The Iowa Department of Natural Resources pumped the chemical rotenone into the Van Buren County lake last month in an attempt to kill the destructive shad. Mark Flammang told the Burlington Hawk ...

Iowa officials hope the 160-foot-long barrier will keep the large Asian and silver carp at bay until an electronic barrier is installed. Money is being raised for that device.

Common carp feed on the bottom of lakes, make the water murky and cause problems for other species of fish. “We’re going to try this one last time this fall,” Hawkins says.

Iowa spotted its first glimpse of invasive carp around the early 1990s and has been battling them since then, said Kim Bogenschutz, the state’s aquatic invasive species program coordinator.

The carp reproduce quickly and consume large quantities of food. Experts fear the carp could crowd out native species and create ecological problems for Iowa's chain of glacial lakes.

Repairs made to northwest Iowa lake’s carp barrier by Kay Henderson | Sep 22, 2023 State officials are repairing an electric fish barrier in Lost Island Lake, which is near Ruthven in northwest ...

MILFORD, Iowa—Minnesota is kicking in the final piece of financing for a $1 million electric barrier to keep Asian carp out of the Iowa Great Lakes and, subsequently, Minnesota’s lakes.… ...

MILFORD, Iowa (AP) — Minnesota has decided to help finance Iowa efforts to keep invasive carp out of the Iowa Great Lakes.