The Idaho State Department of Agriculture announced today that they are implementing a treatment plan for quagga mussels, that will begin Tuesday. The treatment is aiming to eradicate a small portion of the species within the Snake River. ISDA release eradication plan for Snake River Quagga MusselsRELATED | ISDA: Quagga mussels detected in the Snake RiverQuagga mussels were detected late in September in the Snake River, Shoshone Falls pool, and Pillar Falls. A copper treatment was applied in December by Idaho Fish and Game that did cause high mortality in some fish species. The treatment is a 10-day operation starting at the downriver of Hansen Bridge to Centennial Waterfront Park. The treatment is the same product that was used in 2023, a copper-based product called, Natrix. The ISDA is planning on continuing the treatment for a second time in November to target more quagga mussels still in the water.