OHA Drinking Water Services
OR41
PWS ID: 00581 ---- OAKLAND, 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, 2024 DIST-A 1 4 1.46 1.3Y
Mar 01, 2024 DIST-A 1 4 1.2 1.3Y
Feb 01, 2024 DIST-A 1 3 1.34 1.3Y
Jan 01, 2024 DIST-A 1 4 1.54 1.3Y
Dec 01, 2023 DIST-A 1 4 1.94 1.3Y
Nov 01, 2023 DIST-A 1 4 1.42 1.2Y
Oct 01, 2023 DIST-A 1 4 1.18 1.2Y
Sep 01, 2023 DIST-A 1 4 1.29 1.2Y
Aug 01, 2023 DIST-A 1 4 0.74 1.2Y
Jul 01, 2023 DIST-A 1 4 1.12 1.2Y
Jun 01, 2023 DIST-A 1 4 1.11 1.2Y
May 01, 2023 DIST-A 1 4 1.15 1.3Y
Apr 01, 2023 DIST-A 1 4 1.28 1.3Y
Mar 01, 2023 DIST-A 1 4 1.33 1.3Y
Feb 01, 2023 DIST-A 1 4 1.24 1.3Y
Jan 01, 2023 DIST-A 1 4 1.36 1.3Y
Dec 01, 2022 DIST-A 1 4 1.05 1.3Y
Nov 01, 2022 DIST-A 1 8 1.08 1.3Y
Oct 01, 2022 DIST-A 1 4 1.29 1.3Y
Sep 01, 2022 DIST-A 1 4 1.31 1.3Y
Aug 01, 2022 DIST-A 1 4 1.15 1.3Y
Jul 01, 2022 DIST-A 1 4 1.34 1.3Y
Jun 01, 2022 DIST-A 1 4 1.56 1.3Y
May 01, 2022 DIST-A 1 4 1.57 1.2Y
Apr 01, 2022 DIST-A 1 4 1.2 1.2Y
Mar 01, 2022 DIST-A 1 4 1.23 1.1Y
Feb 01, 2022 DIST-A 1 4 1.43 1.1Y
Jan 01, 2022 DIST-A 1 4 1.51 1.1Y
Dec 01, 2021 DIST-A 1 4 0.81 1.1Y
Nov 01, 2021 DIST-A 1 4 0.93 1.2Y
Oct 01, 2021 DIST-A 1 4 1.3 1.2Y
Sep 01, 2021 DIST-A 1 4 1.34 1.3Y
Aug 01, 2021 DIST-A 1 4 1.08 1.3Y
Jul 01, 2021 DIST-A 1 4 1.18 1.3Y
Jun 01, 2021 DIST-A 1 4 1.03 1.3Y
May 01, 2021 DIST-A 1 4 1.02 1.3Y
Apr 01, 2021 DIST-A 1 4 0.91 1.4Y
Mar 01, 2021 DIST-A 1 4 1.23 1.4Y
Feb 01, 2021 DIST-A 1 4 1.31 1.4Y
Jan 01, 2021 DIST-A 1 4 1.52 1.4Y
Dec 01, 2020 DIST-A 1 4 1.61 1.4Y
Nov 01, 2020 DIST-A 1 4 1.30 1.3Y
Oct 01, 2020 DIST-A 1 4 1.56 1.3Y
Sep 01, 2020 DIST-A 1 4 1.59 1.3Y
Aug 01, 2020 DIST-A 1 4 1.54 1.2Y
Jul 01, 2020 DIST-A 1 4 1.3 1.2Y
Jun 01, 2020 DIST-A 1 4 1.25 1.1Y
May 01, 2020 DIST-A 1 4 1.39 1.1Y
Apr 01, 2020 DIST-A 1 4 1.32 1.0Y
Feb 01, 2020 DIST-A 1 4 1.11 1.0Y
Jan 01, 2020 DIST-A 1 4 1.19 1.0Y
Dec 01, 2019 DIST-A 1 4 1.21 1.0Y
Nov 01, 2019 DIST-A 1 4 1.22 1.1Y
Oct 01, 2019 DIST-A 1 4 1.55 1.1Y
Sep 01, 2019 DIST-A 1 4 0.39 1.1Y
Aug 01, 2019 DIST-A 1 4 0.98 1.2Y
Jul 01, 2019 DIST-A 1 4 0.64 1.2Y
Jun 01, 2019 DIST-A 1 4 0.87 1.3Y
May 01, 2019 DIST-A 1 4 0.94 1.3Y
Apr 01, 2019 DIST-A 1 4 0.89 1.4Y
Mar 01, 2019 DIST-A 1 4 0.7 1.4Y
Feb 01, 2019 DIST-A 1 2 1.58 1.5Y
Jan 01, 2019 DIST-A 1 4 1.61 1.4Y
Dec 01, 2018 DIST-A 1 5 1.52 1.4Y
Nov 01, 2018 DIST-A 1 4 1.72 1.4Y
Oct 01, 2018 DIST-A 1 4 1.41 1.3Y
Sep 01, 2018 DIST-A 1 4 1.64 1.3Y
Aug 01, 2018 DIST-A 1 4 1.41 1.3Y
Jul 01, 2018 DIST-A 1 4 1.33 1.2Y
Jun 01, 2018 DIST-A 1 4 1.22 1.2Y
May 01, 2018 DIST-A 1 4 1.32 1.2Y
Apr 01, 2018 DIST-A 1 4 1.39 1.2Y
Mar 01, 2018 DIST-A 1 4 1.41 1.2Y
Feb 01, 2018 DIST-A 1 4 1.34 1.1Y
Jan 01, 2018 DIST-A 1 4 0.96 1.1Y
Dec 01, 2017 DIST-A 1 4 1.24 1.2Y
Nov 01, 2017 DIST-A 1 4 1 1.2Y
Oct 01, 2017 DIST-A 1 4 1.39 1.2Y
Sep 01, 2017 DIST-A 1 4 1.03 1.1Y
Aug 01, 2017 DIST-A 1 4 1.05 1.2Y
Jul 01, 2017 DIST-A 1 4 1.23 1.2Y
Jun 01, 2017 DIST-A 1 4 1.03 1.1Y
May 01, 2017 DIST-A 1 4 1.09 1.1Y
Apr 01, 2017 DIST-A 1 4 1.15 1.2Y
Mar 01, 2017 DIST-A 1 4 1.2 1.2Y
Feb 01, 2017 DIST-A 1 4 1.21 1.2Y
Jan 01, 2017 DIST-A 1 4 1.25 1.2Y
Dec 01, 2016 DIST-A 1 4 1.29 1.2Y
Nov 01, 2016 DIST-A 1 4 0.96 1.2Y
Oct 01, 2016 DIST-A 1 4 1.2 1.2Y
Sep 01, 2016 DIST-A 1 4 1.16 1.2Y
Aug 01, 2016 DIST-A 1 4 1.05 1.2Y
Jul 01, 2016 DIST-A 1 4 0.8 1.2Y
Jun 01, 2016 DIST-A 1 4 1.27 1.2Y
May 01, 2016 DIST-A 1 4 1.5 1.2Y
Apr 01, 2016 DIST-A 1 4 1.34 1.2Y
Mar 01, 2016 DIST-A 1 4 1.24 1.2Y
Feb 01, 2016 DIST-A 1 4 1.08 1.2Y
Jan 01, 2016 DIST-A 1 4 1.3 1.2Y
Dec 01, 2015 DIST-A 1 4 1.1 1.2Y
Nov 01, 2015 DIST-A 1 4 1.29 1.2Y
Oct 01, 2015 DIST-A 1 4 1.2 1.3Y
Sep 01, 2015 DIST-A 1 8 1 1.3Y
Aug 01, 2015 DIST-A 1 4 1.26 1.3Y
Jul 01, 2015 DIST-A 1 4 1.16 1.3Y
Jun 01, 2015 DIST-A 1 4 1.2 1.3Y
May 01, 2015 DIST-A 1 4 1.2 1.3Y
Apr 01, 2015 DIST-A 1 4 1.4 1.3Y
Mar 01, 2015 DIST-A 1 4 1.29 1.3Y
Feb 01, 2015 DIST-A 1 4 1.56 1.4Y
Jan 01, 2015 DIST-A 1 4 1.24 1.3Y
Dec 01, 2014 DIST-A 1 4 1.2 1.3Y
Nov 01, 2014 DIST-A 1 4 1.46 1.3Y
Oct 01, 2014 DIST-A 1 4 1.31 1.3Y
Sep 01, 2014 DIST-A 1 4 1.3 1.3Y
Aug 01, 2014 DIST-A 1 4 1.48 1.3Y
Jul 01, 2014 DIST-A 1 4 1.2 1.3Y
Jun 01, 2014 DIST-A 1 4 1.27 1.2Y
May 01, 2014 DIST-A 1 4 1.36 1.2Y
Apr 01, 2014 DIST-A 1 4 1.48 1.2Y
Mar 01, 2014 DIST-A 1 4 1.43 1.2Y
Feb 01, 2014 DIST-A 1 4 1.21 1.2Y
Jan 01, 2014 DIST-A 1 4 1.43 1.2Y
Dec 01, 2013 DIST-A 1 4 1.2 1.2Y
Nov 01, 2013 DIST-A 1 4 1.11 1.2Y
Oct 01, 2013 DIST-A 1 4 1.34 1.2Y
Sep 01, 2013 DIST-A 1 4 0.97 1.2Y
Aug 01, 2013 DIST-A 1 4 1.1 1.2Y
Jul 01, 2013 DIST-A 1 4 0.8 1.2Y
Jun 01, 2013 DIST-A 1 4 1.21 1.2Y
May 01, 2013 DIST-A 1 4 1.25 1.2Y
Apr 01, 2013 DIST-A 1 8 1.3 1.2Y
Mar 01, 2013 DIST-A 1 8 1.27 1.1Y
Feb 01, 2013 DIST-A 1 8 1.27 1.1Y
Jan 01, 2013 DIST-A 1 4 1.41 1.1Y
Dec 01, 2012 DIST-A 1 4 1.4 1.1Y
Nov 01, 2012 DIST-A 1 4 1.35 1.1Y
Oct 01, 2012 DIST-A 1 4 1.19 1.0Y
Sep 01, 2012 DIST-A 1 4 1.1 1.0Y
Aug 01, 2012 DIST-A 1 4 1.07 1.0Y
Jul 01, 2012 DIST-A 1 4 1.0 1.0Y
Jun 01, 2012 DIST-A 1 4 0.7800 1.0Y
May 01, 2012 DIST-A 1 4 0.7900 1.1Y
Apr 01, 2012 DIST-A 1 4 0.8500 1.1Y
Mar 01, 2012 DIST-A 1 4 0.99 1.2Y
Feb 01, 2012 DIST-A 1 4 1.3000 1.2Y
Jan 01, 2012 DIST-A 1 2 1.0750 1.1Y
Dec 01, 2011 DIST-A 1 4 1.2950 1.1Y
Nov 01, 2011 DIST-A 1 4 1.1325 0.9Y
Oct 01, 2011 DIST-A 1 0 0 0.9Y
Sep 01, 2011 DIST-A 1 0 0 0.9Y
Aug 01, 2011 DIST-A 1 0 0 0.8Y
Jul 01, 2011 DIST-A 1 0 0 0.8Y
Jun 01, 2011 DIST-A 1 0 0 0.8Y
May 01, 2011 DIST-A 1 0 0 0.7Y
Apr 01, 2011 DIST-A 1 0 0 0.7Y
Mar 01, 2011 DIST-A 1 0 0 0.7Y
Feb 01, 2011 DIST-A 1 3 0.8533 0.7Y
Jan 01, 2011 DIST-A 1 4 1.0625 0.6Y
Dec 01, 2010 DIST-A 1 4 0.7225 0.6Y
Nov 01, 2010 DIST-A 1 4 1.1400 0.6Y
Oct 01, 2010 DIST-A 5 8 0.6125 0.5Y
Sep 01, 2010 DIST-A 5 6 0.6883 0.5Y
Aug 01, 2010 DIST-A 1 2 0.5050 0.5Y
Jul 01, 2010 DIST-A 1 2 0.5600 0.5Y
Jun 01, 2010 DIST-A 1 2 0.3650 0.5Y
May 01, 2010 DIST-A 1 2 0.4700 0.5Y
Apr 01, 2010 DIST-A 1 2 0.4800 0.5Y
Mar 01, 2010 DIST-A 1 2 0.5200 0.5Y
Feb 01, 2010 DIST-A 1 0 0.5Y
Jan 01, 2010 DIST-A 1 0 0.5Y
Dec 01, 2009 DIST-A 1 2 0.6450 0.5Y
Nov 01, 2009 DIST-A 1 2 0.4300 0.5Y
Oct 01, 2009 DIST-A 1 2 0.4500 0.4Y
Sep 01, 2009 DIST-A 1 2 0.4200 0.4Y
Aug 01, 2009 DIST-A 1 2 0.4600 0.4Y
Jul 01, 2009 DIST-A 1 2 0.4550 0.4Y
Jun 01, 2009 DIST-A 1 2 0.5550 0.4Y
May 01, 2009 DIST-A 1 2 0.4500 0.3Y
Apr 01, 2009 DIST-A 1 2 0.5300 0.3Y
Mar 01, 2009 DIST-A 1 2 0.4500 0.3Y
Feb 01, 2009 DIST-A 1 2 0.5900 0.3Y
Jan 01, 2009 DIST-A 1 2 0.7350 0.3Y
Dec 01, 2008 DIST-A 1 1 0.3Y
Nov 01, 2008 DIST-A 1 1 0.3Y
Oct 01, 2008 DIST-A 1 0 0.4Y
Sep 01, 2008 DIST-A 1 2 0.2900 0.4Y
Aug 01, 2008 DIST-A 1 2 0.4050 0.4Y
Jul 01, 2008 DIST-A 1 2 0.2750 0.4Y
Jun 01, 2008 DIST-A 1 1 0.4Y
May 01, 2008 DIST-A 1 2 0.3650 0.5Y
Apr 01, 2008 DIST-A 1 2 0.3450 0.5Y
Mar 01, 2008 DIST-A 1 2 0.4250 0.5Y
Feb 01, 2008 DIST-A 1 2 0.3000 0.5Y
Jan 01, 2008 DIST-A 1 2 0.7350 0.5Y
Dec 01, 2007 DIST-A 1 2 0.5700 0.5Y
Nov 01, 2007 DIST-A 1 2 0.5400 0.6Y
Oct 01, 2007 DIST-A 1 1 0.4800 0.6Y
Sep 01, 2007 DIST-A 1 2 0.4300 0.6Y
Aug 01, 2007 DIST-A 1 2 0.5150 0.6Y
Jul 01, 2007 DIST-A 1 2 0.4400 0.6Y
Jun 01, 2007 DIST-A 1 2 0.4800 0.6Y
May 01, 2007 DIST-A 1 2 0.3800 0.7Y
Apr 01, 2007 DIST-A 1 2 0.4850 0.7Y
Mar 01, 2007 DIST-A 1 2 0.5050 0.7Y
Feb 01, 2007 DIST-A 1 2 0.8050 0.7Y
Jan 01, 2007 DIST-A 1 2 0.8450 0.7Y
Dec 01, 2006 DIST-A 1 2 0.8450 0.7Y
Nov 01, 2006 DIST-A 1 2 0.5650 0.7Y
Oct 01, 2006 DIST-A 1 2 0.6100 0.7Y
Sep 01, 2006 DIST-A 1 2 0.6900 0.7Y
Aug 01, 2006 DIST-A 1 2 0.7900 0.7Y
Jul 01, 2006 DIST-A 1 2 0.6200 0.6Y
Jun 01, 2006 DIST-A 1 2 0.7500 0.6Y
May 01, 2006 DIST-A 1 2 0.6300 0.6Y
Apr 01, 2006 DIST-A 1 2 0.7600 0.6Y
Mar 01, 2006 DIST-A 1 2 0.7100 0.6Y
Feb 01, 2006 DIST-A 1 2 0.6000 0.6Y
Jan 01, 2006 DIST-A 1 2 0.5400 0.6Y
Dec 01, 2005 DIST-A 1 2 0.7100 0.6Y
Nov 01, 2005 DIST-A 1 2 0.7300 0.6Y
Oct 01, 2005 DIST-A 1 2 0.7500 0.6Y
Sep 01, 2005 DIST-A 1 2 0.4300 0.6Y
Aug 01, 2005 DIST-A 1 2 0.4500 0.6Y
Jul 01, 2005 DIST-A 1 2 0.5600 0.6Y
Jun 01, 2005 DIST-A 1 2 0.4400 0.7Y
May 01, 2005 DIST-A 1 2 0.5100 0.7Y
Apr 01, 2005 DIST-A 1 2 0.5800 0.7Y
Mar 01, 2005 DIST-A 1 2 0.6100 0.7Y
Feb 01, 2005 DIST-A 1 2 0.6100 0.7Y
Jan 01, 2005 DIST-A 1 2 0.6500 0.7Y
Dec 01, 2004 DIST-A 1 2 0.8200 0.8Y
Nov 01, 2004 DIST-A 1 2 0.6200 0.7Y
Oct 01, 2004 DIST-A 1 2 0.8900 0.8Y
Sep 01, 2004 DIST-A 1 2 0.7100 0.7Y
 




More information for this water system: SDWIS ID 3979
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