How Healthy is Your Water?

Inner Mattapoisett Harbor Snapshot

68
out of 100
Bay Health Index (5-year average)
poor
fair
good
68
68
out of 100

Supporting Data

Inner Mattapoisett Harbor: Town Dock (Station MH1)
Nitrogen, dissolved oxygen, algae, and water clarity measurements taken from Mattapoisett Town Dock. (41.656167, -70.81302)
Total Nitrogen
Dissolved Inorganic Nitrogen
Total Organic Nitrogen
Dissolved Oxygen
All Measurements
Average of Lowest 20%
Algal Pigments
Total Pigments
Water Clarity
Yearly Average
Inner Mattapoisett Harbor: Mattapoisett YMCA – Offshore (Station MH4N)
Nitrogen, algae, and water clarity measurements taken from a boat off the Mattapoisett YMCA dock. (41.651078, -70.82095)
Total Nitrogen
Dissolved Inorganic Nitrogen
Total Organic Nitrogen
Algal Pigments
Total Pigments
Water Clarity
Yearly Average
Inner Mattapoisett Harbor: Mattapoisett YMCA (Station MH4X)
Dissolved oxygen and water clarity measurements taken from shore off the Mattapoisett YMCA dock. (41.652087, -70.822839)
Dissolved Oxygen
All Measurements
Average of Lowest 20%
Water Clarity
Yearly Average
Bay Health data is funded in part by the Massachusetts Environmental Trust.
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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 Mattapoisett Harbor/Eel Pond

Coalition members share 14 of their favorite places on Buzzards Bay

To kick off summer, our members shared 14 of their favorite places: harbors, beaches, trails, and all the other fantastic spots where people like you can discover Buzzards Bay summer long.

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12 after-school walks to take with your kids in southeastern Massachusetts

After a long day sitting in a classroom, kids can usually use some fresh air. So why not head outside after school for a family walk?

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Explore our newest reserve, Carvalho Farm, on Nasketucket Bay

On November 26, town officials and members of the public gathered in a Fairhaven meadow in the November sunshine to celebrate the opening of Carvalho Farm, the Coalition’s newest public reserve.

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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: