Cyanobacteria Safety and Risk Assessment

When it comes to cyanobacteria, only you can decide the level of risk you are comfortable with. Always perform a self-assessment before recreating in the water. When in doubt, err on the side of caution to avoid potential exposure. Below…

Navigating the Healthy Swimming Mapper

The Healthy Swimming Mapper from the New Hampshire Department of Environmental Services is a great way to stay up-to-date on cyanobacteria activity in the state. The map displays areas where cyanobacteria blooms and fecal bacteria have been reported, with different…

No Active Cyanobacteria Alerts or Warnings on Lake Wentworth or Crescent Lake as of 6/28/24

The alert issued in early June has been removed by DES. Information about that bloom can be found below. Remember- "When in Doubt, Stay Out". Always look at the water before recreating. If you suspect a bloom that looks like…