OHA Drinking Water Services
OR41
PWS ID: 00466 ---- LANGLOIS 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
Mar 01, 2024 DIST-A 1 1 0.8 0.7Y
Feb 01, 2024 DIST-A 1 1 0.6 0.6Y
Jan 01, 2024 DIST-A 1 1 0.6 0.6Y
Dec 01, 2023 DIST-A 1 1 0.7 0.6Y
Nov 01, 2023 DIST-A 4 4 0.6 0.6Y
Oct 01, 2023 DIST-A 1 1 0.6 0.6Y
Sep 01, 2023 DIST-A 1 1 0.6 0.6Y
Aug 01, 2023 DIST-A 1 1 0.9 0.5Y
Jul 01, 2023 DIST-A 1 1 0.7 0.5Y
Jun 01, 2023 DIST-A 1 1 0.8 0.5Y
May 01, 2023 DIST-A 1 1 0.8 0.5Y
Apr 01, 2023 DIST-A 1 1 0.37 0.4Y
Mar 01, 2023 DIST-A 1 1 0.34 0.4Y
Feb 01, 2023 DIST-A 1 1 0.4 0.4Y
Jan 01, 2023 DIST-A 1 1 0.4 0.4Y
Dec 01, 2022 DIST-A 1 1 0.28 0.4Y
Nov 01, 2022 DIST-A 1 1 0.62 0.4Y
Oct 01, 2022 DIST-A 1 1 0.5 0.4Y
Sep 01, 2022 DIST-A 1 1 0.4 0.4Y
Aug 01, 2022 DIST-A 1 1 0.45 0.4Y
Jul 01, 2022 DIST-A 1 1 0.51 0.3Y
Jun 01, 2022 DIST-A 1 1 0.41 0.3Y
May 01, 2022 DIST-A 1 1 0.45 0.3Y
Apr 01, 2022 DIST-A 1 1 0.27 0.3Y
Mar 01, 2022 DIST-A 1 1 0.33 0.3Y
Feb 01, 2022 DIST-A 1 1 0.4 0.3Y
Jan 01, 2022 DIST-A 1 1 0.27 0.3Y
Dec 01, 2021 DIST-A 1 1 0.44 0.3Y
Nov 01, 2021 DIST-A 1 1 0.21 0.3Y
Oct 01, 2021 DIST-A 1 1 0.26 0.3Y
Sep 01, 2021 DIST-A 1 1 0.3 0.3Y
Aug 01, 2021 DIST-A 1 1 0.29 0.3Y
Jul 01, 2021 DIST-A 1 1 0.32 0.3Y
Jun 01, 2021 DIST-A 1 1 0.31 0.3Y
May 01, 2021 DIST-A 1 1 0.21 0.3Y
Apr 01, 2021 DIST-A 1 1 0.29 0.3Y
Mar 01, 2021 DIST-A 1 1 0.4 0.3Y
Feb 01, 2021 DIST-A 1 1 0.35 0.3Y
Jan 01, 2021 DIST-A 1 1 0.4 0.3Y
Dec 01, 2020 DIST-A 1 1 0.8 0.3Y
Nov 01, 2020 DIST-A 1 1 0.22 0.4Y
Oct 01, 2020 DIST-A 1 1 0.2 0.4Y
Sep 01, 2020 DIST-A 1 1 0.37 0.5Y
Aug 01, 2020 DIST-A 1 1 0.22 0.4Y
Jul 01, 2020 DIST-A 1 1 0.21 0.5Y
Jun 01, 2020 DIST-A 1 1 0.4 0.5Y
May 01, 2020 DIST-A 1 1 0.3 0.5Y
Apr 01, 2020 DIST-A 1 1 0.29 0.5Y
Mar 01, 2020 DIST-A 1 1 0.4 0.5Y
Feb 01, 2020 DIST-A 1 1 0.27 0.5Y
Jan 01, 2020 DIST-A 1 1 0.37 0.5Y
Dec 01, 2019 DIST-A 1 1 1.05 0.5Y
Nov 01, 2019 DIST-A 1 1 0.31 0.4Y
Oct 01, 2019 DIST-A 1 1 1.2 0.5Y
Sep 01, 2019 DIST-A 1 1 0.34 0.4Y
Aug 01, 2019 DIST-A 1 1 0.37 0.4Y
Jul 01, 2019 DIST-A 1 1 0.31 0.4Y
Jun 01, 2019 DIST-A 1 1 0.3 0.4Y
May 01, 2019 DIST-A 4 0 0.4Y
Apr 01, 2019 DIST-A 1 0 0.4Y
Mar 01, 2019 DIST-A 1 1 0.56 0.4Y
Feb 01, 2019 DIST-A 1 1 0.47 0.4Y
Jan 01, 2019 DIST-A 1 0 0.4Y
Dec 01, 2018 DIST-A 1 1 0.15 0.4Y
Nov 01, 2018 DIST-A 1 1 0.35 0.5Y
Oct 01, 2018 DIST-A 1 1 0.53 0.5Y
Sep 01, 2018 DIST-A 1 1 0.38 0.5Y
Aug 01, 2018 DIST-A 1 0 0.5Y
Jul 01, 2018 DIST-A 1 0 0.5Y
Jun 01, 2018 DIST-A 1 0 0.5Y
May 01, 2018 DIST-A 1 1 0.6 0.5Y
Apr 01, 2018 DIST-A 1 1 0.5 0.5Y
Mar 01, 2018 DIST-A 1 1 0.5 0.5Y
Feb 01, 2018 DIST-A 1 1 0.55 0.6Y
Jan 01, 2018 DIST-A 1 1 0.4 0.6Y
Dec 01, 2017 DIST-A 1 1 0.5 0.6Y
Nov 01, 2017 DIST-A 1 1 0.5 0.6Y
Oct 01, 2017 DIST-A 1 1 0.2 0.6Y
Sep 01, 2017 DIST-A 1 1 0.4 0.6Y
Aug 01, 2017 DIST-A 1 1 0.5 0.6Y
Jul 01, 2017 DIST-A 1 1 0.9 0.6Y
Jun 01, 2017 DIST-A 1 1 0.5 0.6Y
May 01, 2017 DIST-A 1 1 0.71 0.6Y
Apr 01, 2017 DIST-A 1 1 0.9 0.6Y
Mar 01, 2017 DIST-A 1 1 0.66 0.6Y
Feb 01, 2017 DIST-A 1 1 0.5 0.6Y
Jan 01, 2017 DIST-A 1 1 0.86 0.6Y
Dec 01, 2016 DIST-A 1 1 0.59 0.7Y
Nov 01, 2016 DIST-A 1 1 0.3 0.7Y
Oct 01, 2016 DIST-A 1 1 0.37 0.7Y
Sep 01, 2016 DIST-A 1 1 0.5 0.7Y
Aug 01, 2016 DIST-A 1 1 0.6 0.7Y
Jul 01, 2016 DIST-A 1 0 0.7Y
Jun 01, 2016 DIST-A 1 1 0.43 0.7Y
May 01, 2016 DIST-A 1 1 0.88 0.7Y
Apr 01, 2016 DIST-A 1 1 1.1 0.7Y
Mar 01, 2016 DIST-A 1 1 0.6 0.7Y
Feb 01, 2016 DIST-A 1 1 0.81 0.8Y
Jan 01, 2016 DIST-A 1 1 1.1 0.8Y
Dec 01, 2015 DIST-A 1 1 0.7 0.8Y
Nov 01, 2015 DIST-A 1 1 0.8 0.8Y
Oct 01, 2015 DIST-A 1 1 0.6 0.8Y
Sep 01, 2015 DIST-A 1 1 0.4 0.8Y
Aug 01, 2015 DIST-A 1 1 0.4 0.8Y
Jul 01, 2015 DIST-A 1 1 0.52 0.9Y
Jun 01, 2015 DIST-A 1 1 0.71 0.9Y
May 01, 2015 DIST-A 1 1 1.1 0.9Y
Apr 01, 2015 DIST-A 1 1 0.82 0.9Y
Mar 01, 2015 DIST-A 1 1 1.2 0.9Y
Feb 01, 2015 DIST-A 1 1 1.09 0.9Y
Jan 01, 2015 DIST-A 1 1 1.06 0.9Y
Dec 01, 2014 DIST-A 1 1 1.01 0.9Y
Nov 01, 2014 DIST-A 1 1 0.5 0.9Y
Oct 01, 2014 DIST-A 1 1 0.8 0.9Y
Sep 01, 2014 DIST-A 1 1 0.61 0.9Y
Aug 01, 2014 DIST-A 1 0 1.0Y
Jul 01, 2014 DIST-A 1 1 0.93 0.9Y
Jun 01, 2014 DIST-A 1 1 0.99 0.9Y
May 01, 2014 DIST-A 1 1 0.8 0.9Y
Apr 01, 2014 DIST-A 1 1 1 0.9Y
Mar 01, 2014 DIST-A 1 1 1.12 1.0Y
Feb 01, 2014 DIST-A 1 1 0.85 0.9Y
Jan 01, 2014 DIST-A 1 1 0.99 0.9Y
Dec 01, 2013 DIST-A 1 1 0.8 0.9Y
Nov 01, 2013 DIST-A 1 1 1.1 0.9Y
Oct 01, 2013 DIST-A 1 1 1.1 0.8Y
Sep 01, 2013 DIST-A 1 0 0.8Y
Aug 01, 2013 DIST-A 1 1 0.72 0.8Y
Jul 01, 2013 DIST-A 1 1 0.9 0.8Y
Jun 01, 2013 DIST-A 1 1 0.61 0.8Y
May 01, 2013 DIST-A 1 1 1.2 0.8Y
Apr 01, 2013 DIST-A 1 1 1.2 0.8Y
Mar 01, 2013 DIST-A 1 1 0.9 0.7Y
Feb 01, 2013 DIST-A 1 1 0.66 0.7Y
Jan 01, 2013 DIST-A 1 1 1.06 0.8Y
Dec 01, 2012 DIST-A 1 1 0.6 0.7Y
Nov 01, 2012 DIST-A 1 1 0.22 0.7Y
Oct 01, 2012 DIST-A 1 1 0.72 0.8Y
Sep 01, 2012 DIST-A 1 1 0.63 0.8Y
Aug 01, 2012 DIST-A 1 1 0.57 0.8Y
Jul 01, 2012 DIST-A 1 1 1.1 0.8Y
Jun 01, 2012 DIST-A 1 1 0.76 0.8Y
May 01, 2012 DIST-A 1 1 0.65 0.8Y
Apr 01, 2012 DIST-A 1 1 0.82 0.8Y
Mar 01, 2012 DIST-A 1 1 0.67 0.8Y
Feb 01, 2012 DIST-A 1 1 1.3 0.8Y
Jan 01, 2012 DIST-A 1 1 0.75 0.8Y
Dec 01, 2011 DIST-A 1 1 0.75 0.8Y
Nov 01, 2011 DIST-A 1 1 0.71 0.8Y
Oct 01, 2011 DIST-A 1 1 0.5000 0.8Y
Sep 01, 2011 DIST-A 1 1 0.6000 0.8Y
Aug 01, 2011 DIST-A 1 1 0.9000 0.8Y
Jul 01, 2011 DIST-A 1 1 0.8000 0.7Y
Jun 01, 2011 DIST-A 1 1 1.1 0.7Y
May 01, 2011 DIST-A 1 1 0.7300 0.7Y
Apr 01, 2011 DIST-A 1 1 0.8100 0.7Y
Mar 01, 2011 DIST-A 1 1 0.7000 0.7Y
Feb 01, 2011 DIST-A 1 1 0.8000 0.7Y
Jan 01, 2011 DIST-A 1 1 0.93 0.7Y
Dec 01, 2010 DIST-A 1 1 0.94 0.7Y
Nov 01, 2010 DIST-A 1 1 0.26 0.6Y
Oct 01, 2010 DIST-A 1 1 0.58 0.6Y
Sep 01, 2010 DIST-A 1 1 0.59 0.6Y
Aug 01, 2010 DIST-A 1 1 0.5 0.6Y
Jul 01, 2010 DIST-A 1 1 0.8 0.7Y
Jun 01, 2010 DIST-A 1 1 0.74 0.6Y
May 01, 2010 DIST-A 1 1 0.65 0.6Y
Apr 01, 2010 DIST-A 1 1 1.1 0.6Y
Mar 01, 2010 DIST-A 1 1 0.6 0.5Y
Feb 01, 2010 DIST-A 1 1 0.7 0.5Y
Jan 01, 2010 DIST-A 1 1 0.74 0.6Y
Dec 01, 2009 DIST-A 1 1 0.5 0.6Y
Nov 01, 2009 DIST-A 1 1 0.21 0.5Y
Oct 01, 2009 DIST-A 1 1 0.61 0.5Y
Sep 01, 2009 DIST-A 1 1 0.52 0.5Y
Aug 01, 2009 DIST-A 1 1 0.69 0.5Y
Jul 01, 2009 DIST-A 1 1 0.7 0.5Y
Jun 01, 2009 DIST-A 1 0 0.4Y
May 01, 2009 DIST-A 1 1 0.4Y
Apr 01, 2009 DIST-A 1 1 0.64 0.4Y
Mar 01, 2009 DIST-A 1 1 0.7 0.4Y
Feb 01, 2009 DIST-A 1 1 0.84 0.4Y
Jan 01, 2009 DIST-A 1 1 0.75 0.4Y
Dec 01, 2008 DIST-A 1 1 0.4Y
Nov 01, 2008 DIST-A 5 5 0.4Y
Oct 01, 2008 DIST-A 5 6 0.3 0.5Y
Sep 01, 2008 DIST-A 1 1 0.59 0.5Y
Aug 01, 2008 DIST-A 1 1 0.72 0.5Y
Jul 01, 2008 DIST-A 1 1 0.42 0.4Y
Jun 01, 2008 DIST-A 1 1 0.4Y
May 01, 2008 DIST-A 1 1 0.5Y
Apr 01, 2008 DIST-A 1 1 0.56 0.5Y
Mar 01, 2008 DIST-A 1 1 0.74 0.5Y
Feb 01, 2008 DIST-A 1 1 0.87 0.5Y
Jan 01, 2008 DIST-A 1 1 0.63 0.5Y
Dec 01, 2007 DIST-A 1 0 0.5Y
Nov 01, 2007 DIST-A 1 1 0.16 0.5Y
Oct 01, 2007 DIST-A 1 0 0.5Y
Sep 01, 2007 DIST-A 1 1 0.41 0.5Y
Aug 01, 2007 DIST-A 1 1 0.4 0.5Y
Jul 01, 2007 DIST-A 1 1 0.6 0.5Y
Jun 01, 2007 DIST-A 1 1 0.5 0.5Y
May 01, 2007 DIST-A 1 1 0.6 0.5Y
Apr 01, 2007 DIST-A 1 0 0.5Y
Mar 01, 2007 DIST-A 1 1 0.6 0.5Y
Feb 01, 2007 DIST-A 1 0 0.6Y
Jan 01, 2007 DIST-A 1 2 0.5 0.6Y
Dec 01, 2006 DIST-A 1 0 0.6Y
Nov 01, 2006 DIST-A 1 2 0.2 0.6Y
Oct 01, 2006 DIST-A 1 1 0.5 0.7Y
Sep 01, 2006 DIST-A 1 0 0.7Y
Aug 01, 2006 DIST-A 1 1 0.4 0.7Y
Jul 01, 2006 DIST-A 1 1 0.6 0.7Y
Jun 01, 2006 DIST-A 1 1 0.4 0.7Y
May 01, 2006 DIST-A 1 1 0.59 0.7Y
Apr 01, 2006 DIST-A 1 1 0.8 0.8Y
Mar 01, 2006 DIST-A 1 1 1 0.7Y
Feb 01, 2006 DIST-A 1 1 1 0.7Y
Jan 01, 2006 DIST-A 1 1 0.5 0.7Y
Dec 01, 2005 DIST-A 1 1 1.1 0.7Y
Nov 01, 2005 DIST-A 1 1 0.5 0.7Y
Oct 01, 2005 DIST-A 1 1 0.6 0.7Y
Sep 01, 2005 DIST-A 1 1 1.1 0.6Y
Aug 01, 2005 DIST-A 1 1 0.7 0.6Y
Jul 01, 2005 DIST-A 1 1 0.6 0.6Y
Jun 01, 2005 DIST-A 1 1 0.5 0.6Y
May 01, 2005 DIST-A 1 1 0.7 0.6Y
Apr 01, 2005 DIST-A 1 1 0.5 0.6Y
Mar 01, 2005 DIST-A 1 1 0.5 0.6Y
Feb 01, 2005 DIST-A 1 1 0.9 0.6Y
Jan 01, 2005 DIST-A 1 1 1 0.6Y
Dec 01, 2004 DIST-A 1 1 0.5 0.5Y
Nov 01, 2004 DIST-A 1 1 0.3 0.5Y
Oct 01, 2004 DIST-A 1 1 0.5 0.6Y
Sep 01, 2004 DIST-A 1 1 0.4 0.6Y
 




More information for this water system: SDWIS ID 3963
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
Corrosion Control has moved to the Lead & Copper 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

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

Need help? Email Drinking Water Services for assistance.Staff/Partner Login