Since 1990, the NYS DEC, the US Fish & Wildlife Service and the Vermont DEC have steadily reduced the impact of the invasive species by applying "lampricide" chemical treatments every three years to interrupt the Lamprey breeding cycle. In the past they only applied it at the mouth of the Boquet below the barrier of the dam.
For 2024, the DEC has proposed applying lampricide at two upsteam locations this fall: at the Jersey Street Bridge in Essex, and 1.5 miles up the North Branch of the Boquet on Sunset Drive in Willsboro. While the chemical is highly targeted to Sea Lamprey, the DEC recommends that the public limit our exposure to river water during the 3-7 day period of application. Consuming, swimming, fishing or livestock watering with river water is not recommended. The DEC has not set the dates of application, but will notify riverfront landowners by mail, publish notice in local papers and activate a "hotline" that resident can call.
You can learn more by visiting the US Fish & Wildlife's page about controlling Lamprey here. The DEC provides information about Sea Lamprey and the lampricide application here.
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