How Healthy is Your Water?

Mattapoisett River Mouth Snapshot

37
out of 100
Bay Health Index (5-year average)
poor
fair
good
37
37
out of 100

Supporting Data

Mattapoisett River Mouth: Rail Trail Bridge (Station MH3)
Nitrogen, dissolved oxygen, algae, and water clarity measurements taken from shore and boat by the Mattapoisett Rail Trail bridge crossing the river. (41.651743, -70.827858)
Total Nitrogen
Dissolved Inorganic Nitrogen
Total Organic Nitrogen
Dissolved Oxygen
All Measurements
Average of Lowest 20%
Algal Pigments
Total Pigments
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

River herring numbers are up in some Bay waterways – but there’s more work to do

Population counts of river herring were up in three of Buzzards Bay’s most important rivers — the Agawam, Acushnet, and Mattapoisett Rivers — during spring 2019. But rising numbers don’t mean that the work to protect river herring has ended.

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Restoration of The Bogs in Mattapoisett will improve property for water, wildlife, and people

The streams and wetlands at The Bogs in Mattapoisett will provide improved water flow and better wildlife habitat as part of a Coalition-led restoration project, beginning later this year.

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10 Buzzards Bay herring runs to visit this spring

As spring arrives, migratory river herring return to Buzzards Bay’s rivers and streams. Catch a glimpse of these important fish at one of these 10 herring runs around the region.

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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: