October 2018
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Volunteer news for Charles River Watershed Association's Volunteer Monthly Monitoring Program. Learn more at www.crwa.org.


The next sampling event is

Tuesday, October 16th, 2018 at 6:00 AM

If you are unable to make the sampling event and have not already done so, please let Elisabeth and your sampling partner know as soon as possible!

Dear Friend,

Attached are the E. coli results from the September sampling event, also displayed on the map below. The September sampling event was classified as a wet weather event, in which 0.19 inches of rain fell in the three days preceding the sampling event. The precipitation was mainly from rain that fell prior to 6am on the sampling day, September 18th, as the remnants of Hurricane Florence hit Massachusetts.

In September, water samples were collected and tested for E.coli at 32 out of 35 sites. 88% of the sampled sites passed the boating standard (630 MPN/100mL), and 34% of sites passed the swimming standard (126 MPN/100mL). The highest E. coli levels were observed at site 760T, the Muddy River in Boston, with a concentration of 2760 MPN/100mL.


Field Comment of the Month:

"Mosquitos + crickets + beaver nose" - Site 269T, Stop River, Medfield


Featured Photo:

The cover photos this month come from Sites 662S and 784S. Thanks to everyone who sent in photos during one of the last light-morning months of sampling! Make sure to send in your pictures of your site or your sampling team either through the Survey123 app or email!


Field Duplicates

The following sites should collect a field duplicate E. coli sample during the September 21st sampling event:

90CS - N. Main St., Bellingham

447S - USGS Streamgage, Dover

648S - Lakes Region, Waltham

729S - Eliot Bridge, Boston/Cambridge


Don't Forget Your Flashlight

Sunrise on October 16th is not until 6:58am! As the days get shorter, make sure you have a flashlight or headlamp with you for sampling. Take precautions on busy streets to ensure cars can see you by wearing a reflective vest or using safety cones.


Clean up the River, Boat for Free

Join Paddle Boston, CRWA, and the Mystic River Watershed Association for a cleanup on the Charles and Mystic Rivers! Fill a trash bag and get a free boat rental for Paddle Boston's last weekend of the season. Swag and prizes will be available for those who collect the most trash on their trip. Trash bags will be available at Paddle Boston's Boston, Cambridge, and Somerville locations.

Sunday, October 7, 2018
9:00 AM – 6:00 PM
Boston, Cambridge, and Somerville
More information


Volunteer to Restore Sherrin Woods

Join dedicated neighbors and community members to help restore Sherrin Woods Urban Wild in Hyde Park! Once used for trash dumping, these beautiful woods are being restored by Boston Parks and will feature native species, gravel-lined trails, and a climbing rock. Volunteers will help with trail maintenance, tree planting, invasive plant removal, and a citizen science tree inventory project. All are welcome!

Saturday, October 13, 2018
9:30 AM – 12:30 PM
Hyde Park, Boston
Please register here


Share Your Volunteer Experience!

CRWA is looking for a dedicated Monthly Monitoring volunteer to represent us at Congressman Kennedy's 2018 Community Service Fair in Newton on December 8th. This is a chance to share your experience volunteering for CRWA and to encourage others to volunteer with us. If you're interested in this opportunity, please contact lkumpf@crwa.org.

Thank you for all that you do for the river!  

Until next month,


Lisa Kumpf
Charles River Watershed Association
Office: 781-788-0007 ext. 228
Cell: 508-479-6489

"Saving the Charles River since 1965"


Charles & Mystic River Cleanup

Sunday, October 7, 2018

More info


Gubernatorial Forum

Thursday, October 11, 2018

More info


Sherrin Woods Volunteer Day

Saturday, October 13, 2018

More info


Head of the Charles Regatta

October 20 - 21, 2018

More info


Patagonia Boston's 30th Anniversary Party

Saturday, November 3, 2018


"Saving the Charles River since 1965"

Our mission is to use science, advocacy and the law to protect, preserve and enhance the Charles River and its watershed.

For more information about CRWA and our current programs, please visit www.charlesriver.org.


We depend on you to help us continue our important programs and to continue the work we began a half-century ago. Please consider a gift today.