Watertown Commission Approves Chemical Knotweed Treatment at 99 Coolidge Site
WATERTOWN -- June 3, 2026, Watertown Conservation Commission unanimously approved a chemical-and-mechanical knotweed removal plan and received a detailed carbon study estimating Whitney Hill Park's forest holds roughly 2.4 million pounds of carbon. The commission voted to allow direct herbicide application, using a diluted, wetlands-approved