec 31, 1992 MR No No TT Resolved Dec 31, 1992
Jul 1, 1992 Dec 31, 1992 MR No No TT Resolved Dec 31, 1992
Jun 1, 1992 Jun 30, 1992 MCL Yes No 5% of samples Resolved Jun 17, 1992
Jun 1, 1992 Jun 30, 1992 MCL Yes No 5% of samples Resolved Jun 17, 1992
Jun 1, 1992 Jun 30, 1992 MCL Yes No 5% of samples Resolved Jun 17, 1992
Jun 1, 1992 Jun 30, 1992 MCL Yes No 5% of samples Resolved Jun 17, 1992
Jan 1, 1992 TT Yes No Resolved Dec 31, 1999
Jan 1, 1992 TT Yes No Resolved Dec 31, 1999
Jan 1, 1992 TT Yes No Resolved Dec 31, 1999
Jan 1, 1992 Dec 31, 1999 TT Yes No Archived Dec 31, 1999
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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