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Reel Time Fishing Northwest

Mark Yuasa covers fishing and outdoors in the Pacific Northwest.

July 4, 2011 at 8:08 AM

Four eastside waters up for treatment to improve trout fishing

Four Eastern Washington lakes/ponds are up for rehab treatments to improve trout broodstock production and trout fishing, and state Fish and Wildlife will host public meetings July 12 to 20 to discuss the proposal.

Fisheries biologists propose using rotenone to remove rainbow trout from Kings Lake in Pend Oreille County where the fish are hybridizing with westslope cutthroat trout.

The treatment is needed to maintain the genetic integrity of Kings Lake cutthroat trout, which are the source of hatchery production for fish stocked throughout the eastern region.

After treatment, Kings Lake would be re-stocked with cutthroat but– as a broodstock source–the lake will remain closed to fishing.

In Okanogan County, rotenone treatment is proposed for Alta and Fish lakes and Schallow Pond to remove bass, bullheads and goldfish that compete with rainbow trout. After treatment, all three waters would be re-stocked with rainbow trout.

Rotenone is a naturally-occurring substance derived from the roots of tropical plants.

It has been used in lake and stream rehabilitation for more than 60 years by WDFW and other fish and wildlife agencies nationwide. Rotenone is approved by the U.S. Environmental Protection Agency as a fish pesticide, and is regulated in Washington through the state departments of Ecology and Agriculture.

Final consideration of the proposals by the WDFW director is anticipated in late August. If approved, lake treatments would begin this fall.

Public meetings are 7 p.m.-9 p.m. on: July 12, in Twisp at Aspen Professional Building, 20268 State Route 20; July 13, in Newport at Create Art Center, 900 West 4th St.; July 14, in Spokane Valley at WDFW’s Eastern Region office, 2315 N. Discovery Place (in Mirabeau Point, between Evergreen and Pines streets); and July 20, at the state Natural Resources Building, 111 Washington St., Room 172 in Olympia.

Written comments will be accepted on the rehabilitation proposals through Aug. 12. Mail to Jim Uehara, Washington Department of Fish and Wildlife, 600 Capitol Way N., Olympia, WA 98501-1091.

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