A cyanobacteria advisory has been issued by NH DES for Province Lake as of late on September 7, 2022. The official press release is attached below. There also is an info poster attached for your reference. You all need to use caution and make your own determinations on whether to recreate in the lake. DES will sample again in a week to see if the advisory will stay in place. The picture below is from this morning Sept 8.