Outdoors blog

Newman Lake boat access closing for weed control

Aquatic biologist Brandon Watson loads a box of the chemical 2,4-D onto a boat equipped with outriggers designed to distribute the chemical into the water to kill Eurasian milfoil, an invasive aquatic weed, during a control effort at Newman Lake. (Tyler Tjomsland)
Aquatic biologist Brandon Watson loads a box of the chemical 2,4-D onto a boat equipped with outriggers designed to distribute the chemical into the water to kill Eurasian milfoil, an invasive aquatic weed, during a control effort at Newman Lake. (Tyler Tjomsland)

BOATING -- The Washington Department of Fish and Wildlife public access site at Newman Lake will be closed June 3-5 to allow treatment of the lake with herbicide to control Eurasian milfoil and other aquatic invasive weeds. 

The Newman Lake Flood Control Zone District, under permit from the Washington Department of Ecology, has hired Aqua Technex to treat milfoil infestations on about 80 acres throughout  the 1,200-acre lake with 2-4-D (dichlorophenoxyacetic acid, dimethylamine salt).  

 A swimming restriction will be in force during treatment and for 24 hours after treatment.  Boating and swimming will be discouraged the day of treatment and for two days after.  Signs with that information will be posted. The boating restriction is needed because wave action reduces the herbicide’s effectiveness.

 Karen Kruger, Spokane County Water Resources Technician, says last summer’s aquatic weed treatment at Newman Lake went well, thanks in part to volunteer efforts to help keep boaters out of the herbicide application area.

 Aquatic herbicide application permits authorized by Ecology include requirements and restrictions to protect fish and wildlife.

 WDFW lands manager Brian Trickel said the gates to the area will be closed early on Tuesday, June 3, and re-opened early on Friday, June 6.

 Newman Lake is about 20 miles northeast of Spokane, about two miles west of the Idaho border, and is open year-round for fishing. 




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Rich Landers
Rich Landers writes and photographs stories for a wide range of outdoors coverage, including a Sunday feature section and a Thursday column. He also writes the Outdoors Blog.

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