How Healthy is Your Water?

East River Snapshot

73
out of 100
Bay Health Index (5-year average)
poor
fair
good
73
73
out of 100

Supporting Data

East River: Stonebridge Marina (ER1)
Nitrogen, dissolved oxygen, algae, and water clarity measurements taken from floating dock at Stonebridge Marina. (41.742743, -70.6539)
Total Nitrogen
Dissolved Inorganic Nitrogen
Total Organic Nitrogen
Dissolved Oxygen
All Measurements
Average of Lowest 20%
Algal Pigments
Total Pigments
Water Clarity
Yearly Average

Volunteer

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.

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Top Stories on Onset Bay

14 places to learn how to sail on Buzzards Bay this summer

If you’ve ever watched sailboats breeze by in summer and wondered how you or your kids could learn how to sail, then you’re in luck. These 14 locations offer group and private sailing lessons that will help you get out on the water in no time!

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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 ›

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: