Water Quality Data

CWMN volunteers sample water quality in streams and the Neponset River, from May through October, throughout the 14 communities of the Neponset Watershed.

The water quality information presented below was gathered by CWMN volunteers.

If you have any questions about the data, or want to become a CWMN volunteer, please contact Environmental Science Fellow, Annie O’Connell, at 781-575-0354 x306 or o’connell@neponset.org.

CWMN water quality data

2016

October 13, 2016 CWMN Data | Stream Status | Map of E. coli

September 15, 2016 CWMN Data | Stream Status | Map of E. coli

August 18, 2016 CWMN Data | Stream Status | Map of E. coli

July 21, 2016 CWMN Data | Stream Status | Map of E. coli

June 16, 2016 CWMN Data | Stream Status | Map of E. coli

May 19, 2016 CWMN Data | Stream Status | Map of E. coli

2015

May 6, 2015 CWMN Data | Stream Status | Map of E. coli

June 3. 2015 CWMN Data | Stream Status | Map of E. coli

July 1, 2015 CWMN Data | Stream Status | Map of E. coli

August 5, 2015 CWMN Data | Stream Status | Map of E. coli

September 2, 2015 CWMN Data | Stream Status | Map of E. coli

October 7, 2015 CWMN Data | Stream Status | Map of E. coli

2014

May 29, 2014 CWMN Data | Stream Status | Map of E. coli

June 26, 2014 CWMN Data  | Stream Status

July 24, 2014 CWMN Data | Stream Status | Map of E. coli

August 28, 2014 CWMN Data | Stream Status | Map of E. coli

September 25, 2014 CWMN Data | Stream Status | Map of E. coli

October 30, 2014 CWMN Data |  Stream Status | Map of E. coli

2013

April 10, 2013 CWMN Data | Stream Status | Map of E. coli

May 22, 2013 CWMN Data |  Stream Status | Map of E. coli

June 26, 2013 CWMN Data | Stream Status | Map of E. coli

August 8, 2013 CWMN Data | Stream Status | Map of E. coli

September 11, 2013 CWMN Data | Stream Status | Map of E. coli

October 23, 2013 CWMN Data | Stream Status | Map of E. coli

.

2012

April 11, 2012 CWMN Data and Stream status

May 23, 2012 CWMN Data and Stream status

June 27, 2012 CWMN Data and Stream status

August 1, 2012 CWMN Data and Stream status

September 5, 2012 CWMN Data and Stream status

October 24, 2012 CWMN Data and Stream status

2011

April 6, 2011 CWMN Data and Stream Status

May 11, 2011 CWMN Data and Stream Status

June 22, 2011 CWMN Data and Stream Status

August 3, 2011 CWMN Data and Stream Status

September 14, 2011 CWMN Data and Stream Status

October 26, 2011 CWMN Data and Stream Status

2010

April 14, 2010 CWMN Data and Stream Status

May 26, 2010 CWMN Data and Stream Status

June 30, 2010 CWMN Data and Stream Status

August 11, 2010 CWMN Data and Stream Status

September 22, 2010 CWMN Data and Stream Status

2009

April 8, 2009 CWMN Data and Stream Status

May 27, 2009 CWMN Data and Stream Status

July 1, 2009 CWMN Data and Stream Status

August 12, 2009 CWMN Data and Stream Status

September 23, 2009 CWMN Data and Stream Status

October 28, 2009 CWMN Data and Stream Status

2008

October 29, 2008 CWMN Data and Stream Status

September 17, 2008 CWMN Data and Stream Status

August 6, 2008 CWMN Data and Stream Status

June 25, 2008 CWMN Data and Stream Status

May 14, 2008 CWMN Data and Stream Status

April 2, 2008 CWMN Data and Stream Status

2007

October 24, 2007 CWMN Data and Stream Status

September 19, 2007 CWMN Data and Stream Status

August 8, 2007 CWMN Data and Stream Status

June 27, 2007 CWMN Data and Stream Status

May 16, 2007 CWMN Data and Stream Status

April 4, 2007 CWMN Data and Stream Status

2006

November 15, 2006 CWMN Data and Stream Status

September 27, 2006 CWMN Data and Stream Status

July 26, 2006 CWMN Data and Stream Status

May 24, 2006 CWMN Data and Stream Status

March 22, 2006 CWMN Data and Stream Status

January 25, 2006 CWMN Data and Stream Status

2005

November 16, 2005 CWMN Data and Stream Status

September 28, 2005 CWMN Data and Stream Status

July 27, 2005 CWMN Data and Stream Status

May 2, 2005 CWMN Data and Stream Status

March 23, 2005 CWMN Data and Water Quality Status

February 2, 2005 CWMN Data

2004

November 2004 CWMN Data and Water Quality Grade

September 22, 2004 CWMN Data

July 28, 2004 CWMN Data

May 26, 2004 CWMN Data and Water Quality Grade

March 24, 2004 CWMN Data and Water Quality Grade

2003

November 19, 2003 CWMN Data and Water Quality Grade

September 24, 2003 CWMN Data and Water Quality Grade

July 23, 2003 All Data, Water Quality Grade, and Map of Fecal Bacteria

May 28, 2003 CWMN Data, Water Quality Grade, and Map of Fecal Bacteria

March 26, 2003 CWMN Data, Water Quality Grade, and Map of Fecal Bacteria

January 22, 2003 CWMN Data

2002

November 20, 2002 CWMN Data and Water Quality Grade

September 25, 2002 CWMN Data, Water Quality Grade, and Map of Fecal Bacteria

July 24, 2002 CWMN Data and Water Quality Grade

June 23, 2002 Follow-up Water Quality Data

May 22, 2002 CWMN Data and Map of Fecal Bacteria

March 27, 2002 CWMN Data and Map of Fecal Bacteria

January 23, 2002 CWMN Data

Related publications

2008 “Follow-Up” Sampling Final Report

Boston Harbor Watersheds Water Quality & Hydrologic Investigations, June 30, 2003