Outdoors

Newman Lake to be treated for aquatic weeds Sept. 9-11

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 public access site and boat lauch at Newman Lake will be closed Sept. 9-11 to allow treatment of the lake with herbicide to control Eurasian milfoil and other aquatic invasive weeds.

The Washington Department of Fish and Wildlife says gates to the access at the Spokane County lake will be closed early on Tuesday, Sept. 9, and re-opened early on Friday, Sept. 12.

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 28  acres throughout the 1,200-acre lake with 2-4-D (dichlorophenoxyacetic acid, dimethylamine salt), Diquat, and Glyphosate.  The treatment is a follow-up to similar work conducted in June.

A swimming and boating restriction, noted on posted signs, will be in force during treatment and for 24 hours after treatment. The boating restriction is needed because wave action reduces the herbicide’s effectiveness.

Newman Lake is open to fishing year-round.




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Rich Landers

Rich Landers’ Outdoors blog


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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