OHA Drinking Water Services
OR41
PWS ID: 00364 ---- HALSEY, 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 1 1 0.38 0.5Y
Mar 01, 2025 DIST-A 1 1 0.4 0.5Y
Feb 01, 2025 DIST-A 1 1 0.59 0.5Y
Jan 01, 2025 DIST-A 1 1 0.5 0.5Y
Dec 01, 2024 DIST-A 1 1 0.43 0.5Y
Nov 01, 2024 DIST-A 1 1 0.43 0.5Y
Oct 01, 2024 DIST-A 1 1 0.37 0.5Y
Sep 01, 2024 DIST-A 1 1 0.82 0.6Y
Aug 01, 2024 DIST-A 1 1 0.45 0.5Y
Jul 01, 2024 DIST-A 1 1 0.63 0.5Y
Jun 01, 2024 DIST-A 1 1 0.51 0.5Y
May 01, 2024 DIST-A 1 1 0.39 0.5Y
Apr 01, 2024 DIST-A 1 1 0.55 0.6Y
Mar 01, 2024 DIST-A 1 1 0.42 0.5Y
Feb 01, 2024 DIST-A 1 1 0.76 0.5Y
Jan 01, 2024 DIST-A 1 1 0.54 0.5Y
Dec 01, 2023 DIST-A 1 1 0.58 0.6Y
Nov 01, 2023 DIST-A 1 1 0.47 0.6Y
Oct 01, 2023 DIST-A 1 1 0.75 0.6Y
Sep 01, 2023 DIST-A 1 1 0.55 0.5Y
Aug 01, 2023 DIST-A 1 1 0.4 0.5Y
Jul 01, 2023 DIST-A 1 1 0.66 0.5Y
Jun 01, 2023 DIST-A 1 1 0.49 0.5Y
May 01, 2023 DIST-A 1 1 0.45 0.5Y
Apr 01, 2023 DIST-A 1 1 0.49 0.5Y
Mar 01, 2023 DIST-A 1 1 0.43 0.5Y
Feb 01, 2023 DIST-A 1 1 0.64 0.5Y
Jan 01, 2023 DIST-A 1 1 0.91 0.5Y
Dec 01, 2022 DIST-A 1 1 0.43 0.5Y
Nov 01, 2022 DIST-A 1 2 0.48 0.5Y
Oct 01, 2022 DIST-A 1 1 0.39 0.5Y
Sep 01, 2022 DIST-A 1 1 0.66 0.5Y
Aug 01, 2022 DIST-A 1 1 0.27 0.8Y
Jul 01, 2022 DIST-A 1 1 0.63 0.8Y
Jun 01, 2022 DIST-A 1 1 0.55 0.8Y
May 01, 2022 DIST-A 1 1 0.51 0.8Y
Apr 01, 2022 DIST-A 1 1 0.32 0.8Y
Mar 01, 2022 DIST-A 1 1 0.4 0.8Y
Feb 01, 2022 DIST-A 1 1 0.31 0.8Y
Jan 01, 2022 DIST-A 1 1 0.45 0.8Y
Dec 01, 2021 DIST-A 1 1 0.49 0.8Y
Nov 01, 2021 DIST-A 1 1 0.47 0.8Y
Oct 01, 2021 DIST-A 1 1 0.5 0.8Y
Sep 01, 2021 DIST-A 1 1 4.8 0.8Y
Aug 01, 2021 DIST-A 1 1 0.43 0.5Y
Jul 01, 2021 DIST-A 1 1 0.46 0.5Y
Jun 01, 2021 DIST-A 1 1 0.3 0.5Y
May 01, 2021 DIST-A 1 1 0.55 0.5Y
Apr 01, 2021 DIST-A 1 1 0.51 0.5Y
Mar 01, 2021 DIST-A 1 1 0.32 0.5Y
Feb 01, 2021 DIST-A 1 1 0.51 0.5Y
Jan 01, 2021 DIST-A 1 1 0.41 0.6Y
Dec 01, 2020 DIST-A 1 1 0.9 0.6Y
Nov 01, 2020 DIST-A 1 1 0.31 0.5Y
Oct 01, 2020 DIST-A 1 1 0.5 0.6Y
Sep 01, 2020 DIST-A 1 1 0.45 0.6Y
Aug 01, 2020 DIST-A 1 1 0.85 0.6Y
Jul 01, 2020 DIST-A 1 1 0.43 0.6Y
Jun 01, 2020 DIST-A 1 1 0.59 0.6Y
May 01, 2020 DIST-A 1 1 0.56 0.6Y
Apr 01, 2020 DIST-A 1 1 0.42 0.6Y
Mar 01, 2020 DIST-A 1 1 0.5 0.6Y
Feb 01, 2020 DIST-A 1 1 0.81 0.6Y
Jan 01, 2020 DIST-A 1 1 0.5 0.6Y
Dec 01, 2019 DIST-A 1 1 0.38 0.6Y
Nov 01, 2019 DIST-A 1 1 0.87 0.6Y
Oct 01, 2019 DIST-A 1 1 0.6 0.6Y
Sep 01, 2019 DIST-A 1 1 0.34 0.6Y
Aug 01, 2019 DIST-A 1 1 0.62 0.6Y
Jul 01, 2019 DIST-A 1 1 0.48 0.6Y
Jun 01, 2019 DIST-A 1 1 0.81 0.6Y
May 01, 2019 DIST-A 1 1 0.98 0.6Y
Apr 01, 2019 DIST-A 1 1 0.46 0.5Y
Mar 01, 2019 DIST-A 1 1 0.56 0.6Y
Feb 01, 2019 DIST-A 1 1 0.57 0.6Y
Jan 01, 2019 DIST-A 1 1 0.32 0.6Y
Dec 01, 2018 DIST-A 1 1 0.43 0.6Y
Nov 01, 2018 DIST-A 1 1 0.61 0.6Y
Oct 01, 2018 DIST-A 1 1 0.62 0.6Y
Sep 01, 2018 DIST-A 1 1 1.01 0.6Y
Aug 01, 2018 DIST-A 1 1 0.33 0.5Y
Jul 01, 2018 DIST-A 1 1 0.49 0.5Y
Jun 01, 2018 DIST-A 1 1 0.52 0.5Y
May 01, 2018 DIST-A 1 1 0.44 0.5Y
Apr 01, 2018 DIST-A 1 1 1.14 0.5Y
Mar 01, 2018 DIST-A 1 1 0.87 0.4Y
Feb 01, 2018 DIST-A 1 1 0.52 0.3Y
Jan 01, 2018 DIST-A 1 1 0.41 0.3Y
Dec 01, 2017 DIST-A 1 1 0.35 0.3Y
Nov 01, 2017 DIST-A 1 1 0.24 0.3Y
Oct 01, 2017 DIST-A 1 1 0.41 0.3Y
Sep 01, 2017 DIST-A 1 1 0.35 0.3Y
Aug 01, 2017 DIST-A 1 1 0.27 0.3Y
Jul 01, 2017 DIST-A 1 1 0.41 0.3Y
Jun 01, 2017 DIST-A 1 1 0.31 0.3Y
May 01, 2017 DIST-A 1 1 0.32 0.3Y
Apr 01, 2017 DIST-A 1 1 0.23 0.3Y
Mar 01, 2017 DIST-A 1 1 0.21 0.4Y
Feb 01, 2017 DIST-A 1 1 0.33 0.4Y
Jan 01, 2017 DIST-A 1 1 0.36 0.4Y
Dec 01, 2016 DIST-A 1 1 0.54 0.4Y
Nov 01, 2016 DIST-A 1 1 0.39 0.4Y
Oct 01, 2016 DIST-A 1 1 0.38 0.4Y
Sep 01, 2016 DIST-A 1 1 0.25 0.4Y
Aug 01, 2016 DIST-A 1 1 0.35 0.4Y
Jul 01, 2016 DIST-A 1 1 0.23 0.4Y
Jun 01, 2016 DIST-A 1 1 0.49 0.4Y
May 01, 2016 DIST-A 1 1 0.28 0.4Y
Apr 01, 2016 DIST-A 1 1 0.57 0.4Y
Mar 01, 2016 DIST-A 1 1 0.29 0.4Y
Feb 01, 2016 DIST-A 1 1 0.3 0.4Y
Jan 01, 2016 DIST-A 1 1 0.41 0.4Y
Dec 01, 2015 DIST-A 1 1 0.27 0.4Y
Nov 01, 2015 DIST-A 1 1 0.46 0.4Y
Oct 01, 2015 DIST-A 1 1 0.32 0.4Y
Sep 01, 2015 DIST-A 1 1 0.42 0.4Y
Aug 01, 2015 DIST-A 1 1 0.34 0.4Y
Jul 01, 2015 DIST-A 1 1 0.26 0.4Y
Jun 01, 2015 DIST-A 1 1 0.37 0.4Y
May 01, 2015 DIST-A 1 1 0.59 0.4Y
Apr 01, 2015 DIST-A 1 1 0.31 0.3Y
Mar 01, 2015 DIST-A 1 1 0.34 0.3Y
Feb 01, 2015 DIST-A 1 1 0.44 0.3Y
Jan 01, 2015 DIST-A 1 1 0.34 0.3Y
Dec 01, 2014 DIST-A 1 1 0.33 0.3Y
Nov 01, 2014 DIST-A 1 1 0.38 0.3Y
Oct 01, 2014 DIST-A 1 1 0.23 0.3Y
Sep 01, 2014 DIST-A 1 1 0.32 0.3Y
Aug 01, 2014 DIST-A 1 1 0.35 0.3Y
Jul 01, 2014 DIST-A 1 1 0.27 0.3Y
Jun 01, 2014 DIST-A 1 1 0.34 0.3Y
May 01, 2014 DIST-A 1 1 0.42 0.3Y
Apr 01, 2014 DIST-A 1 1 0.28 0.3Y
Mar 01, 2014 DIST-A 1 1 0.32 0.3Y
Feb 01, 2014 DIST-A 1 1 0.29 0.3Y
Jan 01, 2014 DIST-A 1 1 0.27 0.3Y
Dec 01, 2013 DIST-A 1 1 0.36 0.4Y
Nov 01, 2013 DIST-A 1 1 0.21 0.4Y
Oct 01, 2013 DIST-A 1 1 0.27 0.4Y
Sep 01, 2013 DIST-A 1 1 0.21 0.4Y
Aug 01, 2013 DIST-A 1 1 0.36 0.4Y
Jul 01, 2013 DIST-A 1 1 0.24 0.4Y
Jun 01, 2013 DIST-A 1 1 0.47 0.4Y
May 01, 2013 DIST-A 1 1 0.5 0.4Y
Apr 01, 2013 DIST-A 1 1 0.43 0.4Y
Mar 01, 2013 DIST-A 1 1 0.36 0.4Y
Feb 01, 2013 DIST-A 1 1 0.43 0.4Y
Jan 01, 2013 DIST-A 1 1 0.41 0.4Y
Dec 01, 2012 DIST-A 1 1 0.51 0.4Y
Nov 01, 2012 DIST-A 1 1 0.3 0.4Y
Oct 01, 2012 DIST-A 1 1 0.36 0.4Y
Sep 01, 2012 DIST-A 1 1 0.3 0.4Y
Aug 01, 2012 DIST-A 1 1 0.38 0.4Y
Jul 01, 2012 DIST-A 1 1 0.46 0.4Y
Jun 01, 2012 DIST-A 1 1 0.5800 0.4Y
May 01, 2012 DIST-A 1 1 0.5600 0.4Y
Apr 01, 2012 DIST-A 1 1 0.3600 0.4Y
Mar 01, 2012 DIST-A 1 1 0.4100 0.4Y
Feb 01, 2012 DIST-A 1 1 0.3900 0.4Y
Jan 01, 2012 DIST-A 1 1 0.3500 0.4Y
Dec 01, 2011 DIST-A 1 1 0.4300 0.4Y
Nov 01, 2011 DIST-A 1 1 0.4000 0.4Y
Oct 01, 2011 DIST-A 1 1 0.4000 0.4Y
Sep 01, 2011 DIST-A 1 1 0.2800 0.4Y
Aug 01, 2011 DIST-A 1 1 0.3000 0.4Y
Jul 01, 2011 DIST-A 1 1 0.2900 0.4Y
Jun 01, 2011 DIST-A 1 1 0.3700 0.4Y
May 01, 2011 DIST-A 1 1 0.3300 0.4Y
Apr 01, 2011 DIST-A 1 1 0.4300 0.4Y
Mar 01, 2011 DIST-A 1 1 0.3600 0.4Y
Feb 01, 2011 DIST-A 1 1 0.4600 0.4Y
Jan 01, 2011 DIST-A 1 1 0.4000 0.4Y
Dec 01, 2010 DIST-A 1 1 0.5800 0.4Y
Nov 01, 2010 DIST-A 1 1 0.3400 0.4Y
Oct 01, 2010 DIST-A 1 1 0.4100 0.4Y
Sep 01, 2010 DIST-A 1 1 0.4500 0.4Y
Aug 01, 2010 DIST-A 1 1 0.2800 0.4Y
Jul 01, 2010 DIST-A 1 1 0.4800 0.4Y
Jun 01, 2010 DIST-A 1 1 0.3500 0.4Y
May 01, 2010 DIST-A 1 1 0.3000 0.4Y
Apr 01, 2010 DIST-A 1 1 0.4800 0.4Y
Mar 01, 2010 DIST-A 1 1 0.4000 0.4Y
Feb 01, 2010 DIST-A 1 1 0.4500 0.4Y
Jan 01, 2010 DIST-A 1 1 0.4000 0.4Y
Dec 01, 2009 DIST-A 1 1 0.4400 0Y
Nov 01, 2009 DIST-A 1 1 0.2300 0Y
Oct 01, 2009 DIST-A 1 1 0.6100 0Y
Sep 01, 2009 DIST-A 1 1 0.5500 0Y
Aug 01, 2009 DIST-A 1 1 0.2600 0Y
Jul 01, 2009 DIST-A 1 1 0.3800 0Y
Jun 01, 2009 DIST-A 1 1 0.3000 0Y
May 01, 2009 DIST-A 1 1 0.3700 0Y
Apr 01, 2009 DIST-A 1 1 0.5200 0Y
Mar 01, 2009 DIST-A 1 1 0.5500 0Y
Feb 01, 2009 DIST-A 1 1 0.5300 0Y
Jan 01, 2009 DIST-A 1 1 0.3500 0Y
Dec 01, 2008 DIST-A 1 1 0.5000 0Y
Nov 01, 2008 DIST-A 1 1 0.3700 0Y
Oct 01, 2008 DIST-A 1 1 0.2000 0Y
Sep 01, 2008 DIST-A 1 1 0.2100 0Y
Aug 01, 2008 DIST-A 1 1 0.3900 0Y
Jul 01, 2008 DIST-A 1 1 0.5400 0Y
Jun 01, 2008 DIST-A 1 1 0.4600 0Y
May 01, 2008 DIST-A 1 1 0.3500 0Y
Apr 01, 2008 DIST-A 1 1 0.3000 0Y
Mar 01, 2008 DIST-A 1 1 0.5800 0Y
Feb 01, 2008 DIST-A 1 1 0.3000 0Y
Jan 01, 2008 DIST-A 1 1 0.4900 0Y
Dec 01, 2007 DIST-A 1 1 0.3900 0Y
Nov 01, 2007 DIST-A 1 1 0.4600 0Y
Oct 01, 2007 DIST-A 1 1 0.5400 0Y
Sep 01, 2007 DIST-A 1 1 0.5700 1Y
Aug 01, 2007 DIST-A 1 1 0.4300 1Y
Jul 01, 2007 DIST-A 1 1 0.2300 1Y
Jun 01, 2007 DIST-A 1 1 0.8400 1Y
May 01, 2007 DIST-A 1 1 0.2900 1Y
Apr 01, 2007 DIST-A 1 1 0.3200 1Y
Mar 01, 2007 DIST-A 1 1 0.3200 1Y
Feb 01, 2007 DIST-A 1 1 0.2700 1Y
Jan 01, 2007 DIST-A 1 1 0.4100 1Y
Dec 01, 2006 DIST-A 1 1 0.3800 1Y
Nov 01, 2006 DIST-A 1 1 0.2700 1Y
Oct 01, 2006 DIST-A 1 1 5.0000 1Y
Sep 01, 2006 DIST-A 1 1 0.4600 0Y
Aug 01, 2006 DIST-A 1 1 0.5500 0Y
Jul 01, 2006 DIST-A 1 1 0.5600 0Y
Jun 01, 2006 DIST-A 1 1 0.3300 0Y
May 01, 2006 DIST-A 1 1 0.3000 1Y
Apr 01, 2006 DIST-A 1 1 0.4400 1Y
Mar 01, 2006 DIST-A 1 1 0.2900 0Y
Feb 01, 2006 DIST-A 1 1 0.3500 1Y
Jan 01, 2006 DIST-A 1 1 0.3200 1Y
Dec 01, 2005 DIST-A 1 0 1Y
Nov 01, 2005 DIST-A 1 1 0.6000 1Y
Oct 01, 2005 DIST-A 1 1 0.3300 1Y
Sep 01, 2005 DIST-A 1 1 0.3700 1Y
Aug 01, 2005 DIST-A 1 1 0.4300 1Y
Jul 01, 2005 DIST-A 1 1 0.3900 1Y
Jun 01, 2005 DIST-A 1 1 1.8000 1Y
May 01, 2005 DIST-A 1 1 0.3000 1Y
Apr 01, 2005 DIST-A 1 1 0.3200 1Y
Mar 01, 2005 DIST-A 1 1 0.3900 2Y
Feb 01, 2005 DIST-A 1 1 0.3600 2Y
Jan 01, 2005 DIST-A 1 0 2Y
Dec 01, 2004 DIST-A 1 1 0.3700 2Y
Nov 01, 2004 DIST-A 1 1 3.9000 2Y
Oct 01, 2004 DIST-A 1 1 5.9000 2Y
Sep 01, 2004 DIST-A 1 1 0.4800 0Y
 



More information for this water system: SDWIS ID 3323
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