OHA Drinking Water Services
OR41
PWS ID: 00528 ---- MILWAUKIE, CITY OF
Maximum Residual Disinfection Level (MRDL) Samples
MRDL Monitoring Requirements :: Excel Spreadsheet

Monitoring
Period		 Entry
Point		 Samples
Required		 Samples
Collected		 Period
Avg		 Annual
Avg		 Level
Compliance
Jun 01, 2025 DIST-A 20 20 0.27 0.3Y
May 01, 2025 DIST-A 20 20 0.26 0.3Y
Apr 01, 2025 DIST-A 20 19 0.2 0.3Y
Mar 01, 2025 DIST-A 20 20 0.19 0.3Y
Feb 01, 2025 DIST-A 20 20 0.2 0.3Y
Jan 01, 2025 DIST-A 20 20 0.23 0.3Y
Dec 01, 2024 DIST-A 20 20 0.25 0.3Y
Nov 01, 2024 DIST-A 23 23 0.25 0.3Y
Oct 01, 2024 DIST-A 20 20 0.31 0.3Y
Sep 01, 2024 DIST-A 20 20 0.3 0.3Y
Aug 01, 2024 DIST-A 20 20 0.34 0.3Y
Jul 01, 2024 DIST-A 20 20 0.3 0.3Y
Jun 01, 2024 DIST-A 20 20 0.35 0.3Y
May 01, 2024 DIST-A 20 20 0.31 0.3Y
Apr 01, 2024 DIST-A 20 22 0.3 0.3Y
Mar 01, 2024 DIST-A 20 20 0.3 0.2Y
Feb 01, 2024 DIST-A 20 20 0.27 0.2Y
Jan 01, 2024 DIST-A 20 20 0.28 0.2Y
Dec 01, 2023 DIST-A 23 23 0.3 0.2Y
Nov 01, 2023 DIST-A 20 20 0.25 0.2Y
Oct 01, 2023 DIST-A 23 23 0.24 0.2Y
Sep 01, 2023 DIST-A 20 20 0.24 0.2Y
Aug 01, 2023 DIST-A 20 20 0.23 0.2Y
Jul 01, 2023 DIST-A 20 21 0.2 0.2Y
Jun 01, 2023 DIST-A 20 20 0.22 0.2Y
May 01, 2023 DIST-A 20 20 0.21 0.2Y
Apr 01, 2023 DIST-A 20 20 0.22 0.2Y
Mar 01, 2023 DIST-A 20 20 0.24 0.2Y
Feb 01, 2023 DIST-A 20 20 0.23 0.2Y
Jan 01, 2023 DIST-A 20 20 0.25 0.2Y
Dec 01, 2022 DIST-A 20 20 0.25 0.2Y
Nov 01, 2022 DIST-A 20 20 0.24 0.2Y
Oct 01, 2022 DIST-A 23 23 0.24 0.2Y
Sep 01, 2022 DIST-A 20 40 0.24 0.2Y
Aug 01, 2022 DIST-A 20 40 0.2 0.2Y
Jul 01, 2022 DIST-A 23 23 0.2 0.2Y
Jun 01, 2022 DIST-A 20 40 0.2 0.2Y
May 01, 2022 DIST-A 20 40 0.21 0.2Y
Apr 01, 2022 DIST-A 20 40 0.23 0.2Y
Mar 01, 2022 DIST-A 20 40 0.26 0.2Y
Feb 01, 2022 DIST-A 20 40 0.26 0.3Y
Jan 01, 2022 DIST-A 20 40 0.24 0.3Y
Dec 01, 2021 DIST-A 20 40 0.25 0.3Y
Nov 01, 2021 DIST-A 20 20 0.25 0.3Y
Oct 01, 2021 DIST-A 20 40 0.23 0.3Y
Sep 01, 2021 DIST-A 20 40 0.2 0.3Y
Aug 01, 2021 DIST-A 20 40 0.19 0.3Y
Jul 01, 2021 DIST-A 20 40 0.2 0.3Y
Jun 01, 2021 DIST-A 20 40 0.29 0.3Y
May 01, 2021 DIST-A 20 40 0.3 0.3Y
Apr 01, 2021 DIST-A 20 40 0.31 0.3Y
Mar 01, 2021 DIST-A 20 40 0.38 0.3Y
Feb 01, 2021 DIST-A 20 40 0.4 0.3Y
Jan 01, 2021 DIST-A 20 40 0.3 0.3Y
Dec 01, 2020 DIST-A 20 40 0.37 0.3Y
Nov 01, 2020 DIST-A 20 40 0.37 0.3Y
Oct 01, 2020 DIST-A 20 40 0.34 0.3Y
Sep 01, 2020 DIST-A 20 40 0.32 0.3Y
Aug 01, 2020 DIST-A 20 42 0.32 0.3Y
Jul 01, 2020 DIST-A 20 40 0.3 0.3Y
Jun 01, 2020 DIST-A 20 20 0.3 0.2Y
May 01, 2020 DIST-A 20 40 0.28 0.2Y
Apr 01, 2020 DIST-A 20 40 0.29 0.2Y
Mar 01, 2020 DIST-A 20 40 0.26 0.2Y
Feb 01, 2020 DIST-A 20 40 0.26 0.2Y
Jan 01, 2020 DIST-A 20 40 0.24 0.2Y
Dec 01, 2019 DIST-A 20 20 0.3 0.2Y
Nov 01, 2019 DIST-A 20 20 0.2 0.2Y
Oct 01, 2019 DIST-A 23 23 0.19 0.2Y
Sep 01, 2019 DIST-A 20 20 0.2 0.2Y
Aug 01, 2019 DIST-A 20 20 0.2 0.2Y
Jul 01, 2019 DIST-A 20 20 0.2 0.2Y
Jun 01, 2019 DIST-A 20 20 0.22 0.2Y
May 01, 2019 DIST-A 20 20 0.20 0.2Y
Apr 01, 2019 DIST-A 20 20 0.2 0.2Y
Mar 01, 2019 DIST-A 20 20 0.18 0.2Y
Feb 01, 2019 DIST-A 20 20 0.18 0.2Y
Jan 01, 2019 DIST-A 20 20 0.16 0.2Y
Dec 01, 2018 DIST-A 20 20 0.2 0.2Y
Nov 01, 2018 DIST-A 20 20 0.18 0.2Y
Oct 01, 2018 DIST-A 20 20 0.17 0.2Y
Sep 01, 2018 DIST-A 20 20 0.2 0.2Y
Aug 01, 2018 DIST-A 23 23 0.2 0.2Y
Jul 01, 2018 DIST-A 20 20 0.2 0.2Y
Jun 01, 2018 DIST-A 20 20 0.2 0.2Y
May 01, 2018 DIST-A 20 20 0.16 0.2Y
Apr 01, 2018 DIST-A 20 20 0.16 0.2Y
Mar 01, 2018 DIST-A 20 20 0.2 0.2Y
Feb 01, 2018 DIST-A 20 20 0.2 0.2Y
Jan 01, 2018 DIST-A 20 20 0.18 0.2Y
Dec 01, 2017 DIST-A 20 20 0.2 0.2Y
Nov 01, 2017 DIST-A 20 20 0.17 0.2Y
Oct 01, 2017 DIST-A 20 20 0.16 0.2Y
Sep 01, 2017 DIST-A 20 20 0.1 0.2Y
Aug 01, 2017 DIST-A 20 20 0.2 0.2Y
Jul 01, 2017 DIST-A 20 20 0.18 0.2Y
Jun 01, 2017 DIST-A 20 20 0.2 0.2Y
May 01, 2017 DIST-A 20 20 0.16 0.2Y
Apr 01, 2017 DIST-A 20 20 0.19 0.2Y
Mar 01, 2017 DIST-A 23 26 0.18 0.2Y
Feb 01, 2017 DIST-A 20 20 0.2 0.2Y
Jan 01, 2017 DIST-A 20 20 0.20 0.2Y
Dec 01, 2016 DIST-A 20 20 0.19 0.2Y
Nov 01, 2016 DIST-A 23 48 0.2 0.2Y
Oct 01, 2016 DIST-A 20 20 0.2 0.2Y
Sep 01, 2016 DIST-A 20 20 0.17 0.2Y
Aug 01, 2016 DIST-A 20 21 0.17 0.2Y
Jul 01, 2016 DIST-A 20 20 0.2 0.2Y
Jun 01, 2016 DIST-A 20 20 0.16 0.2Y
May 01, 2016 DIST-A 20 20 0.2 0.2Y
Apr 01, 2016 DIST-A 20 20 0.18 0.2Y
Mar 01, 2016 DIST-A 20 20 0.2 0.2Y
Feb 01, 2016 DIST-A 20 20 0.19 0.2Y
Jan 01, 2016 DIST-A 20 20 0.17 0.2Y
Dec 01, 2015 DIST-A 20 20 0.2 0.2Y
Nov 01, 2015 DIST-A 20 20 0.2 0.2Y
Oct 01, 2015 DIST-A 20 20 0.18 0.2Y
Sep 01, 2015 DIST-A 20 20 0.2 0.2Y
Aug 01, 2015 DIST-A 23 26 0.2 0.2Y
Jul 01, 2015 DIST-A 23 24 0.2 0.2Y
Jun 01, 2015 DIST-A 20 20 0.2 0.2Y
May 01, 2015 DIST-A 20 20 0.17 0.2Y
Apr 01, 2015 DIST-A 20 20 0.17 0.2Y
Mar 01, 2015 DIST-A 20 20 0.19 0.2Y
Feb 01, 2015 DIST-A 20 20 0.21 0.2Y
Jan 01, 2015 DIST-A 20 20 0.2 0.2Y
Dec 01, 2014 DIST-A 20 20 0.17 0.2Y
Nov 01, 2014 DIST-A 23 26 0.2 0.2Y
Oct 01, 2014 DIST-A 20 20 0.19 0.2Y
Sep 01, 2014 DIST-A 20 20 0.2 0.2Y
Aug 01, 2014 DIST-A 20 20 0.2 0.2Y
Jul 01, 2014 DIST-A 20 20 0.2 0.2Y
Jun 01, 2014 DIST-A 20 20 0.19 0.2Y
May 01, 2014 DIST-A 20 20 0.2 0.2Y
Apr 01, 2014 DIST-A 20 20 0.18 0.2Y
Mar 01, 2014 DIST-A 20 21 0.18 0.2Y
Feb 01, 2014 DIST-A 20 20 0.18 0.2Y
Jan 01, 2014 DIST-A 20 20 0.18 0.2Y
Dec 01, 2013 DIST-A 20 25 0.16 0.2Y
Nov 01, 2013 DIST-A 20 26 0.16 0.2Y
Oct 01, 2013 DIST-A 20 25 0.17 0.2Y
Sep 01, 2013 DIST-A 20 25 0.2 0.2Y
Aug 01, 2013 DIST-A 20 25 0.18 0.2Y
Jul 01, 2013 DIST-A 20 25 0.18 0.2Y
Jun 01, 2013 DIST-A 20 25 0.19 0.2Y
May 01, 2013 DIST-A 20 25 0.2 0.2Y
Apr 01, 2013 DIST-A 20 28 0.21 0.2Y
Mar 01, 2013 DIST-A 20 25 0.20 0.2Y
Feb 01, 2013 DIST-A 20 25 0.20 0.2Y
Jan 01, 2013 DIST-A 20 25 0.2 0.2Y
Dec 01, 2012 DIST-A 20 25 0.2 0.2Y
Nov 01, 2012 DIST-A 20 25 0.2 0.2Y
Oct 01, 2012 DIST-A 20 26 0.2 0.2Y
Sep 01, 2012 DIST-A 20 25 0.2 0.2Y
Aug 01, 2012 DIST-A 20 20 0.22 0.2Y
Jul 01, 2012 DIST-A 20 20 0.21 0.2Y
Jun 01, 2012 DIST-A 20 20 0.19 0.2Y
May 01, 2012 DIST-A 23 28 0.2 0.2Y
Apr 01, 2012 DIST-A 20 20 0.20 0.2Y
Mar 01, 2012 DIST-A 20 20 0.20 0.2Y
Feb 01, 2012 DIST-A 20 20 0.19 0.2Y
Jan 01, 2012 DIST-A 20 21 0.20 0.2Y
Dec 01, 2011 DIST-A 20 20 0.20 0.2Y
Nov 01, 2011 DIST-A 20 20 0.19 0.2Y
Oct 01, 2011 DIST-A 20 20 0.20 0.2Y
Sep 01, 2011 DIST-A 20 20 0.20 0.2Y
Aug 01, 2011 DIST-A 20 21 0.201 0.2Y
Jul 01, 2011 DIST-A 20 20 0.18 0.2Y
Jun 01, 2011 DIST-A 20 20 0.17 0.2Y
May 01, 2011 DIST-A 20 20 0.20 0.2Y
Apr 01, 2011 DIST-A 20 20 0.19 0.2Y
Mar 01, 2011 DIST-A 20 20 0.18 0.2Y
Feb 01, 2011 DIST-A 20 20 0.19 0.2Y
Jan 01, 2011 DIST-A 20 20 0.19 0.2Y
Dec 01, 2010 DIST-A 20 21 0.19 0.2Y
Nov 01, 2010 DIST-A 20 20 0.20 0.2Y
Oct 01, 2010 DIST-A 20 20 0.22 0.2Y
Sep 01, 2010 DIST-A 20 21 0.21 0.2Y
Aug 01, 2010 DIST-A 20 21 0.19 0.2Y
Jul 01, 2010 DIST-A 20 22 0.18 0.2Y
Jun 01, 2010 DIST-A 20 20 0.17 0.2Y
May 01, 2010 DIST-A 20 20 0.2 0.2Y
Apr 01, 2010 DIST-A 20 20 0.19 0.2Y
Mar 01, 2010 DIST-A 20 20 0.19 0.2Y
Feb 01, 2010 DIST-A 20 27 0.19 0.2Y
Jan 01, 2010 DIST-A 20 20 0.17 0.2Y
Dec 01, 2009 DIST-A 20 21 0.21 0.2Y
Nov 01, 2009 DIST-A 20 20 0.20 0.2Y
Oct 01, 2009 DIST-A 20 20 0.22 0.2Y
Sep 01, 2009 DIST-A 20 21 0.21 0.2Y
Aug 01, 2009 DIST-A 20 22 0.21 0.2Y
Jul 01, 2009 DIST-A 20 21 0.24 0.2Y
Jun 01, 2009 DIST-A 20 22 0.21 0.2Y
May 01, 2009 DIST-A 20 20 0.2 0.2Y
Apr 01, 2009 DIST-A 20 20 0.2 0.2Y
Mar 01, 2009 DIST-A 20 20 0.2 0.2Y
Feb 01, 2009 DIST-A 20 20 0.2 0.2Y
Jan 01, 2009 DIST-A 20 21 0.20 0.2Y
Dec 01, 2008 DIST-A 20 22 0.24 0.2Y
Nov 01, 2008 DIST-A 20 20 0.20 0.2Y
Oct 01, 2008 DIST-A 20 20 0.21 0.2Y
Sep 01, 2008 DIST-A 20 20 0.21 0.2Y
Aug 01, 2008 DIST-A 20 22 0.21 0.2Y
Jul 01, 2008 DIST-A 20 28 0.22 0.2Y
Jun 01, 2008 DIST-A 20 20 0.22 0.2Y
May 01, 2008 DIST-A 20 20 0.22 0.2Y
Apr 01, 2008 DIST-A 20 22 0.22 0.2Y
Mar 01, 2008 DIST-A 20 22 0.20 0.2Y
Feb 01, 2008 DIST-A 20 24 0.21 0.2Y
Jan 01, 2008 DIST-A 20 20 0.21 0.2Y
Dec 01, 2007 DIST-A 20 20 0.24 0.2Y
Nov 01, 2007 DIST-A 20 21 0.26 0.2Y
Oct 01, 2007 DIST-A 20 23 0.24 0.2Y
Sep 01, 2007 DIST-A 20 20 0.24 0.2Y
Aug 01, 2007 DIST-A 20 20 0.24 0.2Y
Jul 01, 2007 DIST-A 20 28 0.20 0.3Y
Jun 01, 2007 DIST-A 20 21 0.24 0.3Y
May 01, 2007 DIST-A 20 20 0.19 0.3Y
Apr 01, 2007 DIST-A 20 22 0.23 0.3Y
Mar 01, 2007 DIST-A 0 21 0.24 0.3Y
Feb 01, 2007 DIST-A 20 20 0.27 0.3Y
Jan 01, 2007 DIST-A 20 22 0.28 0.3Y
Dec 01, 2006 DIST-A 20 23 0.29 0.3Y
Nov 01, 2006 DIST-A 10 21 0.27 0.3Y
Oct 01, 2006 DIST-A 80 23 0.26 0.3Y
Sep 01, 2006 DIST-A 0 20 0.27 0.3Y
Aug 01, 2006 DIST-A 20 24 0.27 0.3Y
Jul 01, 2006 DIST-A 20 21 0.28 0.3Y
Jun 01, 2006 DIST-A 20 21 0.30 0.3Y
May 01, 2006 DIST-A 20 20 0.27 0.3Y
Apr 01, 2006 DIST-A 20 22 0.26 0.3Y
Mar 01, 2006 DIST-A 20 23 0.33 0.2Y
Feb 01, 2006 DIST-A 20 20 0.31 0.2Y
Jan 01, 2006 DIST-A 30 22 0.27 0.2Y
Dec 01, 2005 DIST-A 20 23 0.25 0.2Y
Nov 01, 2005 DIST-A 120 21 0.21 0.2Y
Oct 01, 2005 DIST-A 20 27 0.22 0.2Y
Sep 01, 2005 DIST-A 20 20 0.22 0.2Y
Aug 01, 2005 DIST-A 20 20 0.24 0.2Y
Jul 01, 2005 DIST-A 20 26 0.25 0.2Y
Jun 01, 2005 DIST-A 20 21 0.24 0.2Y
May 01, 2005 DIST-A 20 20 0.21 0.2Y
Apr 01, 2005 DIST-A 20 20 0.25 0.3Y
Mar 01, 2005 DIST-A 20 21 0.21 0.3Y
Feb 01, 2005 DIST-A 20 20 0.22 0.3Y
Jan 01, 2005 DIST-A 20 21 0.19 0.3Y
Dec 01, 2004 DIST-A 20 23 0.26 0.3Y
Nov 01, 2004 DIST-A 20 21 0.21 0.3Y
Oct 01, 2004 DIST-A 20 20 .18 0.3Y
Sep 01, 2004 DIST-A 20 20 0.19 0.3Y
 



More information for this water system: SDWIS ID 3757
System Info  ::  Report for Lenders  ::  Alerts  ::  Violations  ::  Compliance & Enforcement  ::  Contacts & Advisories  ::  Site Visits  ::  Public Notice
Coliform Summary  ::  Coliform Results  ::  Coliform Schedules  ::  LT2  ::  GW/GWUDI Source Details  ::  Plan Review  ::  Annual Fee
Chemical Summary  ::  Chemical Results  ::  Chemical Schedules  ::  Chemical Schedule Summary  ::  Arsenic RAA  ::  Cyanotoxins  ::  PFAS
Lead & Copper  ::  DBP Sample Sites  ::  FANLs  ::  MRDL  ::  GWR 4-Log  ::  Turbidity  ::  SWTR  ::  LRAA  ::  DW Source Protection
Information for all water systems:
Water System Inventory  ::  Water System Surveys  ::  Outstanding Performers  ::  Treatment Plant Inspections  ::  Treatment  ::  Plan Reviews
Alerts  ::  Violations  ::  Compliance & Enforcement  ::  Deficiencies  ::  System Scores  ::  Exceedances  ::  Public Notices  ::  Service Lines
Water Advisories  ::  Contact Reports  ::  Cyanotoxins  ::  PFAS  ::  Post-wildfire VOCs  ::  Fluoride  ::  Certification List  ::  DW Source Protection
Main menu:
Introduction  ::  Data Search Options  ::  Water System Search  ::  DWS Home  ::  DWS Rules
Need help? Email Drinking Water Services for assistance.Staff/Partner Login