How Healthy is Your Water?
Broad Cove/Muddy Cove
One sampling station: BD1
East River
One sampling station: ER1
Inner Onset Bay
Four sampling stations: OB1, OB3, OB3A, OB6
Outer Onset Bay
Five sampling stations: OB2, OB7, OB8, OB9, OB10
Shell Point Bay
Three sampling stations: SB1, SB2X, OB4


Become a Baywatcher

Help the Buzzards Bay Coalition keep an eye on the health of the water in your community. Become a Baywatcher, and you can volunteer as a "citizen scientist" on the water this summer.

Read More ›

Top Stories on Onset Bay

Onset Bay Center Community Update – March 2018

Read the Coalition's latest update on its progress to create the Onset Bay Center, a new on-the-water exploration center that will provide programming for thousands of people every year

Full Story ›
$350K Seaport Economic Council grant will support creation of Onset Bay Center headquarters

The Coalition and the town of Wareham have received a $350,000 grant from the Seaport Economic Council to restore the historic Onset Bathhouse to serve as the headquarters for the Coalition’s developing Onset Bay Center.

Full Story ›
With restoration beginning this year, Wickets Island will become centerpiece of outdoor recreation on Onset Bay

Wickets Island, part of the developing Onset Bay Center, will be a place where people of all ages can swim, fish, paddle, dig for quahogs, walk, and picnic with their friends and family.

Full Story ›

Working to Save Buzzards Bay

The Buzzards Bay Coalition is a membership-supported organization dedicated to improving the health of the Buzzards Bay ecosystem for all through education, conservation, research, and advocacy.

We work to protect clean water on the Bay and on the land: