Cyanobacteria Information & Warnings


Moultonborough Cyanobacteria Warnings

Exposure to Cyanobacteria blooms that periodically appear in Moultonborough waters are a potential health hazard to you and your pets. Cyanobacteria surface blooms can rapidly change and accumulate in various locations around a water body. The following Cyanobacteria alerts/advisories for Moultonborough waters have been issued by NH DES. You are encouraged to visit the NH DES website for the current status of the DES-issued Alert and or Advisories.

2022 DES Cyanobacteria Alerts & Advisories for Moultonborough

Water BodyNotice TypeDate Issued
Lake Winnipesaukee - Moultonborough Bay (PDF)
Advisory, NH DES
September 8, 2022
Lake Kanasatka Update
Advisory, NH DES
September 11, 2022

Recent historical trends for Cyanobacteria blooms in your area may be found on the Lake Winnipesaukee Association website.