Gerard Hokanson Gerard Hokanson

Cyanobacteria - Lagoon Pond

During Summer 2025 MV CYANO, a collaborative initiative among Island Boards of Health and scientists from Great Pond Foundation, identified a cyanobacteria bloom at Upper Lagoon Pond. The Oak Bluffs Board of Health issued a cyanobacteria bloom “ADVISORY” for the area directly south of the herring run and “WATCH” directly north of the herring run. See more info here.

Read More