OHA Drinking Water Services
OR41
PWS ID: 00202 ---- COLTON WATER DISTRICT
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
Oct 01, 2024 DIST-A 2 2 0.53 0.7Y
Sep 01, 2024 DIST-A 2 2 0.79 0.7Y
Aug 01, 2024 DIST-A 2 2 0.86 0.7Y
Jul 01, 2024 DIST-A 2 2 0.43 0.7Y
Jun 01, 2024 DIST-A 2 2 0.78 0.7Y
May 01, 2024 DIST-A 2 2 0.81 0.6Y
Apr 01, 2024 DIST-A 2 2 0.52 0.6Y
Mar 01, 2024 DIST-A 2 2 0.57 0.6Y
Feb 01, 2024 DIST-A 2 2 0.75 0.6Y
Jan 01, 2024 DIST-A 2 2 0.83 0.6Y
Dec 01, 2023 DIST-A 2 2 1.47 0.5Y
Nov 01, 2023 DIST-A 2 2 0.64 0.5Y
Oct 01, 2023 DIST-A 2 2 0.4 0.5Y
Sep 01, 2023 DIST-A 2 2 0.35 0.5Y
Aug 01, 2023 DIST-A 2 2 0.49 0.5Y
Jul 01, 2023 DIST-A 2 2 0.42 0.5Y
Jun 01, 2023 DIST-A 2 2 0.48 0.5Y
May 01, 2023 DIST-A 2 2 0.24 0.6Y
Apr 01, 2023 DIST-A 2 2 0.55 0.6Y
Mar 01, 2023 DIST-A 2 2 0.42 0.6Y
Feb 01, 2023 DIST-A 2 2 0.5 0.6Y
Jan 01, 2023 DIST-A 2 2 0.56 0.6Y
Dec 01, 2022 DIST-A 2 2 0.56 0.6Y
Nov 01, 2022 DIST-A 2 2 0.78 0.6Y
Oct 01, 2022 DIST-A 2 2 1.23 0.6Y
Sep 01, 2022 DIST-A 2 2 0.34 0.5Y
Aug 01, 2022 DIST-A 2 2 0.23 0.6Y
Jul 01, 2022 DIST-A 2 2 0.31 0.6Y
Jun 01, 2022 DIST-A 2 2 1.2 0.6Y
May 01, 2022 DIST-A 2 2 0.86 0.6Y
Apr 01, 2022 DIST-A 2 2 0.35 0.6Y
Mar 01, 2022 DIST-A 2 2 0.21 0.6Y
Feb 01, 2022 DIST-A 2 2 0.39 0.6Y
Jan 01, 2022 DIST-A 2 2 0.49 0.6Y
Dec 01, 2021 DIST-A 2 2 0.61 0.6Y
Nov 01, 2021 DIST-A 2 2 1.24 0.7Y
Oct 01, 2021 DIST-A 2 2 0.33 0.7Y
Sep 01, 2021 DIST-A 2 2 0.47 0.7Y
Aug 01, 2021 DIST-A 2 2 0.73 0.7Y
Jul 01, 2021 DIST-A 2 2 0.52 0.7Y
Jun 01, 2021 DIST-A 2 2 0.73 0.7Y
May 01, 2021 DIST-A 2 2 0.54 0.7Y
Apr 01, 2021 DIST-A 2 2 0.58 0.7Y
Mar 01, 2021 DIST-A 2 2 0.59 0.7Y
Feb 01, 2021 DIST-A 2 2 0.97 0.7Y
Jan 01, 2021 DIST-A 2 2 0.51 0.7Y
Dec 01, 2020 DIST-A 2 2 0.88 0.7Y
Nov 01, 2020 DIST-A 2 2 1.08 0.8Y
Oct 01, 2020 DIST-A 2 2 0.73 0.7Y
Sep 01, 2020 DIST-A 2 2 0.67 0.7Y
Aug 01, 2020 DIST-A 2 2 0.47 0.7Y
Jul 01, 2020 DIST-A 2 2 1 0.7Y
Jun 01, 2020 DIST-A 2 2 0.44 0.6Y
May 01, 2020 DIST-A 2 2 0.61 0.6Y
Apr 01, 2020 DIST-A 2 2 0.43 0.6Y
Mar 01, 2020 DIST-A 2 2 0.31 0.6Y
Feb 01, 2020 DIST-A 2 2 1.46 0.6Y
Jan 01, 2020 DIST-A 2 2 0.29 0.6Y
Dec 01, 2019 DIST-A 2 2 1.83 0.6Y
Nov 01, 2019 DIST-A 2 2 0.29 0.4Y
Oct 01, 2019 DIST-A 2 2 0.59 0.5Y
Sep 01, 2019 DIST-A 2 2 0.26 0.4Y
Aug 01, 2019 DIST-A 2 2 0.32 0.4Y
Jul 01, 2019 DIST-A 2 2 0.44 0.5Y
Jun 01, 2019 DIST-A 2 2 0.4 0.5Y
May 01, 2019 DIST-A 2 2 0.37 0.5Y
Apr 01, 2019 DIST-A 2 2 0.52 0.5Y
Mar 01, 2019 DIST-A 2 2 0.62 0.5Y
Feb 01, 2019 DIST-A 2 2 0.74 0.6Y
Jan 01, 2019 DIST-A 2 2 0.53 0.6Y
Dec 01, 2018 DIST-A 2 2 0.22 0.6Y
Oct 01, 2018 DIST-A 2 2 0.38 0.6Y
Sep 01, 2018 DIST-A 2 2 0.4 0.6Y
Aug 01, 2018 DIST-A 2 4 0.64 0.6Y
Jul 01, 2018 DIST-A 2 2 0.42 0.6Y
Jun 01, 2018 DIST-A 2 2 0.99 0.6Y
May 01, 2018 DIST-A 2 2 0.53 0.6Y
Apr 01, 2018 DIST-A 2 2 0.4 0.6Y
Mar 01, 2018 DIST-A 2 2 0.94 0.6Y
Feb 01, 2018 DIST-A 2 2 0.82 0.6Y
Jan 01, 2018 DIST-A 2 2 0.58 0.6Y
Dec 01, 2017 DIST-A 2 2 0.7 0.6Y
Nov 01, 2017 DIST-A 2 2 0.45 0.6Y
Oct 01, 2017 DIST-A 2 2 0.47 0.7Y
Sep 01, 2017 DIST-A 2 2 0.40 0.7Y
Aug 01, 2017 DIST-A 2 2 0.49 0.7Y
Jul 01, 2017 DIST-A 2 2 0.8 0.8Y
Jun 01, 2017 DIST-A 2 2 0.68 0.8Y
May 01, 2017 DIST-A 2 2 0.69 0.8Y
Apr 01, 2017 DIST-A 2 2 0.33 0.8Y
Mar 01, 2017 DIST-A 2 2 0.77 0.8Y
Feb 01, 2017 DIST-A 2 2 0.93 0.8Y
Jan 01, 2017 DIST-A 2 2 0.48 0.8Y
Dec 01, 2016 DIST-A 2 2 1.11 0.7Y
Nov 01, 2016 DIST-A 2 2 0.75 0.7Y
Oct 01, 2016 DIST-A 2 2 0.99 0.7Y
Sep 01, 2016 DIST-A 2 2 0.9 0.6Y
Aug 01, 2016 DIST-A 2 3 0.67 0.6Y
Jul 01, 2016 DIST-A 2 2 1.16 0.6Y
Jun 01, 2016 DIST-A 2 2 0.51 0.5Y
May 01, 2016 DIST-A 2 2 1.01 0.6Y
Apr 01, 2016 DIST-A 2 2 0.82 0.5Y
Mar 01, 2016 DIST-A 2 2 0.36 0.5Y
Feb 01, 2016 DIST-A 2 2 0.35 0.5Y
Jan 01, 2016 DIST-A 2 2 0.28 0.5Y
Dec 01, 2015 DIST-A 2 2 0.42 0.6Y
Nov 01, 2015 DIST-A 2 2 0.41 0.6Y
Oct 01, 2015 DIST-A 2 2 0.61 0.6Y
Sep 01, 2015 DIST-A 2 2 0.64 0.6Y
Aug 01, 2015 DIST-A 2 2 0.73 0.6Y
Jul 01, 2015 DIST-A 2 2 0.42 0.6Y
Jun 01, 2015 DIST-A 2 2 0.72 0.6Y
May 01, 2015 DIST-A 2 2 0.44 0.6Y
Apr 01, 2015 DIST-A 2 2 0.4 0.7Y
Mar 01, 2015 DIST-A 2 1 0.43 0.7Y
Feb 01, 2015 DIST-A 2 2 0.83 0.7Y
Jan 01, 2015 DIST-A 2 2 0.97 0.7Y
Dec 01, 2014 DIST-A 2 2 0.83 0.7Y
Nov 01, 2014 DIST-A 5 5 0.4 0.6Y
Oct 01, 2014 DIST-A 5 6 0.4 0.7Y
Sep 01, 2014 DIST-A 5 5 0.4 0.7Y
Aug 01, 2014 DIST-A 5 5 0.75 0.7Y
Jul 01, 2014 DIST-A 2 2 0.72 0.7Y
Jun 01, 2014 DIST-A 2 2 1.1 0.6Y
May 01, 2014 DIST-A 2 2 0.71 0.6Y
Apr 01, 2014 DIST-A 2 2 0.37 0.6Y
Mar 01, 2014 DIST-A 2 2 1.01 0.6Y
Feb 01, 2014 DIST-A 2 2 0.48 0.7Y
Jan 01, 2014 DIST-A 2 2 0.81 0.7Y
Dec 01, 2013 DIST-A 2 2 0.6 0.7Y
Nov 01, 2013 DIST-A 2 2 0.57 0.8Y
Oct 01, 2013 DIST-A 2 2 0.54 0.8Y
Sep 01, 2013 DIST-A 2 2 0.52 0.8Y
Aug 01, 2013 DIST-A 2 2 0.43 0.8Y
Jul 01, 2013 DIST-A 2 2 0.48 0.8Y
Jun 01, 2013 DIST-A 2 2 0.86 0.9Y
May 01, 2013 DIST-A 2 2 0.73 0.9Y
Apr 01, 2013 DIST-A 2 2 0.58 0.9Y
Mar 01, 2013 DIST-A 2 2 1.33 1.0Y
Feb 01, 2013 DIST-A 2 2 1.48 1.0Y
Jan 01, 2013 DIST-A 2 2 0.77 1.0Y
Dec 01, 2012 DIST-A 2 2 1.13 1.1Y
Nov 01, 2012 DIST-A 2 2 1.11 1.0Y
Oct 01, 2012 DIST-A 2 2 0.27 1.0Y
Sep 01, 2012 DIST-A 2 2 0.84 1.1Y
Aug 01, 2012 DIST-A 2 2 0.48 1.0Y
Jul 01, 2012 DIST-A 2 2 0.72 1.1Y
Jun 01, 2012 DIST-A 2 2 1.01 1.0Y
May 01, 2012 DIST-A 2 2 1.36 1.0Y
Apr 01, 2012 DIST-A 2 2 1.6 0.9Y
Mar 01, 2012 DIST-A 2 2 1.15 0.9Y
Feb 01, 2012 DIST-A 2 2 1.25 0.9Y
Jan 01, 2012 DIST-A 2 2 1.74 0.9Y
Dec 01, 2011 DIST-A 2 2 0.74 0.9Y
Nov 01, 2011 DIST-A 2 2 1.26 0.9Y
Oct 01, 2011 DIST-A 2 2 0.5300 0.9Y
Sep 01, 2011 DIST-A 2 2 0.3700 1.0Y
Aug 01, 2011 DIST-A 2 2 0.9550 0.9Y
Jul 01, 2011 DIST-A 2 2 0.4700 0.9Y
Jun 01, 2011 DIST-A 2 2 0.61 0.9Y
May 01, 2011 DIST-A 2 2 0.7400 0.9Y
Apr 01, 2011 DIST-A 2 2 0.9800 1.0Y
Mar 01, 2011 DIST-A 2 2 1.4000 1.0Y
Feb 01, 2011 DIST-A 2 2 1.4000 0.9Y
Jan 01, 2011 DIST-A 2 2 0.94 0.9Y
Dec 01, 2010 DIST-A 2 2 1.08 0.9Y
Nov 01, 2010 DIST-A 2 2 1.4 0.8Y
Oct 01, 2010 DIST-A 2 2 1.27 0.8Y
Sep 01, 2010 DIST-A 2 2 0 0.8Y
Aug 01, 2010 DIST-A 2 2 0.56 0.9Y
Jul 01, 2010 DIST-A 2 2 0.69 0.9Y
Jun 01, 2010 DIST-A 2 2 0.52 0.9Y
May 01, 2010 DIST-A 2 2 1.26 0.9Y
Apr 01, 2010 DIST-A 2 2 0.98 0.8Y
Mar 01, 2010 DIST-A 2 2 0.88 0.8Y
Feb 01, 2010 DIST-A 2 2 0.96 0.8Y
Jan 01, 2010 DIST-A 2 2 0.71 0.8Y
Dec 01, 2009 DIST-A 2 2 0.91 0.9Y
Nov 01, 2009 DIST-A 2 2 1.02 0.8Y
Oct 01, 2009 DIST-A 2 2 0.92 0.7Y
Sep 01, 2009 DIST-A 2 2 1.3 0.7Y
Aug 01, 2009 DIST-A 2 0 0.6Y
Jul 01, 2009 DIST-A 2 2 0.72 0.7Y
Jun 01, 2009 DIST-A 2 2 0.64 0.7Y
May 01, 2009 DIST-A 2 2 0.6Y
Apr 01, 2009 DIST-A 2 2 1.01 0.6Y
Mar 01, 2009 DIST-A 2 2 0.89 0.6Y
Feb 01, 2009 DIST-A 2 2 0.95 0.6Y
Jan 01, 2009 DIST-A 2 2 1.24 0.6Y
Dec 01, 2008 DIST-A 2 2 0.5Y
Nov 01, 2008 DIST-A 2 2 0.5Y
Oct 01, 2008 DIST-A 2 2 0.72 0.6Y
Sep 01, 2008 DIST-A 2 2 0.4 0.5Y
Aug 01, 2008 DIST-A 5 2 1.44 0.5Y
Jul 01, 2008 DIST-A 5 8 0.8 0.4Y
Jun 01, 2008 DIST-A 2 2 0.4Y
May 01, 2008 DIST-A 2 2 0.4Y
Apr 01, 2008 DIST-A 2 2 0.3 0.4Y
Mar 01, 2008 DIST-A 2 2 0.8 0.5Y
Feb 01, 2008 DIST-A 2 2 0.9 0.4Y
Jan 01, 2008 DIST-A 2 2 0.3 0.4Y
Dec 01, 2007 DIST-A 2 2 0.8 0.4Y
Nov 01, 2007 DIST-A 2 2 0.3 0.4Y
Oct 01, 2007 DIST-A 2 2 0.4 0.4Y
Sep 01, 2007 DIST-A 2 2 0.4 0.4Y
Aug 01, 2007 DIST-A 2 2 0.1 0.4Y
Jul 01, 2007 DIST-A 2 2 0 0.4Y
Jun 01, 2007 DIST-A 2 2 0.6 0.4Y
May 01, 2007 DIST-A 2 2 0.4 0.4Y
Apr 01, 2007 DIST-A 2 2 0.5 0.4Y
Mar 01, 2007 DIST-A 2 2 0.4 0.5Y
Feb 01, 2007 DIST-A 2 2 0.7 0.5Y
Jan 01, 2007 DIST-A 2 2 0.5 0.5Y
Dec 01, 2006 DIST-A 2 2 0.6Y
Nov 01, 2006 DIST-A 2 2 0.6 0.6Y
Oct 01, 2006 DIST-A 2 2 0.5 0.7Y
Sep 01, 2006 DIST-A 2 2 0.5 0.7Y
Aug 01, 2006 DIST-A 2 2 0 0.7Y
Jul 01, 2006 DIST-A 2 2 0.3 0.8Y
Jun 01, 2006 DIST-A 2 2 0.7 0.7Y
May 01, 2006 DIST-A 2 2 0.7 0.7Y
Apr 01, 2006 DIST-A 2 2 0.7 0.8Y
Mar 01, 2006 DIST-A 2 2 0.5 0.8Y
Feb 01, 2006 DIST-A 2 2 0.6 0.8Y
Jan 01, 2006 DIST-A 2 2 1.56 0.8Y
Dec 01, 2005 DIST-A 2 2 1 0.8Y
Nov 01, 2005 DIST-A 2 2 1 0.8Y
Oct 01, 2005 DIST-A 2 2 0.4 0.8Y
Sep 01, 2005 DIST-A 2 2 1 0.8Y
Aug 01, 2005 DIST-A 2 2 0.6 0.7Y
Jul 01, 2005 DIST-A 2 2 0.1 0.7Y
Jun 01, 2005 DIST-A 2 2 0.8 0.7Y
May 01, 2005 DIST-A 2 2 0.9 0.7Y
Apr 01, 2005 DIST-A 2 2 1 0.7Y
Mar 01, 2005 DIST-A 2 2 0.8 0.6Y
Feb 01, 2005 DIST-A 2 2 0.8 0.6Y
Jan 01, 2005 DIST-A 2 0 0.6Y
Dec 01, 2004 DIST-A 2 2 1 0.6Y
Nov 01, 2004 DIST-A 5 5 1 0.5Y
Oct 01, 2004 DIST-A 5 2 0.5 0.3Y
Sep 01, 2004 DIST-A 2 2 0.5 0.3Y
 



More information for this water system: SDWIS ID 3943
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
New! Visit our new Drinking Water Source Protection page.
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
Introduction  ::  Data Search Options  ::  Water System Search  ::  DWS Home  ::  DWS Rules
Need help? Email Drinking Water Services for assistance.Staff/Partner Login