Conservation Commission approves knotweed removal with environmental conditions
Carlisle Conservation Commission clears knotweed removal with environmental protections. The Commission approved an Order of Conditions for invasive Japanese knotweed removal at Greenough Conservation Land, imposing special provisions including a ban on herbicides containing POEA (an amphibian
Conservation Commission · Meeting of May 14, 2026
Carlisle Conservation Commission clears knotweed removal with environmental protections. The Commission approved an Order of Conditions for invasive Japanese knotweed removal at Greenough Conservation Land, imposing special provisions including a ban on herbicides containing POEA (an amphibian toxicant) and requirements for monitoring of rare Britton's Violet before livestock grazing; the motion carried unanimously, 5-0. The Commission recommended three applicants — Member Brian Murphy, Member Melissa Webster, and applicant Tony Kiszewski — for three open Conservation Commission positions to be sent to the Select Board for appointment.
The Commission additionally backed Warrant Article 5 for 1.4 million dollars in design and engineering funds for a new Department of Public Works building.
In the full story:
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Source: the Conservation Commission meeting of May 14, 2026, compiled from the official minutes.
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