– Keyes Beach remains closed for swimming due to elevated Enterococci bacteria counts. Due to this exceedance, this beach does not meet 105 CMR 445.00, Minimum Standards for Bathing Beaches, and is required to be closed to swimming.
– A Warning is removed at Long Pond Centerville after two weeks with no cyanobacteria scum and microcystin toxin.
– A Warning is replaced with a Pet Advisory at Long Pond Marstons Mills due reduced levels of cyanobacteria biomass and microcystin toxin.
Pet Advisory Level
Long Pond, Marstons Mills
North Pond, Osterville
To see a map with all monitored ponds and other town’s ponds – check out the Cyanomap at APCC at: