Active Cyanobacteria Warnings Throughout the Granite State

Dozens of active cyanobacteria advisories remain in effect throughout New Hampshire.

The New Hampshire Department of Environmental Services issued cyanobacteria warnings at nine locations and watches at eight locations.

Officials warn swimmers and pet owners exposure to the bacteria can cause skin irritation, nausea and diarrhea, as well as other health issues.

To find out what areas are affected, go to the Healthy Swimming Mapper on the Department of Environmental Services website.