Cyanobacteria Alert – June 23 2026

“When in Doubt, Please Stay Out.” A potentially toxic cyanobacteria bloom has been detected in: Mashpee Pond, Mashpee The town notified APCC that they posted a Potential for Concern for this pond because of a visual scum. If you have any questions, contact the Mashpee health department. You can view the most recent sampling date […]
Cyanobacteria Alert – June 23 2026

“When in Doubt, Please Stay Out.” A potentially toxic cyanobacteria bloom has been detected in: Shubael Pond, BarnstableLovells Pond, Barnstable The town has been notified of the findings. If you have any questions, contact the local health department. You can view the most recent sampling date and results on our interactive map. Avoid contact, particularly […]
Cyanobacteria Alert – June 18 2026

“When in Doubt, Please Stay Out.” A potentially toxic cyanobacteria bloom has been detected in: Coonamessett Pond, Falmouth The towns have been notified of the findings. If you have any questions, contact the local health department. You can view the most recent sampling date and results on our interactive map. Avoid contact, particularly incidental ingestion […]
Cyanobacteria Alert – June 16 2026

“When in Doubt, Please Stay Out.” A potentially toxic cyanobacteria bloom has been detected in: Gooseberry Pond, Barnstable Wequaquet Lake, Barnstable The towns have been notified of the findings. If you have any questions, contact the local health department. You can view the most recent sampling date and results on our interactive map. Avoid contact, […]
Cyanobacteria Alert – June 15 2026

“When in Doubt, Please Stay Out.” We are passing along this notification (above) from the Massachusetts Department of Public Health (MDPH) regarding Flax Pond, Nickerson State Park, Brewster You will find the most recent sampling date and results for ponds being monitored under APCC’s cyanobacteria monitoring program on our interactive map. While we do not […]
Cyanobacteria Alert – June 4 2026

“When in Doubt, Please Stay Out.” A potentially toxic cyanobacteria bloom has been identified at the following pond(s): Mares Pond, Falmouth Snake Pond, Sandwich Queen Sewell Pond, Bourne The towns have been notified of the findings. If you have any questions, contact the local health department. You can view the most recent sampling date and […]
Cyanobacteria Alert – June 2 2026

“When in Doubt, Please Stay Out.” A potentially toxic cyanobacteria bloom has been observed at Bearse Pond, Barnstable Hinckley Pond, Barnstable The town has been notified of the findings. If you have any questions, contact the local health department. You can view the most recent sampling date and results on our interactive map Avoid contact, […]
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 […]
Cyanobacteria Alert – July 8 2025

“When in Doubt, Please Stay Out.” Recent News from APCC’s Cyanobacteria Monitoring Program Please be advised that potentially toxic blooms have been identified on the following ponds: Hamblin Pond, BarnstableNeck Pond, BarnstableParker Pond, Barnstable Town officials have been notified. If you have any questions, contact the local health department. Avoid contact, particularly incidental ingestion of […]
Cyanobacteria Alert – July 1 2025

“When in Doubt, Please Stay Out.” Recent News from APCC’s Cyanobacteria Monitoring Program Please be advised that potentially toxic blooms have been identified on the following ponds: Long Pond Marstons Mills, BarnstableLong Pond Centerville, BarnstableCrystal Lake, BarnstableSantuit Pond, Mashpee Town officials have been notified. If you have any questions, contact the local health department. Avoid […]


