Shasta River Confluence Bridge Construction

Environmental Compliance & Biological Opinions

Klamath Project NEPA/Environmental Compliance

2023 Biological Opinions

2019 Biological Opinions

Endangered Species Act Section 7 Consultation

2019/2020 Interim Operations Plan - Biological Opinions

An electronic version of both the U.S. Fish and Wildlife Service’s April 20, 2020, Biological Opinion on the Effects of the Proposed Interim Klamath Project Operations Plan, effective April 1, 2020, through September 30, 2022, on the Lost River Sucker and the Shortnose Sucker (TAILS # 08EKLA00-2020-F-0059) and the National Marine Fisheries Service’s April 13, 2020, letter stating the Bureau of Reclamation’s 2020 Interim Operations Plan is consistent with their analysis in the Endangered Species Act Section 7(a)(2) Biological Opinion, and Magnuson-Stevens Fishery Conservation and Management Act Essential Fish Habitat Response for Klamath Project Operations from April 1, 2019 through March 31, 2024, can be provided upon request. For more information, please contact Josh Easter ( or Mike Neuman (

2019 Final Environmental Assessment and Finding of No Significant Impact

2019 Final Biological Assessment




2013 Biological Opinion

Annual Monitoring Reports

Past Klamath Project Annual Operations Plan

Last Updated: 4/14/23