A new private-public coalition announced this week will monitor the presence of cyanobacteria in the Edgartown, Chilmark and Tisbury Great Ponds this summer, including through maps and a special-purpose website.

Two leading scientists with the Massachusetts Estuaries Project met with the Chilmark selectmen this week to seek approval in moving forward with their study of Chilmark Pond. A draft report released last month confirms that the pond is at its limit for handling nitrogen runoff.