Last mentioned: Feb 27, 2026
Judicial Order
Federal judge mandates immediate operational changes to dam spill levels for the upcoming migration season.
Court Ruling
Federal judge orders immediate operational changes to dam spill and flow regimes.
Judicial Mandate
Judge orders specific operational changes to dam flows to prioritize fish survival.
Judicial Order
A federal judge mandates immediate operational changes and increased spill at Columbia and Snake dams.
Restoration Funding
Biden administration announces over $1B for regional salmon restoration.
Six Sovereigns Agreement
The Biden administration and regional stakeholders reach a $1B agreement to stay litigation and fund recovery.
Federal Commitment
The Biden administration announces a $1 billion stay in litigation to fund salmon restoration.
Stay of Litigation
Parties agreed to a temporary stay to negotiate long-term solutions and operational changes.
Litigation Stay
Court proceedings paused to allow for federal-tribal negotiations.
Simon Ruling
Judge Michael Simon rejects the federal government's salmon recovery plan as inadequate.
BiOp Invalidation
A federal judge rejects the government's plan for dam operations for the fifth time.
Major Court Ruling
Judge Michael Simon rejects the federal government's salmon recovery plan as inadequate.
First ESA Listing
Snake River sockeye salmon are officially listed as endangered, sparking decades of legal battles.
First ESA Listing
Snake River sockeye salmon are officially listed as endangered.
First ESA Listing
Snake River sockeye salmon are listed as endangered, triggering decades of litigation.
ESA Listings
Initial listings of salmon and steelhead under the Endangered Species Act.
A federal judge has issued a landmark ruling requiring immediate operational changes to hydropower dams across the Columbia and Snake River basins to protect endangered salmon. The mandate prioritizes fish passage over maximum electricity generation, intensifying the long-standing conflict between carbon-free energy production and ecological preservation in the Pacific Northwest.
A federal judge has issued a significant ruling requiring immediate operational adjustments to hydropower dams on the Columbia and Snake Rivers to mitigate impacts on endangered salmon. The decision marks a pivotal moment in the decades-long legal conflict between environmental conservation and regional energy infrastructure.
A federal judge has ordered immediate operational changes to dams on the Columbia and Snake rivers to mitigate impacts on endangered salmon populations. The ruling threatens to disrupt barge navigation and hydroelectric capacity, creating significant logistical hurdles for Pacific Northwest agricultural exporters.
A federal judge has ordered significant operational changes to dams along the Columbia and Snake rivers to protect endangered salmon populations. The ruling forces a recalibration of hydroelectric output and water management, intensifying the legal pressure on federal agencies to comply with the Endangered Species Act.