Be cautious of lake water that has a surface scum, changes colors, or appears to have green streaks or blue-green flecks aggregating along the shore.
A resident of Danforth Pond reported an apparent patch of cynobacteria today, causing the state to issue an alert. A state official will investigate tomorrow to determine whether to escalate the alert to a warning.
The advisory issued on August 9 was removed by the state on Tuesday, August 13, but visitors and residents are asked to remain on the lookout.
Discovered three times last year on Ossipee Lake, cyanobacteria are on the rise around the state due to warming temperatures and increased phosphorus from runoff. It can be benign or it can be toxic, and it’s something every lake property owner should understand, as we found out at last weekend’s Wolfeboro Water Summit.