Idaho

Case: Idaho Conservation League, Idaho Rivers United, Save the South Fork Salmon, and Earthworks v. Idaho Department of Environmental Quality

February 27, 2026 — Representing Idaho Conservation League, Idaho Rivers United, Earthworks, and Save the South Fork Salmon, Advocates for the West along with co-counsel at the Western Environmental Law Center filed a petition for review with the Idaho Department of Environmental Quality (DEQ) challenging a permit the agency issued early this year to Perpetua […]

Case: Center for Biological Diversity, Gallatin Wildlife Association, Great Old Broads for Wilderness, Rocky Mountain Wild, Sierra Club, Western Watersheds Project, and WildEarth Guardians vs. Bureau of Land Management

March 2, 2026 — Advocates for the West and our conservation partners sued the Bureau of Land Management to challenge its final plans governing greater sage-grouse management across 71 million acres of federal public lands in nine Western states. The lawsuit covers the dwindling species’ habitat in Montana, Idaho, Colorado, North Dakota, South Dakota, Nevada, […]

Case: The Wilderness Society v. U.S. Department of the Interior, U.S. Bureau of Land Management, and U.S. Department of Housing and Urban Development

January 6, 2026 — Representing The Wilderness Society, Advocates for the West filed a federal lawsuit seeking to compel the U.S. Department of the Interior (DOI), the Bureau of Land Management (BLM), and the Department of Housing and Urban Development (HUD) to release records related to a joint federal initiative targeting the sale of public lands […]

Case: N/A

December 23, 2025 — Representing Idaho Conservation League, Advocates for the West sent a 60-day Notice of Intent to Sue over Clean Water Act (CWA) violations to Tricore Investments, LLC and company associates for unlawfully excavating a channel in the Coolin Wetlands on the south shore of Priest Lake in northern Idaho. The notice letter stems […]

Case: Center for Biological Diversity and Idaho Conservation League v. U.S. Fish and Wildlife Service; U.S. Army Corps of Engineers

December 23, 2025 — In response to our litigation, the U.S. Army Corps of Engineers ordered the Idaho Club to stop construction on a commercial marina and lakeside housing development at the mouth of Trestle Creek on Lake Pend Oreille. The Corps’ permit authorized marina construction only after completion of the planned reroute of Trestle […]

Case: Idaho Conservation League and Golden Eagle Audubon Society v. U.S. Forest Service

February 20, 2026 — Advocates for the West filed our motion for summary judgment, opening brief in support of our motion for summary judgment, statement of facts, and accompanying declarations in this case. June 25, 2025 – Advocates for the West and Idaho conservation groups filed suit against the U.S. Forest Service for its approval of a […]

Case: Save the South Fork Salmon, Idaho Conservation League, Idaho Rivers United, Earthworks, Center for Biological Diversity, and American Rivers v. U.S. Forest Service, et al.

August 25, 2026 — Advocates for the West and our partners filed an appeal seeking to reverse federal agencies’ unlawful approval of the Stibnite Gold Project and halt Perpetua Resources’ initial mine construction. The proposed open-pit cyanide leach gold mine would jeopardize public health and clean water, harm threatened species and permanently scar thousands of […]

Case: States of Utah and Wyoming v. Deb Haaland, Southern Utah Wilderness Alliance, Conservation Lands Foundation, and The Wilderness Society

October 1, 2024 — Advocates for the West and our partners at Conservation Lands Foundation, The Wilderness Society, and Southern Utah Wilderness Alliance filed a motion to intervene to defend BLM’s Public Lands Rule against yet another lawsuit brought this past summer by the American Farm Bureau and other industry trade associations representing the oil […]

Case: Idaho Conservation League, Idaho Rivers United, Save the South Fork Salmon, and Earthworks v. Idaho Department of Environmental Quality

August 7, 2026 — Advocates for the West filed our opening brief in this matter challenging a Clean Water Act Section 401 water quality certification issued by the Idaho Department of Environmental Quality. In May 2026, we filed an amended appeal of a water pollution permit issued under Section 401 of the federal Clean Water […]

Case: Oregon Natural Desert Association, Friends of the Nevada Wilderness, and Idaho Conservation League v. U.S. Department of the Air Force

February 4, 2026 — Advocates for the West filed our motion for summary judgment, challenging the U.S. Air Force’s July 2023 Record of Decision (ROD) and March 2023 Environmental Impact Statement (EIS) to expand and intensify its military trainings using F-15 fighter jets over 7.5 million acres in the Owyhee Canyonlands. Our brief argues that […]