Between January and October 1862, "Carondelet" operated almost constantly on river patrol and in the capture of Fort Henry and Fort Donelson in February; the passing of Island No. 10 and the attack on and spiking of the shore batteries below New Madrid, Missouri, in April; the lengthy series of operations against Plum Point Bend, Fort Pillow, and Memphis, Tennessee, from April through June, and the engagement with on 15 July, during which "Carondelet" was heavily damaged and suffered 35 casualties.