Cyanobacteria Alert – August 11 2026
Above: Long Pond Marstons Mills, Barnstable on August 10, 2026 “When in Doubt, Please Stay Out.” A potentially toxic cyanobacteria bloom has been detected in: • Long Pond Marstons Mills, 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 […]
APCC Cyanobacteria Info Series #3
Cyanobacteria Series – #3 Presence of Cyanotoxins In our last installment of APCC’s cyanobacteria info series, we explained that blooms don’t always appear as clear, visual green surface scums. Cyanobacteria can also be present as tiny particles or larger clumps suspended throughout the water, and a pond’s appearance can change throughout the day as sunlight, […]
Cyanobacteria Alert – August 6 2026
“When in Doubt, Please Stay Out.” A potentially toxic cyanobacteria bloom has been detected in: • Hamblin Pond, Barnstable • Sheep Pond, Brewster 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. […]
Cyanobacteria Alert – August 5 2026
Above: Wing Pond, Falmouth on August 4, 2026 “When in Doubt, Please Stay Out.” A potentially toxic cyanobacteria bloom has been detected in: Wing Pond, Falmouth 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 […]
APCC Cyanobacteria Info Series #2
Cyanobacteria Series – #2 What to look for and how to protect yourself and your pets from possible exposure. Cyanobacteria blooms can look like green paint, pea soup, floating or submerged mats, small particles in the water, or a scum line on the shore. Cyanobacteria blooms are often blue or green, or sometimes brown, red, […]
Cyanobacteria Alert – July 30 2026
Above: Upper Shawme Lake, Sandwich on July 29, 2026 “When in Doubt, Please Stay Out.” A potentially toxic cyanobacteria bloom has been detected in: • Crooked Pond, Falmouth • Ashumet Pond, Falmouth/Mashpee • Upper Shawme Lake, Sandwich The town has been notified of the findings. If you have any questions, contact the local health department. […]
Cyanobacteria Alert – July 29 2026
“When in Doubt, Please Stay Out.” A potentially toxic cyanobacteria bloom has been detected in: • Nyes Pond, Falmouth • West Reservoir, Harwich • Bucks Pond, Harwich 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 […]
Cyanobacteria Alert – July 28 2026
Above: North Pond, Barnstable on July 27, 2026 “When in Doubt, Please Stay Out.” A potentially toxic cyanobacteria bloom has been detected in: • Santuit Pond, Mashpee • North 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 […]
APCC Cyanobacteria Info Series #1
Above: Lovers Lake, Chatham. Photo by Sue Machie Cyanobacteria—Demystified Cyanobacteria have been in the news a lot lately. While APCC provides information about cyanobacteria on our website, we recognize that the information can be dense and complicated. To demystify the subject, we are launching a series of bite-sized cyanobacteria informational emails to help you understand […]
Cyanobacteria Alert – July 22 2026
Above: Schoolhouse Pond, Brewster, July 21, 2026 “When in Doubt, Please Stay Out.” A potentially toxic cyanobacteria bloom has been detected in: • Jenkins Pond, Falmouth • Walkers Pond, Brewster • Schoolhouse Pond, Brewster The town has been notified of the findings. If you have any questions, contact the local health department. You can view […]