Cyanobacteria Alert – May 22 2026

“When in Doubt, Please Stay Out.” A potentially toxic cyanobacteria bloom has been observed at Hamblin Pond, Barnstable Mystic Lake, Barnstable The town has posted a pet advisory. If you have any questions, contact the local health department. Avoid contact, particularly incidental ingestion of pond water that can occur during swimming. Dogs […]


