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OCEANSIDE WATER DISTRICT

Oregon — Community Water System — PWSID: OR4100585

System Information

PWSIDOR4100585
System NameOCEANSIDE WATER DISTRICT
System TypeCommunity Water System
Water SourceSurface Water
Activity StatusActive
Owner TypeLocal
EPA Region10
Serves SchoolNo
WholesalerNo
First ReportedMar 12, 1979
Last ReportedDec 23, 2025

Location & Contact

StateOregon
CityOCEANSIDE
ZIP Code97134-0360
AddressPO BOX 360
OrganizationOCEANSIDE WATER DISTRICT
Phone503-842-6462

Population & Service

Population Served500
Service Connections571

Drinking Water Violations (201)

This water system has 201 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
Oct 1, 2024 Dec 31, 2024 TTHM MCL Yes No .09 MG/L 0.080 mg/L .08 Resolved Dec 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2024 Dec 31, 2024 TTHM MCL Yes No .09 MG/L 0.080 mg/L .08 Resolved Dec 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2024 Dec 31, 2024 TTHM MCL Yes No .09 MG/L 0.080 mg/L .08 Resolved Dec 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2024 Dec 31, 2024 TTHM MCL Yes No .09 MG/L 0.080 mg/L .08 Resolved Dec 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2024 Sep 30, 2024 TTHM MCL Yes No .088 MG/L 0.080 mg/L .08 Resolved Sep 30, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2024 Sep 30, 2024 TTHM MCL Yes No .088 MG/L 0.080 mg/L .08 Resolved Sep 30, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2024 Sep 30, 2024 TTHM MCL Yes No .088 MG/L 0.080 mg/L .08 Resolved Sep 30, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2024 Sep 30, 2024 TTHM MCL Yes No .088 MG/L 0.080 mg/L .08 Resolved Sep 30, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2024 — Lead and Copper Rule MR No No — TT — Resolved Sep 10, 2024 Lead and Copper Rule
Apr 1, 2024 Jun 30, 2024 TTHM MCL Yes No .089 MG/L 0.080 mg/L .08 Resolved Jun 30, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2024 Jun 30, 2024 TTHM MCL Yes No .089 MG/L 0.080 mg/L .08 Resolved Jun 30, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2024 Jun 30, 2024 TTHM MCL Yes No .089 MG/L 0.080 mg/L .08 Resolved Jun 30, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2024 Jun 30, 2024 TTHM MCL Yes No .089 MG/L 0.080 mg/L .08 Resolved Jun 30, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2023 — Consumer Confidence Rule Other No No — — — Resolved Jul 21, 2023 Consumer Confidence Rule
Jan 1, 2023 — Lead and Copper Rule MR No No — TT — Resolved Mar 8, 2023 Lead and Copper Rule
Jan 1, 2022 — Lead and Copper Rule MR No No — TT — Resolved Aug 3, 2022 Lead and Copper Rule
Jan 1, 2022 — Lead and Copper Rule MR No No — TT — Resolved Jul 5, 2022 Lead and Copper Rule
Jan 1, 2022 — Lead and Copper Rule MR No No — TT — Resolved Apr 3, 2022 Lead and Copper Rule
Oct 1, 2018 Dec 31, 2018 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2018 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2018 Dec 31, 2018 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2018 Stage 2 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2018 Aug 31, 2018 Revised Total Coliform Rule MON No Yes — — — Resolved Aug 31, 2018 Revised Total Coliform Rule
Jul 1, 2018 — Lead and Copper Rule MR No No — TT — Resolved Jul 23, 2018 Lead and Copper Rule
Mar 1, 2018 Mar 31, 2018 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Mar 31, 2018 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Mar 1, 2018 Mar 31, 2018 Surface Water Treatment Rule MR No Yes — — — Resolved Mar 31, 2018 Surface Water Treatment Rule
Mar 1, 2018 Mar 31, 2018 Surface Water Treatment Rule MR No Yes — — — Resolved Mar 31, 2018 Surface Water Treatment Rule
Feb 1, 2018 Feb 28, 2018 Surface Water Treatment Rule MR No Yes — — — Resolved Feb 28, 2018 Surface Water Treatment Rule
Feb 1, 2018 Feb 28, 2018 Surface Water Treatment Rule MR No Yes — — — Resolved Feb 28, 2018 Surface Water Treatment Rule
Feb 1, 2018 Feb 28, 2018 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Feb 28, 2018 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jul 1, 2016 Sep 30, 2016 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Sep 30, 2016 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2016 Sep 30, 2016 TTHM MR No Yes — 0.080 mg/L — Resolved Sep 30, 2016 Stage 2 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2015 Aug 31, 2015 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Aug 31, 2015 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Aug 1, 2015 Aug 31, 2015 Surface Water Treatment Rule MR No Yes — — — Resolved Aug 31, 2015 Surface Water Treatment Rule
Aug 1, 2015 Aug 31, 2015 Surface Water Treatment Rule MR No Yes — — — Resolved Aug 31, 2015 Surface Water Treatment Rule
Oct 1, 2013 Dec 31, 2013 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2013 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2013 Dec 31, 2013 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2013 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2012 Jun 30, 2012 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Jun 30, 2012 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2012 Jun 30, 2012 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Jun 30, 2012 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2012 Jun 30, 2012 TTHM MR No Yes — 0.080 mg/L — Resolved Jun 30, 2012 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2012 Jun 30, 2012 TTHM MR No Yes — 0.080 mg/L — Resolved Jun 30, 2012 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2012 Mar 31, 2012 TTHM MR No Yes — 0.080 mg/L — Resolved Mar 31, 2012 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2012 Mar 31, 2012 TTHM MR No Yes — 0.080 mg/L — Resolved Mar 31, 2012 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2012 Mar 31, 2012 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Mar 31, 2012 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2012 Mar 31, 2012 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Mar 31, 2012 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2011 Mar 31, 2011 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Mar 31, 2011 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2011 Mar 31, 2011 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Mar 31, 2011 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2011 Mar 31, 2011 TTHM MR No Yes — 0.080 mg/L — Resolved Mar 31, 2011 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2011 Mar 31, 2011 TTHM MR No Yes — 0.080 mg/L — Resolved Mar 31, 2011 Stage 1 Disinfectants and Disinfection Byproducts Rule
Nov 1, 2010 Nov 30, 2010 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Nov 30, 2010 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Nov 1, 2010 Nov 30, 2010 Surface Water Treatment Rule MR No Yes — — — Resolved Nov 30, 2010 Surface Water Treatment Rule
Nov 1, 2010 Nov 30, 2010 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Nov 30, 2010 Interim and Long Term 1 Enhanced Surface Water Treatment Rule

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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