Nashaquitsa and Stonewall Ponds cyanobacteria testing results

On 08/28/23, the Chilmark Board of Health collected cyanobacteria samples in Nashaquitsa and Stonewall ponds, as we received several inquiries from the public. All five samples showed no cyanobacteria present in these waters.  See the map with the exact testing locations. 

For more information, go to: https://greatpondfoundation.org/mvcyano/