The U.S. Army Corps of Engineers’ Walla Walla District invites public comments on a Draft Finding of No Significant Impact (FONSI) and Environmental Assessment (EA) for a Rapid Response Action Plan (Plan) for the eradication of potential zebra (Dresissena polymorhpa) and quagga mussel (D. bugensis), infestations in the Columbia River Basin (CRB), as well as across infested waterbodies in the states of Washington, Oregon, Idaho, and Montana. Comments will be accepted July 19, 2019 through Aug. 19, 2019.