OHA Drinking Water Services
MRDL Monitoring Requirements :: Excel Spreadsheet

PWS ID: 00706 ---- RIDDLE, CITY OF
Maximum Residual Disinfection Level (MRDL) Samples

Monitoring
Period
Entry
Point
Samples
Required
Samples
Collected
Period
Avg
Annual
Avg
Level
Compliance
Jan 01, 2024 DIST-A 2 2 0.9 0.5Y
Dec 01, 2023 DIST-A 2 2 0.02 0.5Y
Nov 01, 2023 DIST-A 2 2 0.57 0.5Y
Oct 01, 2023 DIST-A 2 2 0.88 0.5Y
Sep 01, 2023 DIST-A 2 2 0.23 0.5Y
Aug 01, 2023 DIST-A 2 2 0.32 0.5Y
Jul 01, 2023 DIST-A 2 2 0.63 0.5Y
Jun 01, 2023 DIST-A 2 2 0.20 0.5Y
May 01, 2023 DIST-A 2 2 0.58 0.5Y
Apr 01, 2023 DIST-A 2 2 0.60 0.5Y
Mar 01, 2023 DIST-A 2 2 0.31 0.5Y
Feb 01, 2023 DIST-A 2 2 0.63 0.6Y
Jan 01, 2023 DIST-A 2 2 0.85 0.6Y
Dec 01, 2022 DIST-A 2 2 0.41 0.5Y
Nov 01, 2022 DIST-A 2 2 0.46 0.5Y
Oct 01, 2022 DIST-A 2 2 0.68 0.6Y
Sep 01, 2022 DIST-A 2 2 0.38 0.5Y
Aug 01, 2022 DIST-A 2 2 0.56 0.5Y
Jul 01, 2022 DIST-A 2 2 0.44 0.5Y
Jun 01, 2022 DIST-A 2 2 0.66 0.5Y
May 01, 2022 DIST-A 2 2 0.44 0.4Y
Apr 01, 2022 DIST-A 2 2 0.54 0.4Y
Mar 01, 2022 DIST-A 2 2 0.78 0.4Y
Feb 01, 2022 DIST-A 2 2 0.55 0.4Y
Jan 01, 2022 DIST-A 2 2 0.67 0.5Y
Dec 01, 2021 DIST-A 2 2 0.33 0.4Y
Nov 01, 2021 DIST-A 2 2 0.59 0.5Y
Oct 01, 2021 DIST-A 2 2 0.20 0.4Y
Sep 01, 2021 DIST-A 2 2 0.32 0.5Y
Aug 01, 2021 DIST-A 2 2 0.29 0.5Y
Jul 01, 2021 DIST-A 2 2 0.1 0.5Y
Jun 01, 2021 DIST-A 2 2 0.56 0.5Y
May 01, 2021 DIST-A 2 2 0.32 0.5Y
Apr 01, 2021 DIST-A 2 2 0.59 0.5Y
Mar 01, 2021 DIST-A 2 2 0.68 0.5Y
Feb 01, 2021 DIST-A 2 2 0.81 0.5Y
Jan 01, 2021 DIST-A 2 2 0.62 0.5Y
Dec 01, 2020 DIST-A 2 2 0.41 0.5Y
Nov 01, 2020 DIST-A 2 2 0.38 0.5Y
Oct 01, 2020 DIST-A 2 2 0.45 0.5Y
Sep 01, 2020 DIST-A 2 2 0.5 0.5Y
Aug 01, 2020 DIST-A 2 2 0.36 0.4Y
Jul 01, 2020 DIST-A 2 2 0.47 0.4Y
Jun 01, 2020 DIST-A 2 2 0.50 0.4Y
May 01, 2020 DIST-A 2 2 0.6 0.4Y
Apr 01, 2020 DIST-A 2 2 0.4 0.4Y
Mar 01, 2020 DIST-A 2 2 0.43 0.4Y
Feb 01, 2020 DIST-A 2 2 0.72 0.4Y
Jan 01, 2020 DIST-A 2 2 0.6 0.4Y
Dec 01, 2019 DIST-A 2 2 0.28 0.4Y
Nov 01, 2019 DIST-A 2 2 0.39 0.4Y
Oct 01, 2019 DIST-A 2 2 0.43 0.4Y
Sep 01, 2019 DIST-A 2 2 0.13 0.4Y
Aug 01, 2019 DIST-A 2 2 0.14 0.5Y
Jul 01, 2019 DIST-A 2 2 0.45 0.5Y
Jun 01, 2019 DIST-A 2 2 0.37 0.5Y
May 01, 2019 DIST-A 2 2 0.4 0.5Y
Apr 01, 2019 DIST-A 2 2 0.63 0.5Y
Mar 01, 2019 DIST-A 2 2 0.5 0.5Y
Feb 01, 2019 DIST-A 2 2 0.4 0.5Y
Jan 01, 2019 DIST-A 2 2 0.71 0.5Y
Dec 01, 2018 DIST-A 2 2 0.60 0.5Y
Nov 01, 2018 DIST-A 2 2 0.45 0.5Y
Oct 01, 2018 DIST-A 2 2 0.5 0.4Y
Sep 01, 2018 DIST-A 2 2 0.37 0.4Y
Aug 01, 2018 DIST-A 2 2 0.43 0.4Y
Jul 01, 2018 DIST-A 2 2 0.50 0.4Y
Jun 01, 2018 DIST-A 2 2 0.47 0.4Y
May 01, 2018 DIST-A 2 2 0.50 0.5Y
Apr 01, 2018 DIST-A 2 2 0.45 0.5Y
Mar 01, 2018 DIST-A 2 2 0.51 0.5Y
Feb 01, 2018 DIST-A 2 2 0.4 0.6Y
Jan 01, 2018 DIST-A 2 2 0.5 0.6Y
Dec 01, 2017 DIST-A 2 2 0.44 0.6Y
Nov 01, 2017 DIST-A 2 2 0.3 0.6Y
Oct 01, 2017 DIST-A 2 2 0.48 0.6Y
Sep 01, 2017 DIST-A 2 2 0.08 0.6Y
Aug 01, 2017 DIST-A 2 2 0.39 0.6Y
Jul 01, 2017 DIST-A 2 2 0.73 0.6Y
Jun 01, 2017 DIST-A 2 2 0.67 0.6Y
May 01, 2017 DIST-A 2 2 0.76 0.6Y
Apr 01, 2017 DIST-A 2 2 0.9 0.6Y
Mar 01, 2017 DIST-A 2 2 1 0.5Y
Feb 01, 2017 DIST-A 2 2 0.5 0.5Y
Jan 01, 2017 DIST-A 2 2 0.42 0.5Y
Dec 01, 2016 DIST-A 2 2 0.79 0.6Y
Nov 01, 2016 DIST-A 2 2 0.50 0.5Y
Oct 01, 2016 DIST-A 2 2 0.23 0.5Y
Sep 01, 2016 DIST-A 2 2 0.22 0.5Y
Aug 01, 2016 DIST-A 2 2 0.75 0.5Y
Jul 01, 2016 DIST-A 2 2 0.19 0.5Y
Jun 01, 2016 DIST-A 2 2 0.69 0.5Y
May 01, 2016 DIST-A 2 2 0.89 0.5Y
Apr 01, 2016 DIST-A 2 2 0.35 0.5Y
Mar 01, 2016 DIST-A 2 2 0.69 0.5Y
Feb 01, 2016 DIST-A 2 2 0.79 0.5Y
Jan 01, 2016 DIST-A 2 2 0.61 0.5Y
Dec 01, 2015 DIST-A 5 5 0.3 0.5Y
Nov 01, 2015 DIST-A 5 5 0.13 0.5Y
Oct 01, 2015 DIST-A 2 2 0.30 0.5Y
Sep 01, 2015 DIST-A 2 2 0.40 0.5Y
Aug 01, 2015 DIST-A 2 2 0.50 0.5Y
Jul 01, 2015 DIST-A 2 2 0.53 0.5Y
Jun 01, 2015 DIST-A 2 2 0.77 0.5Y
May 01, 2015 DIST-A 2 2 0.26 0.4Y
Apr 01, 2015 DIST-A 2 2 0.5 0.4Y
Mar 01, 2015 DIST-A 2 2 0.76 0.5Y
Feb 01, 2015 DIST-A 2 2 0.7 0.4Y
Jan 01, 2015 DIST-A 2 2 0.31 0.4Y
Dec 01, 2014 DIST-A 2 2 0.58 0.5Y
Nov 01, 2014 DIST-A 2 2 0.48 0.5Y
Oct 01, 2014 DIST-A 2 2 0.54 0.5Y
Sep 01, 2014 DIST-A 2 2 0.19 0.4Y
Aug 01, 2014 DIST-A 2 2 0.10 0.5Y
Jul 01, 2014 DIST-A 2 2 0.64 0.5Y
Jun 01, 2014 DIST-A 2 2 0.31 0.5Y
May 01, 2014 DIST-A 2 2 0.20 0.5Y
Apr 01, 2014 DIST-A 2 2 0.63 0.6Y
Mar 01, 2014 DIST-A 2 2 0.57 0.5Y
Feb 01, 2014 DIST-A 2 2 0.68 0.5Y
Jan 01, 2014 DIST-A 2 2 0.61 0.5Y
Dec 01, 2013 DIST-A 2 2 0.9 0.5Y
Nov 01, 2013 DIST-A 2 2 0.19 0.5Y
Oct 01, 2013 DIST-A 2 2 0.20 0.5Y
Sep 01, 2013 DIST-A 2 2 0.55 0.5Y
Aug 01, 2013 DIST-A 2 2 0.49 0.5Y
Jul 01, 2013 DIST-A 2 2 0.7 0.4Y
Jun 01, 2013 DIST-A 2 2 0.66 0.4Y
May 01, 2013 DIST-A 2 2 0.75 0.4Y
Apr 01, 2013 DIST-A 2 2 0.21 0.4Y
Mar 01, 2013 DIST-A 2 2 0.29 0.4Y
Feb 01, 2013 DIST-A 2 2 0.70 0.4Y
Jan 01, 2013 DIST-A 2 2 0.37 0.4Y
Dec 01, 2012 DIST-A 2 2 0.5 0.5Y
Nov 01, 2012 DIST-A 2 2 0.50 0.5Y
Oct 01, 2012 DIST-A 2 2 0.48 0.5Y
Sep 01, 2012 DIST-A 2 2 0.06 0.4Y
Aug 01, 2012 DIST-A 2 1 0.15 0.5Y
Jul 01, 2012 DIST-A 2 2 0.42 0.5Y
Jun 01, 2012 DIST-A 2 2 0.43 0.5Y
May 01, 2012 DIST-A 2 2 0.36 0.5Y
Apr 01, 2012 DIST-A 2 2 0.70 0.5Y
Mar 01, 2012 DIST-A 2 2 0.54 0.5Y
Feb 01, 2012 DIST-A 2 2 0.70 0.5Y
Jan 01, 2012 DIST-A 2 2 0.8 0.5Y
Dec 01, 2011 DIST-A 2 2 0.8 0.5Y
Nov 01, 2011 DIST-A 2 2 0.12 0.5Y
Oct 01, 2011 DIST-A 2 2 0.2450 0.5Y
Sep 01, 2011 DIST-A 2 2 0.6500 0.5Y
Aug 01, 2011 DIST-A 2 1 0.2300 0.5Y
Jul 01, 2011 DIST-A 2 2 0.4300 0.5Y
Jun 01, 2011 DIST-A 2 2 0.6750 0.5Y
May 01, 2011 DIST-A 2 2 0.7150 0.5Y
Apr 01, 2011 DIST-A 2 2 0.4700 0.5Y
Mar 01, 2011 DIST-A 2 1 0.5700 0.5Y
Feb 01, 2011 DIST-A 2 2 0.7100 0.5Y
Jan 01, 2011 DIST-A 2 2 0.65 0.5Y
Dec 01, 2010 DIST-A 2 2 0.2 0.5Y
Nov 01, 2010 DIST-A 2 2 0.13 0.6Y
Oct 01, 2010 DIST-A 2 2 0.2 0.6Y
Sep 01, 2010 DIST-A 2 2 0.68 0.7Y
Aug 01, 2010 DIST-A 2 2 0.76 0.7Y
Jul 01, 2010 DIST-A 2 2 0.38 0.6Y
Jun 01, 2010 DIST-A 2 2 0.84 0.6Y
May 01, 2010 DIST-A 2 2 0.52 0.6Y
Apr 01, 2010 DIST-A 2 2 0.57 0.6Y
Mar 01, 2010 DIST-A 2 2 0.79 0.6Y
Feb 01, 2010 DIST-A 2 2 0.63 0.5Y
Jan 01, 2010 DIST-A 2 2 0.78 0.5Y
Dec 01, 2009 DIST-A 2 2 0.68 0.5Y
Nov 01, 2009 DIST-A 2 2 0.7 0.5Y
Oct 01, 2009 DIST-A 2 2 0.61 0.4Y
Sep 01, 2009 DIST-A 2 2 0.66 0.4Y
Aug 01, 2009 DIST-A 2 2 0.24 0.4Y
Jul 01, 2009 DIST-A 2 2 0.74 0.4Y
Jun 01, 2009 DIST-A 2 2 0.28 0.4Y
May 01, 2009 DIST-A 2 2 0.3Y
Apr 01, 2009 DIST-A 2 2 0.66 0.4Y
Mar 01, 2009 DIST-A 2 2 0.3 0.4Y
Feb 01, 2009 DIST-A 2 2 0.6 0.4Y
Jan 01, 2009 DIST-A 2 2 0.8 0.4Y
Dec 01, 2008 DIST-A 2 2 0.4Y
Nov 01, 2008 DIST-A 2 2 0.4Y
Oct 01, 2008 DIST-A 2 2 0.4 0.5Y
Sep 01, 2008 DIST-A 2 2 0.24 0.5Y
Aug 01, 2008 DIST-A 2 2 0.4 0.5Y
Jul 01, 2008 DIST-A 2 2 0.6 0.5Y
Jun 01, 2008 DIST-A 2 2 0.5Y
May 01, 2008 DIST-A 2 2 0.5 0.5Y
Apr 01, 2008 DIST-A 2 2 0.59 0.5Y
Mar 01, 2008 DIST-A 2 2 0.58 0.6Y
Feb 01, 2008 DIST-A 2 2 0.59 0.6Y
Jan 01, 2008 DIST-A 2 2 0.55 0.8Y
Dec 01, 2007 DIST-A 2 2 0.4 0.8Y
Nov 01, 2007 DIST-A 2 2 0.59 0.8Y
Oct 01, 2007 DIST-A 2 2 0.39 0.8Y
Sep 01, 2007 DIST-A 2 2 0.3 0.8Y
Aug 01, 2007 DIST-A 2 2 0.5 0.8Y
Jul 01, 2007 DIST-A 2 2 0.64 0.8Y
Jun 01, 2007 DIST-A 2 1 0.69 0.8Y
May 01, 2007 DIST-A 2 2 0.72 0.8Y
Apr 01, 2007 DIST-A 2 2 0.70 0.8Y
Mar 01, 2007 DIST-A 2 2 0.74 0.7Y
Feb 01, 2007 DIST-A 2 2 3 0.7Y
Jan 01, 2007 DIST-A 2 2 0.7 0.5Y
Dec 01, 2006 DIST-A 2 2 0.48 0.5Y
Nov 01, 2006 DIST-A 2 2 0.45 0.5Y
Oct 01, 2006 DIST-A 2 2 0.49 0.5Y
Sep 01, 2006 DIST-A 2 2 0.76 0.5Y
Aug 01, 2006 DIST-A 2 2 0.54 0.5Y
Jul 01, 2006 DIST-A 2 2 0.37 0.5Y
Jun 01, 2006 DIST-A 2 2 0.51 0.5Y
May 01, 2006 DIST-A 2 2 0.54 0.5Y
Apr 01, 2006 DIST-A 2 2 0.46 0.5Y
Mar 01, 2006 DIST-A 2 2 0.41 0.5Y
Feb 01, 2006 DIST-A 2 2 0.52 0.5Y
Jan 01, 2006 DIST-A 2 2 0.7 0.5Y
Dec 01, 2005 DIST-A 2 2 0.5 0.5Y
Nov 01, 2005 DIST-A 2 2 0.71 0.5Y
Oct 01, 2005 DIST-A 2 2 0.38 0.4Y
Sep 01, 2005 DIST-A 2 2 0.3 0.4Y
Aug 01, 2005 DIST-A 2 2 0.66 0.4Y
Jul 01, 2005 DIST-A 2 2 0.5 0.4Y
Jun 01, 2005 DIST-A 2 2 0.70 0.4Y
May 01, 2005 DIST-A 2 2 0.41 0.4Y
Apr 01, 2005 DIST-A 2 2 0.52 0.4Y
Mar 01, 2005 DIST-A 2 2 0.34 0.4Y
Feb 01, 2005 DIST-A 2 2 0.32 0.4Y
Jan 01, 2005 DIST-A 2 2 0.39 0.4Y
Dec 01, 2004 DIST-A 2 1 0.38 0.4Y
Nov 01, 2004 DIST-A 2 2 0.36 0.4Y
Oct 01, 2004 DIST-A 2 2 0.36 0.3Y
Sep 01, 2004 DIST-A 2 2 0.29 0.3Y
 




For further information on this public water system, click on the area of interest below:
System Info  ::  Report for Lenders  ::  Alerts  ::  Violations  ::  Compliance & Enforcement  ::  Contacts & Advisories  ::  Site Visits  ::  Public Notice
Coliform Summary  ::  Coliform Results  ::  Sampling Schedule for Coliform  ::  Groundwater/GWUDI Source Details  ::  Plan Review  ::  Annual Fee
Chemical Group Summary  ::  Latest Chemical Results  ::  Entry Point Detects  ::  Single Analyte Results 
Chemical Schedule Summary  ::  Chemical Schedule Details
Lead & Copper  ::  Corrosion Control (LCR)  ::  Nitrate  ::  Arsenic  ::  Radionuclides  ::  GWR 4-Log  ::  LT2  ::  Cyanotoxins  ::  PFAS
DBPs  ::  TOC & Alkalinity  ::  DBP Sample Sites  ::  FANLs  ::  MRDL  ::  Turbidity  ::  SWTR  ::  RAA  ::  LRAAFor SDWIS: 3988

Information by county:
Inventory  ::  Surface Water Systems  ::  Water System Surveys  ::  Outstanding Performers  ::  Plan Reviews  ::  System Scores  ::  Exceedances
Alerts  ::  Violations  ::  Compliance & Enforcement  ::  Significant Deficiencies  ::  Treatment Plant Inspections  ::  Fluoride
Water Advisories  ::  Contact Reports  ::  Cyanotoxins  ::  PFAS  ::  Post-wildfire VOCs  ::  Public Notices

Inventory List for all Oregon Drinking Water Systems in Excel or printable screen format
Staff/Partner Login

Introduction  ::  Data Search Options  ::  Water System Search  ::  DWS Home

Need help? Email Drinking Water Services for assistance.