On August 15, 2024, part of Lake Arrowhead will be treated with herbicide to control the growth of Variable water-milfoil (Myriophyllum heterophyllum), an invasive aquatic plant, please see map below for area of treatment.
Herbicide: florpyrauxifen-benzyl (Trade name: ProcellaCORTM EC)
The following water use restrictions on the ProcellaCORTM EC label apply to the treatment area:
- Do not use lake water for hydroponic, greenhouse or nursery irrigation before contacting Maine Department of Environmental Protection (DEP, see contact information below) to confirm the herbicide has dissipated
- Do not use lake water for any residential or non-agricultural irrigation (such as shoreline property use for irrigation of residential landscape plants and homeowner gardens, golf course irrigation, and non-residential property irrigation around business or industrial properties) for 3 days following treatment. Turf may be irrigated immediately after the treatment
There is no label restriction on recreational uses, including swimming, but Maine DEP advises against swimming and boating in the treatment area on August 15, 2024 as an added safety precaution.