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Archive - Monthly Water
Quality Updates
Massachussetts Water Resources Authority
MWRA's Monthly Water Quality Update is sent to local water suppliers, public health officials, water consumers, and other interested parties. The Update includes a more detailed review of water quality than the annual water quality report that is mailed each June to every customer in our service area.
MWRA Monthly Water Quality Reports (PDF) |
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| 2024 | Jan published Feb 2024 |
Feb |
Mar published Apr 2024 |
Apr published May 2024 |
May published Jun 2024 |
Jun published Jul 2024 |
Jul published Aug 2024 |
Aug published Sep 2024 |
Sep published Oct 2024 |
Oct published Nov 2024 |
Nov published Dec 2024 |
Dec published Jan 2025 |
|
| 2023 | Jan published Feb 2023 |
Feb |
Mar published Apr 2023 |
Apr published May 2023 |
May published Jun 2023 |
Jun published Jul 2023 |
Jul published Aug 2023 |
Aug published Sep 2023 |
Sep published Oct 2023 |
Oct published Nov 2023 |
Nov published Dec 2023 |
Dec published Jan 2024 |
|
| 2022 | Jan published Feb 2022 |
Feb |
Mar published Apr 2022 |
Apr published May 2022 |
May published Jun 2022 |
Jun published Jul 2022 |
Jul published Aug 2022 |
Aug published Sep 2022 |
Sep published Oct 2022 |
Oct published Nov 2022 |
Nov published Dec 2022 |
Dec published Jan 2023 |
|
| 2021 | Jan published Feb 2021 |
Feb |
Mar published Apr 2021 |
Apr published May 2021 |
May published Jun 2021 |
Jun published Jul 2021 |
Jul published Aug 2021 |
Aug published Sep 2021 |
Sep published Oct 2021 |
Oct published Nov 2021 |
Nov published Dec 2021 |
Dec published Jan 2022 |
|
| 2020 | Jan published Feb 2020 |
Feb |
Mar published May 2020 |
Apr published Jun 2020 |
May published Jul 2020 |
Jun published Jul 2020 |
Jul published Aug 2020 |
Aug published Sep 2020 |
Sep published Oct 2020 |
Oct published Nov 2020 |
Nov published Dec 2020 |
Dec published Jan 2021 |
|
| 2019 | Jan published Feb 2019 |
Feb published Mar 2019 |
Mar published Apr 2019 |
Apr published May 2019 |
May published Jun 2019 |
Jun published Jul 2019 |
Jul published Aug 2019 |
Aug published Sep 2019 |
Sep published Oct 2019 |
Oct published Nov 2019 |
Nov published Dec 2019 |
Dec published Jan 2020 |
|
| 2018 | Jan published Feb 2018 |
Feb published Mar 2018 |
Mar published Apr 2018 |
Apr published May 2018 |
May published Jun 2018 |
Jun published Jul 2018 |
Jul published Aug 2018 |
Aug published Sep 2018 |
Sep published Oct 2018 |
Oct published Nov 2018 |
Nov published Dec 2018 |
Dec published Dec 2018 |
|
| 2017 | Jan published Feb 2017 |
Feb published Mar 2017 |
Mar published Apr 2017 |
Apr published May 2017 |
May published Jun 2017 |
Jun published Jul 2017 |
Jul published Aug 2017 |
Aug published Sep 2017 |
Sep published Oct 2017 |
Oct published Nov 2017 |
Nov published Dec 2017 |
Dec published Jan 2018 |
|
| 2016 | Jan published Feb 2016 |
Feb published Mar 2016 |
Mar published Apr 2016 |
Apr published May 2016 |
May published Jun 2016 |
Jun published Aug 2016 |
Jul published Aug 2016 |
Aug published Sep 2016 |
Sep published Oct 2016 |
Oct published Nov 2016 |
Nov published Dec 2016 |
Dec published Dec 2017 |
|
| 2015 | Jan published Feb 2015 |
Feb published Mar 2015 |
Mar published Apr 2015 |
Apr published May 2015 |
May published Jun 2015 |
Jun published Jul 2015 |
Jul published Aug 2015 |
Aug published Sep 2015 |
Sep published Oct 2015 |
Oct published Nov 2015 |
Nov published Dec 2015 |
Dec published Jan 2016 |
|
| 2014 | Jan published Feb 2014 |
Feb published Mar 2014 |
Mar published Apr 2014 |
Apr published May 2014 |
May published Jun 2014 |
Jun published Jul 2014 |
Jul published Aug 2014 |
Aug published Sep 2014 |
Sep published Oct 2014 |
Oct published Nov 2014 |
Nov published Dec 2014 |
Dec published Jan 2015 |
|
| 2013 | Jan published Feb 2013 |
Feb published Mar 2013 |
Mar published Apr 2013 |
Apr published May 2013 |
May published Jun 2013 |
Jun published Jul 2013 |
Jul published Aug 2013 |
Aug published Sep 2013 |
Sep published Oct 2013 |
Oct published Nov 2013 |
Nov published Dec 2013 |
Dec published Jan 2014 |
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| 2012 | Jan published Feb 2012 |
Feb published Mar 2012 |
Mar published Apr 2012 |
Apr published May 2012 |
May published Jun 2012 |
Jun published Jul 2012 |
Jul published Aug 2012 |
Aug published Sep 2012 |
Sep published Oct 2012 |
Oct published Nov 2012 |
Nov published Dec 2012 |
Dec published Jan 2013 |
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| 2011 | Jan published Feb 2011 |
Feb published Mar 2011 |
Mar published Apr 2011 |
Apr published May 2011 |
May published Jun 2011 |
Jun published Jul 2011 |
Jul published Aug 2011 |
Aug published Sep 2011 |
Sep published Oct 2011 |
Oct published Nov 2011 |
Nov published Dec 2011 |
Dec published Jan 2012 |
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| 2010 | Jan published 02/20/10 |
Feb published 03/20/10 |
Mar published 04/20/10 |
Apr published 05/20/10 |
May published 06/20/10 |
Jun published 07/20/10 |
Jul published 08/20/10 |
Aug published 09/20/10 |
Sep published 10/20/10 |
Oct published 11/20/10 |
Nov published 12/20/10 |
Dec published 01/20/11 |
|
| 2009 | Jan published Feb 2009 |
Feb published Mar 2009 |
Mar published Apr 2009 |
Apr published May 2009 |
May published Jun 2009 |
Jun published Jul 2009 |
Jul published Aug 2009 |
Aug published Sep 2009 |
Sep published Oct 2009 |
Oct published Nov 2009 |
Nov published Dec 2009 |
Dec published Jan 2010 |
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| 2008 | Jan published Feb 2008 |
Feb published Mar 2008 |
Mar published Apr 2008 |
Apr published May 2008 |
May published Jun 2008 |
Jun published July2008 |
Jul published Aug 2008 |
Aug published Sep 2008 |
Sep published Oct 2008 |
Oct published Nov 2008 |
Nov published Dec 2008 |
Dec published Jan 2009 |
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| 2007 | Jan published Feb 2007 |
Feb published Mar 2007 |
Mar published Apr 2007 |
Apr published May 2007 |
May published Jun 2007 |
Jun published Jul 2007 |
Jul published Aug 2007 |
Aug published Sep 2007 |
Sep published Oct 2007 |
Oct published Nov 2007 |
Nov published Dec 2007 |
Dec published Jan 2008 |
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| 2006 | Jan published Feb 2006 |
Feb published Mar 2006 |
Mar published Apr 2006 |
Apr published May 2006 |
May published Jun 2006 |
Jun published Jul 2006 |
Jul published Aug 2006 |
Aug published Sep 2006 |
Sep published Oct 2006 |
Oct published Nov 2006 |
Nov published Dec 2006 |
Dec published Jan 2007 |
|
| 2005 | Jan published Feb 2005 |
Feb published Mar 2005 |
Mar published Apr 2005 |
Apr published May 2005 |
May published Jun 2005 |
Jun published July 2005 |
Jul published Aug 2005 |
Aug published Sep 2005 |
Sep published Oct 2005 |
Oct published Nov 2005 |
Nov published Dec 2005 |
Dec published Jan 2006 |
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| 2004 | Jan published Feb 2004 |
Feb published Mar 2004 |
Mar published Apr 2004 |
Apr published May 2004 |
May published Jun 2004 |
Jun published Jul 2004 |
Jul published Aug 2004 |
Aug published Sep 2004 |
Sep published Oct 2004 |
Oct published Nov 2004 |
Nov published Dec 2004 |
Dec published Jan 2005 |
|
| 2003 | Jan published Feb 2003 |
Feb published Mar 2003 |
Mar published Apr 2003 |
Apr published May 2003 |
May published Jun 2003 |
Jun published Jul 2003 |
Jul published Aug 2003 |
Aug published Sep 2003 |
Sep published Oct 2003 |
Oct published Nov 2003 |
Nov published Dec 2003 |
Dec published Jan 2004 |
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| 2002 | Jan published Feb 2002 |
Feb published Mar 2002 |
Mar published Apr 2002 |
Apr published May 2002 |
May published Jun 2002 |
Jun published Jul 2002 |
Jul published Aug 2002 |
Aug published Sep 2002 |
Sep published Oct 2002 |
Oct published Nov 2002 |
Nov published Dec 2002 |
Dec published Jan 2003 |
|
| 2001 | Jan published Feb 2001 |
Feb published Mar 2001 |
Mar published Apr 2001 |
Apr published May 2001 |
May published Jun 2001 |
Jun published Jul 2001 |
Jul published Aug 2001 |
Aug published Sep 2001 |
Sep published Oct 2001 |
Oct published Nov 2001 |
Nov published Dec 2001 |
Dec published Jan 2002 |
|
| 2000 | Jan published Feb 2000 |
Feb published Mar 2000 |
Mar published Apr 2000 |
Apr published May 2000 |
May published Jun 2000 |
Jun published Jul 2000 |
Jul published Aug 2000 |
Aug published Sep 2000 |
Sep published Oct 2000 |
Oct published Nov 2000 |
Nov published Dec 2000 |
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| 1999 | Jan published Feb 1999 |
Feb published Mar 1999 |
Mar published Apr 1999 |
Apr published May 1999 |
May published Jun 1999 |
Jun published Jul 1999 |
Jul published Aug 1999 |
Aug published Sep 1999 |
Sep published Oct 1999 |
Oct published Nov 1999 |
Nov published Dec 1999 |
Dec published Jan 2000 |
|
| 1998 | Jan published Feb 1998 |
Feb published Mar 1998 |
Mar published Apr 1998 |
Apr published May 1998 |
May published Jun 1998 |
Jun published Jul 1998 |
Jul published Aug 1998 |
Aug published Sep 1998 |
Sep published Oct 1998 |
Oct published Nov 1998 |
Nov published Dec 1998 |
Dec published Jan 1999 |
|
| 1997 | Jan published Feb 1997 |
Feb published Mar 1997 |
Mar published Apr 1997 |
Apr published May 1997 |
May published Jun 1997 |
Jun published Jul 1997 |
Jul published Aug 1997 |
Aug published Sep 1997 |
Sep published Oct 1997 |
Oct published Nov 1997 |
Nov published Dec 1997 |
Dec published Jan 1998 |
|
| 1996 | Dec published Jan 1997 |
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Updated August 21, 2024
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