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SILVERTON, CITY OF

Oregon — Community Water System — PWSID: OR4100823

System Information

PWSIDOR4100823
System NameSILVERTON, CITY OF
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
CitySILVERTON
ZIP Code97381
Address400 SCHEMMEL LN
OrganizationSILVERTON, CITY OF
Phone503-396-7694

Population & Service

Population Served10,484
Service Connections3,775

Drinking Water Violations (114)

This water system has 114 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
Sep 1, 2025 Sep 30, 2025 Revised Total Coliform Rule MON No Yes — — — Archived Sep 30, 2025 Revised Total Coliform Rule
Dec 1, 2024 Dec 31, 2024 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Dec 31, 2024 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Dec 1, 2024 Dec 31, 2024 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Dec 31, 2024 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Dec 1, 2024 Dec 31, 2024 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Dec 31, 2024 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Oct 1, 2023 — Consumer Confidence Rule Other No No — — — Resolved Oct 24, 2023 Consumer Confidence Rule
Jan 1, 2022 Mar 31, 2022 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Mar 31, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2022 Mar 31, 2022 TTHM MR No Yes — 0.080 mg/L — Resolved Mar 31, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2021 Dec 31, 2021 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2021 Dec 31, 2021 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2021 Mar 31, 2021 TTHM MR No Yes — 0.080 mg/L — Resolved Mar 31, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2021 Mar 31, 2021 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Mar 31, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2020 Dec 31, 2020 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2020 Dec 31, 2020 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2020 Sep 30, 2020 TTHM MR No Yes — 0.080 mg/L — Resolved Sep 30, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2020 Sep 30, 2020 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Sep 30, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2020 Jun 30, 2020 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Jun 30, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2020 Jun 30, 2020 TTHM MR No Yes — 0.080 mg/L — Resolved Jun 30, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2020 Mar 31, 2020 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Mar 31, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2020 Mar 31, 2020 TTHM MR No Yes — 0.080 mg/L — Resolved Mar 31, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Nov 1, 2018 Nov 30, 2018 Revised Total Coliform Rule MON No Yes — — — Resolved Nov 30, 2018 Revised Total Coliform Rule
Jan 1, 2015 Dec 31, 2015 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2015 Dec 31, 2015 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2015 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
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
Mar 1, 2012 Mar 31, 2012 Surface Water Treatment Rule MR No Yes — — — Resolved Mar 31, 2012 Surface Water Treatment Rule
Mar 1, 2012 Mar 31, 2012 Surface Water Treatment Rule MR No Yes — — — Resolved Mar 31, 2012 Surface Water Treatment Rule
Mar 1, 2012 Mar 31, 2012 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Mar 31, 2012 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Mar 1, 2012 Mar 31, 2012 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Mar 31, 2012 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Mar 1, 2012 Mar 31, 2012 Surface Water Treatment Rule MR No Yes — — — Resolved Mar 31, 2012 Surface Water Treatment Rule
Mar 1, 2012 Mar 31, 2012 Surface Water Treatment Rule MR No Yes — — — Resolved Mar 31, 2012 Surface Water Treatment Rule
Jan 1, 2011 Dec 31, 2019 Selenium MR No No — 0.05 mg/L — Resolved Dec 31, 2019 Inorganic Chemicals
Jan 1, 2011 Dec 31, 2019 Beryllium, Total MR No No — 0.004 mg/L — Resolved Dec 31, 2019 Inorganic Chemicals
Jan 1, 2011 Dec 31, 2019 Antimony, Total MR No No — 0.006 mg/L — Resolved Dec 31, 2019 Inorganic Chemicals
Jan 1, 2011 Dec 31, 2019 Thallium, Total MR No No — 0.002 mg/L — Resolved Dec 31, 2019 Inorganic Chemicals
Jan 1, 2011 Dec 31, 2019 Nickel MR No No — — — Resolved Dec 31, 2019 Inorganic Chemicals
Jan 1, 2011 Dec 31, 2019 Cadmium MR No No — 0.005 mg/L — Resolved Dec 31, 2019 Inorganic Chemicals
Jan 1, 2011 Dec 31, 2019 Mercury MR No No — 0.002 mg/L — Resolved Dec 31, 2019 Inorganic Chemicals
Jan 1, 2011 Dec 31, 2019 Fluoride MR No No — 4.0 mg/L — Resolved Dec 31, 2019 Inorganic Chemicals
Jan 1, 2011 Dec 31, 2019 CYANIDE MR No No — 0.2 mg/L — Resolved Dec 31, 2019 Inorganic Chemicals
Jan 1, 2011 Dec 31, 2019 Chromium MR No No — 0.1 mg/L — Resolved Dec 31, 2019 Inorganic Chemicals
Jan 1, 2011 Dec 31, 2019 Barium MR No No — 2 mg/L — Resolved Dec 31, 2019 Inorganic Chemicals
Jan 1, 2011 Dec 31, 2019 Nitrite MR No No — 1 mg/L — Resolved Dec 31, 2019 Nitrate Rule
Mar 1, 2010 Mar 31, 2010 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Mar 31, 2010 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Mar 1, 2010 Mar 31, 2010 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Mar 31, 2010 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Mar 1, 2010 Mar 31, 2010 Surface Water Treatment Rule MR No Yes — — — Resolved Mar 31, 2010 Surface Water Treatment Rule
Mar 1, 2010 Mar 31, 2010 Surface Water Treatment Rule MR No Yes — — — Resolved Mar 31, 2010 Surface Water Treatment Rule
Jul 1, 2007 Sep 30, 2007 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Sep 30, 2007 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2007 Sep 30, 2007 TTHM MR No Yes — 0.080 mg/L — Resolved Sep 30, 2007 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2004 Dec 31, 2004 Arsenic MR No Yes — 0.010 mg/L — Resolved Dec 31, 2004 Arsenic Rule
Jan 1, 2003 Dec 31, 2003 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2003 Nitrate 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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