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CWMN Volunteer Pete Jackson takes a water sample.

CWMN 

Results

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This is your source for learning about the water quality of streams and other waterways in the Neponset Valley. The water quality information presented below was gathered by the volunteers of the Citizen Water Monitoring Network (CWMN). CWMN volunteers regularly sample the water quality of a variety of tributaries in the Neponset River Watershed, and are trained by the staff of the Neponset River Watershed Association.

If you have any questions about the CWMN data below, or want to become a CWMN Volunteer, please contact Bill Guenther, NepRWA Environmental Scientist, at 781-575-0354 x302 or guenther@neponset.org

Read a description of the water quality index.

View the 2008 Follow-Up Sampling Report.

View NepRWA's CWMN Report: Boston Harbor Watersheds Water Quality & Hydrologic Investigations: Fore, Mystic, Neponset & Weir River Watersheds (6/30/2003): Small Digital File (3,395 KB), Large Digital File (10,130 KB)

 

 

 
 

2008

October CWMN Data (41 KB)

October Stream Status (41 KB)

September CWMN Data (41 KB)

September Stream Status (41 KB)

August CWMN Data (41 KB)

August Stream Status (41 KB)

June CWMN Data (41 KB)

June Stream Status (41 KB)

May CWMN Data (42 KB)

May Stream Status (40 KB)

April CWMN Data (42 KB)

April Stream Status

 
 
 

2007

October Event Database (41 KB)

October Stream Status (40 KB)

September Event Database (41 KB)

September Stream Status (42 KB)

August CWMN Data (43 KB)

August Stream Status (53 KB)

June CWMN Data (42 KB)

June Stream Status

May CWMN Data (41 KB)

May Stream Status (38 KB)

April CWMN Data (42 KB)

April Stream Status

 
 

2006

November CWMN Site Data (40 KB)

November CWMN Site Status (41 KB)

September CWMN Site Data (39 KB)

September CWMN Site Status (39 KB)

July CWMN Site Data (39 KB)

July CWMN Site Status (39 KB)

May CWMN Site Data (39 KB)

May CWMN Site Status

March CWMN Site Data (37 KB)

March CWMN Site Status (39 KB)

Jan. CWMN Data (39 KB)

Jan. CWMN Stream Status (38 KB)

 
 

2005

Nov. CWMN Data (39 KB)

Nov. CWMN Stream Status (39 KB)

Sept. CWMN Data (68 KB)

Sept. CWMN Stream Status (38 KB)

July CWMN Data (39 KB)

July CWMN Stream Status (38 KB)

May CWMN Data (38 KB)

May CWMN Stream Status (36 KB)

March Data

March Water Quality Grade (31 KB)

February Data (66 KB)

 

2004

November 2004 Event (68 KB)

November 2004 Water Quality Grade (106 KB)

September 2004 Event (69 KB)

July 2004 Event (66 KB)

May 2004 Event (66 KB)

May 2004 Water Quality Grade (106 KB)

March 2004 Event (66 KB)

March 2004 Water Quality Grade (105 KB)

 

2003

Nov. 2003 Event (68 KB)

Nov. 2003 Water Quality Grade (107 KB)

Sept. 2003 Event (15 KB)

Sept. 2003 Water Quality Grade (105 KB)

July 2003 All Data (67 KB)

July 2003 Water Quality Grade (106 KB)

July 2003 Fecal Map (159 KB)

May 2003 Results (15 KB)

May 2003 Report Card (12 KB)

May 2003 Fecal Map (190 KB)

March 2003 Results (16 KB)

March 2003 Report Card (13 KB)

March 2003 Fecal Map (197 KB)

Jan. 2003 Data (69 KB)

 

2002

Nov. 2002 Results (16 KB)

Nov. 2002 Water Quality Report Card (13 KB)

Sept. 2002 Results (16 KB)

Sept. 2002 Fecal Map (201 KB)

Sept. 2002 Water Quality Report Card (12 KB)

July 2002 CWMN Results (15 KB)

July 2002 Water Quality Report Card (8 KB)

June 2002 Follow-Up Results (7 KB)

May 2002 CWMN Results (15 KB)

May 2002 Fecal Map (155 KB)

March 2002 CWMN Results (17 KB)

March 2002 Fecal Map (148 KB)

January 2002 CWMN Results (14 KB)