In Westport, the Coalition tracks the health of the two branches of the Westport Rivers: the West Branch and the East Branch. Baywatchers volunteers take water samples at 27 stations from the Head of Westport to the Westport River inlet.

The Buzzards Bay Coalition does not calculate a Bay Health Index score for Richmond Pond because it is a freshwater location. The Bay Health Index is only used to measure the health of coastal waters, including harbors, coves, and tidal rivers.