Oregon DFW to Treat Two Local Water Bodies to Remove Unwanted Bass, Bullhead, Bluegill

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The Oregon Department of Fish and Wildlife will treat Stateline Reservoir and a Summit-area rock pit on Oct. 28 to remove unwanted fish species.

Stateline Reservoir, 15 mile north of Hines, will be treated with rotenone to remove illegally introduced bluegill and brown bullhead and restore a popular rainbow trout fishery. Rotenone is a plant base fish toxicant. The reservoir will be restocked with rainbow trout next spring. Normally, ODFW stocks the reservoir with fingerlings but next year legal-sized fish will be included to restart the fishery.

The gravel pit to be treated is one of several pits in Summit, but the only one filled with water from subsurface flows. It will be treated with rotenone to remove illegally stocked smallmouth bass. Biologists are concerned the bass could find their way into Summit Creek and eventually impact bull trout populations. Bull trout throughout the Malheur River system are list as threatened under the federal Endangered Species Act. The US Forest Service Prairie City Ranger District is considering breaching or filling in the pond to remove the threat permanently.

Both water bodies will be treated in October and signs will be posted at each site recommending anglers and others avoid the areas until spring 2012.

Rotenone, a plant substance, has been approved as a fish toxicant by the Environmental Protection Agency. At the concentrations used to kill fish, rotenone is not toxic to human, other mammals or birds. It breaks down completely in the environment and will not be detectable within weeks of treatment. For more information about rotenone to the ODFW website at http://www.dfw.state.or.us/fish/diamond_lake/FAQs.asp.


Retired2hunt's picture

  Maybe not in total minority


Maybe not in total minority there!  I grew up on bass, bullheads, bluegill, and crappie.  All great fish to catch and to eat. 

I know as well it is sometimes necessary to restore natural conditions but what about holding a free (no license needed) fishing allowance on the lake with no catch restrictions on these fish?  Or net great amounts of the fish and provide to the hungry?  This use of the natural plant substance is most likely the most cheapest means to quickly eradicate the waters of these fish so very understandable.

But I also like to catch and eat trout!



hunter25's picture

I know it's sometimes needed

I know it's sometimes needed to restore things and keep the ablance but I would far rather catch smallmouth bass or bullheads than trout. I know I'm probably in the minority here but I just find most trout fishing boring. Maybe because most of the ones I have caught just don't have nearly the fight of a good bass or catfish of even half the size. I don't in any way condone the illegal stocking of these fish where they don't belong but I sure like fishing them more.

numbnutz's picture

Good deal. I like the fact

Good deal. I like the fact that he ODFW has been treating these lakes in the state to get rid of the non native fish. Over the past couple years they have done this in a few other lakes to restore the native fish. Like the article says the chemical used is non toxic to humans and other animals and works well to kill of the fish. I have been out fishing a few time this month and have had a blast. Last weekend I went salmaon fishing for the first time in 2 years and both my dad and tagged out in 3 hours. I'm now excited for the winter steelhead run later this winter. I have spent so much time on hunting stuff I have neglected fishing but I will do alot more of it this year. I have alo discovered high lakes fishing. Some of our high lakes in the Cascades get stocked every 2 years and no body fishes them so the fish are able t grow very large.