The fish at Wagon Train Lake won’t be biting after Wednesday.
They’ll be floating, then decomposing.
The Nebraska Game and Parks Commission plans what it calls a chemical renovation of Wagon Train — treating the lake with hundreds of gallons of pesticide to eliminate a trio of undesirable species that are threatening water quality and crowding out game species.
But rotenone doesn’t discriminate. “It’s not selective,” said Jeff Jackson, aquatic habitat program manager for G&P. “It will affect any gilled breathing organism.”
And that means the desirable species — channel catfish, crappie, bluegill and bass — will perish, too, and require restocking.
The move is an offshoot of a broader improvement plan for the lake, including boat ramp and dock improvements, creating habitat structures and cleaning out an upstream sediment dam.
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“At the same time, we were starting to realize our fisheries are in a pretty steep decline, and we've got a lot of fish in that system that we didn't want in there. And they've pretty much taken over.”
Specifically, the commission is trying to rid the lake of common carp, an invasive species whose feeding habits can muddy the water and lead to the decline of the sport fish population, Jackson said.
It’s also targeting gizzard shad and the invasive white perch, whose quick-growing populations can dominate a lake at the expense of other species.
The commission has used the pesticide in hundreds of Nebraska lakes, Jackson said, including Conestoga, just west of Lincoln. It had the same problems — carp, white perch and gizzard shad — but now it has what he called an outstanding fishery.
Still, it’s not always a popular move, and the commission takes criticism when it kills off an entire lake’s population.
“Every time,” he said. “It’s just one of those things. It’s like going to the dentist’s office. If you have a cavity, there’s only one way to fix it, that we know. It requires a little pain up front.”
So Wednesday, Game and Parks crews in boats and on shore will spray 600 to 700 gallons of rotenone into Wagon Train’s waters. The chemical is safe for other creatures in the lake — turtles, beaver and muskrat — but fast-acting on fish.
Most should be dead within an hour or two.
And many will float to the surface and wash to shore, but it’s not practical for the state to pick them up and dispose of them, he said. “We’re talking thousands of tons of fish.”
They decompose quickly, he said. But not pleasantly.
The state is closing Wagon Train’s beach and day-use areas — but not the campground on the lake’s east side — during the pesticide application, and it’s not clear when they’ll reopen.
Or when they’ll be inviting.
“It'll smell pretty bad there for a while. So that may not be where you want to be when it’s 94 (degrees) out and you've got dead fish. It’s probably not a great place to bring your family to go to the beach.”
The rotenone stays in the system for only about a week, allowing the commission to begin restocking the lake with hundreds of thousands of fish.
It will start with bass and bluegill and later add channel cats, saugeye and muskellunge. It typically stocks 1,000 bluegill per acre, which means 300,000 fingerlings for the 300-acre lake. And it plans to add about 30,000 bass.
But most will be small. The bluegill, for instance, won’t measure much longer than an inch. The bass might max out at 2. The catfish will be larger, 8 to 10 inches.
So it could be two to three years before Wagon Train starts producing any keepers, Jackson said.
“It's usually not in your best interest to fish the year after we get done doing these projects. The fishing just isn’t going to be as good as it can be a couple of years down the road.”
30 must-see Nebraska state and national park gems
Pine Ridge National Recreation Area
The Pine Ridge National Recreation Area near Chadron offers 6,600 acres of land filled with wildlife and opportunities for outdoor activity.
Snake River Falls
Southwest of Valentine, Snake River Falls presents a powerful and beautiful display of nature.
Ashfall Fossil Beds
Blanketed with mystery and volcanic ash, Ashfall Fossil Beds State Historical Park near Royal depicts the life and death of creatures nearly 12 million years ago.
Johnson Lake
Johnson Lake State Recreation Area near Lexington is a favorite fishing spot for its abundance of walleye.
Nebraska National Forest
The Bessey Ranger District of the hand-planted Nebraska National Forest stretches along the Sandhills Journey Scenic Byway.
Lake McConaughy
The Nebraska sunset over Lake McConaughy paints the sky in a wash of color.
Wildcat Hills State Recreation Area
Bighorn sheep are a common sight for visitors at the Wildcat Hills State Recreation Area near Gering.
Calamus Reservoir
Go for a swim, cast a line, or simply float your boat in the refreshing waters of Calamus Reservoir near Burwell in the Sandhills.
Agate Fossil Beds
At Agate Fossil Beds National Monument south of Harrison, you can view ancient mammals that once roamed the plains.
Box Butte State Recreation Area
The Box Butte Reservoir State Recreation Area north of Hemingford offers camping and water-related recreation.
Bridgeport State Recreation Area
There’s plenty of fun to be had on the waters of the sandpit lakes at Bridgeport State Recreation Area.
Buttes
Buttes tower above the yawning prairie along the western edge of the Nebraska Panhandle.
Cub Creek Recreation Area
Travel west of Springview in extreme north-central Nebraska and you'll find the Cub Creek Recreation Area, a haven for hunters, fishermen and boaters.
Chadron State Park
Hikers will enjoy a picturesque setting and an invigorating climb at Chadron State Park.
Gavins Point Dam
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Courthouse and Jail Rocks
Courthouse and Jail Rocks break the expansive Nebraska prairie near Bridgeport.
Jeffrey Lake
Part of the Jeffrey Canyon State Wildlife Management Area, Jeffrey Lake near Brady is a fisherman’s haven.
Toadstool Geologic Park
The peculiar lunarlike landscape of Toadstool Geologic Park near Crawford is the perfect backdrop for hikers and bikers.
Fort Niobrara National Wildlife Refuge
Fort Niobrara National Wildlife Refuge is a popular place to begin a canoeing expedition down the scenic Niobrara River.
Fort Robinson
Nestled between Saddle Rock and Lover's Leap buttes, Legend Buttes Golf Course near Crawford promises an enjoyable golf experience with fantastic views.
Louisville State Recreation Area
Towering trees shade the camping and recreational spaces at the Louisville Lakes State Recreation Area in eastern Nebraska.
Ponca State Park
Visitors to Ponca State Park are greeted by the Towers of Time, an impressive artistic interpretation of the history of nature and people in the area.
Platte River State Park
A moderate hike through the Platte River State Park leads visitors to the picturesque Stone Creek Falls.
Scotts Bluff National Monument
Once used as a landmark for Native Americans, fur trappers and pioneers, Scotts Bluff National Monument near Gering rises high above the horizon.
Indian Cave State Park
Indian Cave State Park, located north of Shubert, is known for its numerous hiking and biking trails with spectacular views of the Missouri River.
Niobrara National Scenic River
From early spring to late fall, the Niobrara National Scenic River is a top destination for canoeing, tubing and kayaking.
Wildcat Hills State Recreation Area
The rugged and scenic Wildcat Hills State Recreation Area draws hikers, campers and shutterbugs to the Gering area year after year.
Lewis and Clark Lake State Recreation Area
Located near Crofton, Lewis and Clark Lake State Recreation Area is a popular spot for all kinds of water recreation.
Halsey Lookout Tower
Originally built in the 1940s, the Scott Lookout Tower at Nebraska National Forest near Halsey is Nebraska’s only working fire lookout tower.
Smith Falls State Park
Smith Falls State Park near Valentine is home to Nebraska’s highest waterfall as well as diverse ecological systems that exist nowhere else in North America.
Reach the writer at 402-473-7254 or psalter@journalstar.com.
On Twitter @LJSPeterSalter
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