OHA Drinking Water Services
OR41
PWS ID: 00164 ---- CANNON BEACH, 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
Apr 01, 2025 DIST-A 2 4 0.7 0.6Y
Mar 01, 2025 DIST-A 2 4 0.6 0.6Y
Feb 01, 2025 DIST-A 2 4 0.6 0.6Y
Jan 01, 2025 DIST-A 2 4 0.6 0.6Y
Dec 01, 2024 DIST-A 2 4 0.6 0.6Y
Nov 01, 2024 DIST-A 2 4 0.6 0.6Y
Oct 01, 2024 DIST-A 2 4 0.6 0.6Y
Sep 01, 2024 DIST-A 2 4 0.6 0.6Y
Aug 01, 2024 DIST-A 2 4 0.6 0.6Y
Jul 01, 2024 DIST-A 2 4 0.6 0.6Y
Jun 01, 2024 DIST-A 2 4 0.6 0.6Y
May 01, 2024 DIST-A 2 4 0.6 0.6Y
Apr 01, 2024 DIST-A 2 4 0.6 0.6Y
Mar 01, 2024 DIST-A 2 4 0.6 0.6Y
Feb 01, 2024 DIST-A 2 4 0.6 0.6Y
Jan 01, 2024 DIST-A 2 4 0.6 0.6Y
Dec 01, 2023 DIST-A 2 4 0.6 0.6Y
Nov 01, 2023 DIST-A 2 2 0.4 0.6Y
Oct 01, 2023 DIST-A 2 4 0.5 0.6Y
Sep 01, 2023 DIST-A 2 4 0.6 0.6Y
Aug 01, 2023 DIST-A 2 4 0.6 0.6Y
Jul 01, 2023 DIST-A 2 2 0.6 0.6Y
Jun 01, 2023 DIST-A 2 4 0.6 0.6Y
May 01, 2023 DIST-A 2 4 0.6 0.6Y
Apr 01, 2023 DIST-A 2 4 0.6 0.6Y
Mar 01, 2023 DIST-A 2 4 0.6 0.6Y
Feb 01, 2023 DIST-A 2 4 0.6 0.6Y
Jan 01, 2023 DIST-A 2 4 0.6 0.6Y
Dec 01, 2022 DIST-A 2 4 0.6 0.6Y
Nov 01, 2022 DIST-A 2 4 0.6 0.6Y
Oct 01, 2022 DIST-A 2 4 0.6 0.6Y
Sep 01, 2022 DIST-A 2 4 0.6 0.6Y
Aug 01, 2022 DIST-A 2 4 0.6 0.6Y
Jul 01, 2022 DIST-A 2 4 0.6 0.6Y
Jun 01, 2022 DIST-A 2 4 0.6 0.6Y
May 01, 2022 DIST-A 2 4 0.6 0.6Y
Apr 01, 2022 DIST-A 2 4 0.6 0.6Y
Mar 01, 2022 DIST-A 2 4 0.6 0.6Y
Feb 01, 2022 DIST-A 2 4 0.6 0.6Y
Jan 01, 2022 DIST-A 2 4 0.6 0.6Y
Dec 01, 2021 DIST-A 2 4 0.6 0.6Y
Nov 01, 2021 DIST-A 2 4 0.6 0.6Y
Oct 01, 2021 DIST-A 2 4 0.6 0.6Y
Sep 01, 2021 DIST-A 2 4 0.5 0.6Y
Aug 01, 2021 DIST-A 2 4 0.6 0.6Y
Jul 01, 2021 DIST-A 2 4 0.6 0.6Y
Jun 01, 2021 DIST-A 2 4 0.6 0.6Y
May 01, 2021 DIST-A 2 4 0.6 0.6Y
Apr 01, 2021 DIST-A 2 4 0.6 0.6Y
Mar 01, 2021 DIST-A 2 4 0.6 0.6Y
Feb 01, 2021 DIST-A 2 4 0.6 0.6Y
Jan 01, 2021 DIST-A 2 4 0.6 0.6Y
Dec 01, 2020 DIST-A 2 2 0.6 0.6Y
Nov 01, 2020 DIST-A 2 4 0.6 0.6Y
Oct 01, 2020 DIST-A 2 4 0.5 0.6Y
Sep 01, 2020 DIST-A 2 4 0.6 0.6Y
Aug 01, 2020 DIST-A 2 4 0.6 0.6Y
Jul 01, 2020 DIST-A 2 4 0.6 0.6Y
Jun 01, 2020 DIST-A 2 4 0.5 0.6Y
May 01, 2020 DIST-A 2 4 0.5 0.6Y
Apr 01, 2020 DIST-A 2 4 0.6 0.6Y
Mar 01, 2020 DIST-A 2 4 0.6 0.6Y
Feb 01, 2020 DIST-A 2 4 0.5 0.6Y
Jan 01, 2020 DIST-A 2 4 0.6 0.6Y
Dec 01, 2019 DIST-A 2 4 0.6 0.6Y
Nov 01, 2019 DIST-A 2 4 0.6 0.6Y
Oct 01, 2019 DIST-A 2 4 0.5 0.6Y
Sep 01, 2019 DIST-A 2 4 0.6 0.6Y
Aug 01, 2019 DIST-A 2 4 0.5 0.6Y
Jul 01, 2019 DIST-A 2 4 0.6 0.6Y
Jun 01, 2019 DIST-A 2 4 0.6 0.6Y
May 01, 2019 DIST-A 2 4 0.6 0.6Y
Apr 01, 2019 DIST-A 2 4 0.5 0.6Y
Mar 01, 2019 DIST-A 2 4 0.5 0.6Y
Feb 01, 2019 DIST-A 2 4 0.6 0.6Y
Jan 01, 2019 DIST-A 2 4 0.5 0.6Y
Dec 01, 2018 DIST-A 2 2 0.6 0.6Y
Nov 01, 2018 DIST-A 2 4 0.7 0.6Y
Oct 01, 2018 DIST-A 2 4 0.6 0.5Y
Sep 01, 2018 DIST-A 2 4 0.5 0.5Y
Aug 01, 2018 DIST-A 2 4 0.6 0.5Y
Jul 01, 2018 DIST-A 2 4 0.7 0.5Y
Jun 01, 2018 DIST-A 2 4 0.60 0.5Y
May 01, 2018 DIST-A 2 4 0.6 0.5Y
Apr 01, 2018 DIST-A 2 4 0.5 0.5Y
Mar 01, 2018 DIST-A 2 4 0.5 0.5Y
Feb 01, 2018 DIST-A 2 4 0.5 0.5Y
Jan 01, 2018 DIST-A 2 4 0.5 0.5Y
Dec 01, 2017 DIST-A 2 4 0.4 0.5Y
Nov 01, 2017 DIST-A 2 4 0.5 0.5Y
Oct 01, 2017 DIST-A 2 4 0.4 0.5Y
Sep 01, 2017 DIST-A 2 4 0.6 0.5Y
Aug 01, 2017 DIST-A 2 4 0.5 0.5Y
Jul 01, 2017 DIST-A 2 4 0.5 0.5Y
Jun 01, 2017 DIST-A 2 4 0.5 0.5Y
May 01, 2017 DIST-A 2 4 0.5 0.5Y
Apr 01, 2017 DIST-A 2 4 0.50 0.5Y
Mar 01, 2017 DIST-A 2 4 0.5 0.5Y
Feb 01, 2017 DIST-A 2 4 0.4 0.5Y
Jan 01, 2017 DIST-A 2 4 0.5 0.5Y
Dec 01, 2016 DIST-A 2 4 0.5 0.5Y
Nov 01, 2016 DIST-A 2 4 0.4 0.5Y
Oct 01, 2016 DIST-A 2 4 0.5 0.5Y
Sep 01, 2016 DIST-A 2 4 0.3 0.5Y
Aug 01, 2016 DIST-A 2 4 0.5 0.5Y
Jul 01, 2016 DIST-A 2 4 0.5 0.5Y
Jun 01, 2016 DIST-A 2 4 0.5 0.5Y
May 01, 2016 DIST-A 2 4 0.5 0.5Y
Apr 01, 2016 DIST-A 2 4 0.5 0.5Y
Mar 01, 2016 DIST-A 2 4 1 0.5Y
Feb 01, 2016 DIST-A 2 4 0.5 0.5Y
Jan 01, 2016 DIST-A 2 4 0.4 0.5Y
Dec 01, 2015 DIST-A 2 4 0.5 0.5Y
Nov 01, 2015 DIST-A 2 4 0.5 0.5Y
Oct 01, 2015 DIST-A 2 4 0.5 0.5Y
Sep 01, 2015 DIST-A 2 4 0.5 0.5Y
Aug 01, 2015 DIST-A 2 4 0.4 0.5Y
Jul 01, 2015 DIST-A 2 4 0.4 0.5Y
Jun 01, 2015 DIST-A 2 4 0.5 0.5Y
May 01, 2015 DIST-A 2 4 0.40 0.5Y
Apr 01, 2015 DIST-A 2 4 0.5 0.4Y
Mar 01, 2015 DIST-A 2 4 0.4 0.4Y
Feb 01, 2015 DIST-A 2 4 0.5 0.4Y
Jan 01, 2015 DIST-A 2 4 1.1 0.4Y
Dec 01, 2014 DIST-A 2 4 0.42 0.3Y
Nov 01, 2014 DIST-A 2 3 0.33 0.3Y
Oct 01, 2014 DIST-A 2 4 0.3 0.3Y
Sep 01, 2014 DIST-A 2 4 0.4 0.3Y
Aug 01, 2014 DIST-A 2 4 0.35 0.4Y
Jul 01, 2014 DIST-A 2 4 0.4 0.4Y
Jun 01, 2014 DIST-A 2 4 0.3 0.4Y
May 01, 2014 DIST-A 2 4 0.3 0.3Y
Apr 01, 2014 DIST-A 2 4 0.3 0.3Y
Mar 01, 2014 DIST-A 2 4 0.4 0.4Y
Feb 01, 2014 DIST-A 2 4 0.36 0.4Y
Jan 01, 2014 DIST-A 2 4 0.3 0.4Y
Dec 01, 2013 DIST-A 2 4 0.3 0.4Y
Nov 01, 2013 DIST-A 3 4 0.28 0.4Y
Oct 01, 2013 DIST-A 3 4 0.48 0.4Y
Sep 01, 2013 DIST-A 3 5 0.5 0.4Y
Aug 01, 2013 DIST-A 3 4 0.34 0.4Y
Jul 01, 2013 DIST-A 3 4 0.41 0.4Y
Jun 01, 2013 DIST-A 3 4 0.21 0.4Y
May 01, 2013 DIST-A 3 4 0.3 0.4Y
Apr 01, 2013 DIST-A 3 4 0.4 0.4Y
Mar 01, 2013 DIST-A 3 4 0.4 0.4Y
Feb 01, 2013 DIST-A 3 4 0.50 0.4Y
Jan 01, 2013 DIST-A 3 4 0.38 0.3Y
Dec 01, 2012 DIST-A 3 4 0.26 0.3Y
Nov 01, 2012 DIST-A 3 4 0.31 0.3Y
Oct 01, 2012 DIST-A 3 4 0.44 0.3Y
Sep 01, 2012 DIST-A 3 4 0.31 0.3Y
Aug 01, 2012 DIST-A 3 4 0.6 0.4Y
Jul 01, 2012 DIST-A 3 4 0.3 0.4Y
Jun 01, 2012 DIST-A 3 4 0.45 0.5Y
May 01, 2012 DIST-A 3 4 0.3 0.5Y
Apr 01, 2012 DIST-A 3 4 0.3 0.5Y
Mar 01, 2012 DIST-A 3 4 0.33 0.6Y
Feb 01, 2012 DIST-A 3 4 0.2 0.6Y
Jan 01, 2012 DIST-A 3 4 0.3 0.6Y
Dec 01, 2011 DIST-A 3 4 0.3 0.6Y
Nov 01, 2011 DIST-A 3 4 0.30 0.7Y
Oct 01, 2011 DIST-A 3 4 0.30 0.7Y
Sep 01, 2011 DIST-A 3 4 0.88 0.7Y
Aug 01, 2011 DIST-A 3 4 0.8350 0.7Y
Jul 01, 2011 DIST-A 3 4 0.9900 0.7Y
Jun 01, 2011 DIST-A 3 4 0.71 0.6Y
May 01, 2011 DIST-A 3 4 0.69 0.6Y
Apr 01, 2011 DIST-A 3 4 0.76 0.6Y
Mar 01, 2011 DIST-A 3 4 0.5 0.6Y
Feb 01, 2011 DIST-A 3 4 0.67 0.6Y
Jan 01, 2011 DIST-A 3 4 0.86 0.5Y
Dec 01, 2010 DIST-A 3 4 0.7 0.5Y
Nov 01, 2010 DIST-A 3 4 0.5 0.4Y
Oct 01, 2010 DIST-A 3 4 0.52 0.4Y
Sep 01, 2010 DIST-A 3 4 0.5050 0.4Y
Aug 01, 2010 DIST-A 3 4 0.45 0.4Y
Jul 01, 2010 DIST-A 3 4 0.73 0.3Y
Jun 01, 2010 DIST-A 3 4 0.60 0.3Y
May 01, 2010 DIST-A 3 4 0.56 0.2Y
Apr 01, 2010 DIST-A 3 4 0.4 0.2Y
Mar 01, 2010 DIST-A 3 4 0.23 0.2Y
Feb 01, 2010 DIST-A 3 4 0.25 0.2Y
Jan 01, 2010 DIST-A 3 4 0.23 0.2Y
Dec 01, 2009 DIST-A 3 4 0.29 0.2Y
Nov 01, 2009 DIST-A 3 4 0.3 0.2Y
Oct 01, 2009 DIST-A 3 4 0.12 0.2Y
Sep 01, 2009 DIST-A 3 4 0.16 0.3Y
Aug 01, 2009 DIST-A 3 4 0.03 0.2Y
Jul 01, 2009 DIST-A 3 4 0.17 0.2Y
Jun 01, 2009 DIST-A 3 4 0.2 0.3Y
May 01, 2009 DIST-A 3 4 0.36 0.3Y
Apr 01, 2009 DIST-A 3 4 0.3 0.3Y
Mar 01, 2009 DIST-A 3 4 0.43 0.3Y
Feb 01, 2009 DIST-A 3 4 0.28 0.2Y
Jan 01, 2009 DIST-A 3 4 0.33 0.2Y
Dec 01, 2008 DIST-A 3 2 0.22 0.2Y
Nov 01, 2008 DIST-A 3 4 0.27 0.3Y
Oct 01, 2008 DIST-A 3 4 0.26 0.3Y
Sep 01, 2008 DIST-A 3 4 0.11 0.3Y
Aug 01, 2008 DIST-A 3 3 0.3Y
Jul 01, 2008 DIST-A 3 4 0.36 0.3Y
Jun 01, 2008 DIST-A 3 4 0.3 0.3Y
May 01, 2008 DIST-A 3 4 0.3 0.4Y
Apr 01, 2008 DIST-A 3 4 0.2 0.4Y
Mar 01, 2008 DIST-A 3 4 0.1 0.4Y
Feb 01, 2008 DIST-A 3 4 0.40 0.4Y
Jan 01, 2008 DIST-A 3 4 0.4 0.4Y
Dec 01, 2007 DIST-A 3 3 0.68 0.4Y
Nov 01, 2007 DIST-A 3 4 0.56 0.4Y
Oct 01, 2007 DIST-A 3 4 0.11 0.4Y
Sep 01, 2007 DIST-A 3 4 0.35 0.4Y
Aug 01, 2007 DIST-A 3 4 0.27 0.4Y
Jul 01, 2007 DIST-A 3 4 0.47 0.5Y
Jun 01, 2007 DIST-A 3 4 0.52 0.4Y
May 01, 2007 DIST-A 3 4 0.46 0.5Y
Apr 01, 2007 DIST-A 3 4 0.36 0.5Y
Mar 01, 2007 DIST-A 3 4 0.2 0.5Y
Feb 01, 2007 DIST-A 3 4 0.3 0.5Y
Jan 01, 2007 DIST-A 3 4 0.5 0.5Y
Dec 01, 2006 DIST-A 3 4 0.5 0.5Y
Nov 01, 2006 DIST-A 3 4 0.4 0.5Y
Oct 01, 2006 DIST-A 3 4 0.4 0.5Y
Sep 01, 2006 DIST-A 3 4 0.3 0.5Y
Aug 01, 2006 DIST-A 3 4 1 0.5Y
Jul 01, 2006 DIST-A 3 4 0.4 0.4Y
Jun 01, 2006 DIST-A 3 4 0.6 0.4Y
May 01, 2006 DIST-A 3 4 1 0.4Y
Apr 01, 2006 DIST-A 3 4 0.5 0.4Y
Mar 01, 2006 DIST-A 3 4 0.4 0.4Y
Feb 01, 2006 DIST-A 3 4 0.4 0.4Y
Jan 01, 2006 DIST-A 3 4 0.4 0.4Y
Dec 01, 2005 DIST-A 3 4 0.4 0.4Y
Nov 01, 2005 DIST-A 3 4 0.4 0.4Y
Oct 01, 2005 DIST-A 3 4 0.4 0.4Y
Sep 01, 2005 DIST-A 3 3 0.4Y
Aug 01, 2005 DIST-A 3 3 0.5Y
Jul 01, 2005 DIST-A 3 3 0.5Y
Jun 01, 2005 DIST-A 3 4 0.5 0.6Y
May 01, 2005 DIST-A 3 4 1 0.6Y
Apr 01, 2005 DIST-A 3 4 0.6 0.5Y
Mar 01, 2005 DIST-A 3 4 0.5 0.5Y
Feb 01, 2005 DIST-A 3 4 0.4 0.5Y
Jan 01, 2005 DIST-A 3 4 0.5 0.6Y
Dec 01, 2004 DIST-A 3 4 0.5 0.6Y
Nov 01, 2004 DIST-A 3 4 0.5 0.6Y
Oct 01, 2004 DIST-A 3 4 0.5 0.6Y
Sep 01, 2004 DIST-A 3 4 1 0.6Y
 



More information for this water system: SDWIS ID 3880
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