Eleventh Round Columbia River Treaty: Parties Discussed Ecosystem Priorities, Flood Control, Operations Flexibility

Canada and the United States met on December 9 to advance talks on the modernization of the Columbia River Treaty. During this round, the United States and Canada discussed ecosystem priorities, post-2024 flood risk management, and Canada’s desire for more operational flexibility.

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Prize Competition Launched To Improve Snowpack Water Forecast Techniques For U.S. West

The Bureau of Reclamation is launching a new prize competition for improved snowpack water forecast techniques throughout the West. Developing better techniques to determine the amount of water stored as snowpack provides water managers more accurate information to make better water management decisions.

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Drought: Flow Augmentation From Idaho For Salmon Tight This Year, Uncertainty Looms For 2022

Some 427,000 acre feet of water was available this year from the upper Snake River to augment flows for juvenile and adult salmon and steelhead migrating in the lower river.

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U.S., Canada To Hold Eleventh Round Of Columbia River Treaty Negotiations Next Week

The United States and Canada will hold the eleventh round of negotiations to modernize the Columbia River Treaty on December 9. The negotiators will meet virtually to advance talks about key issues such as flood risk management, hydroelectric power generation and ecosystems.

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Over 2 Million Juvenile Salmon Saved During Drought Now Being Released Into Cooler Klamath River; Bureau Announces Coho Grant Program

The California Department of Fish and Wildlife last month began releasing juvenile fall-run Chinook salmon into the Klamath River now that river conditions have improved with cooler temperatures and increased flows that give the young salmon their best chance at survival and reaching the Pacific Ocean.

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Studies Showing High Passage Of Juvenile Salmon Through Upper Columbia PUD Dams

More than 94 percent of migrating juvenile yearling chinook salmon pass upper-Columbia River publicly-owned dams safely, according to two studies by two of the dams’ owners.

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GUEST COLUMN: Use It Or Lose It? Water Markets, Leasing Offer New Ways To Increase Flows Without Losing Water Rights

Our rivers are a powerhouse for every living thing. But for how long? With high demand for water and most of Oregon experiencing drought amid a warming climate, the future of our rivers is threatened. This year, the Deschutes River experienced the lowest period of natural flow since irrigation districts began using Wickiup Reservoir to store water in 1949.

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NOAA: Highest Spill Levels Ever For Juvenile Salmonids Makes Smolt Detection Difficult In 2021, Imprecise Reach Survival Estimates

Environmental conditions and management actions in 2021 resulted in a year with low flow, warmer than average water temperatures and an extremely high percentage of spill for fish during the spring migration season, according to a recent NOAA Fisheries preliminary memorandum on juvenile salmon and steelhead survival through Columbia and Snake river dams.

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Northwest Mountains’ Snowpack Steadily Declining; Study Looks At Impacts On Water Resources With ‘Low-To-No-Snow’ Future

Mountain snowpacks around the world are on the decline, and if the planet continues to warm, climate models forecast that snowpacks could shrink dramatically and possibly even disappear altogether on certain mountains, including in the western United States, at some point in the next century.

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OSU Research First Documentation ‘Community Snow Observations’ (Citizen Scientists) Improve Snowpack Modeling

Data gathered by backcountry skiers, avalanche forecasters and other snow recreationists and professionals has the potential to greatly improve snowpack modeling, research by the Oregon State University College of Engineering indicates.

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Bureau Details Water Woes In California’s Central Valley: Reservoirs Down 52 Percent, Largest Source Of State’s Irrigation Water

As severe drought conditions continue, the Bureau of Reclamation’s Central Valley Project began the 2022 water year with 3.21 million acre-feet of water—one of the lowest starting points in recent years at 52 percent of a 15-year average.

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All Gamefish Limits Lifted At Eastern Oregon Reservoir Due To Drought, Low Water

Due to drought conditions and low water levels, the Oregon Department of Fish and Wildlife has lifted all size limits (minimum and maximum), daily limits for all species of fish and gear limits from Oct. 11 through Dec. 31, 2021, in the Malheur Reservoir.

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Understanding Gas Bubble Trauma On Juvenile Fish At Dams: Study Deep Dives Into Relationship Between GBT, Depth

A recent study has made a direct connection between the severity of gas bubble trauma in juvenile salmonids caused by total dissolved gas at dams and the pressure experienced in deeper water where the severity of GBT is less.

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USGS: Increased Pumping Of Groundwater During Drought Worsens Water Quality

Intensive pumping of aquifers during drought can speed up deterioration of groundwater quality, according to a new study by the U.S. Geological Survey. The results highlight clean drinking water supply vulnerabilities in California and other western states currently experiencing record drought conditions.

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Upper Missouri River Basin Study Identifies Strategies For Meeting Water Demands During Climate Change; Adjusting To Changing Runoff Patterns

The Bureau of Reclamation has released the Missouri River Headwaters Basin Study that provides options to meet the increased water demand and a change in the timing of the snowmelt runoff in the Missouri River Basin above Fort Peck Reservoir. The basin covers about 50,000 square miles and is the primary water source for 320,000 people and about 1.1 million acres of irrigated lands.

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Willamette River Reservoirs Far Below Average As Parties Move Forward On Court-Ordered Interim Measures To Address Listed Steelhead, Chinook

Federal storage dams in the Willamette River basin are at an average of just 37 percent of capacity, hit hard this year by drought. Overall, they should be at nearly twice that – 68 percent capacity. And there is little in the weather forecast that will change that over the next few weeks.

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Migrating Sockeye Seeking Cooler Refuge In Drano Lake, Some Fish Showing Large Open Sores From Hot Water

Yakama Nation Fisheries and the U.S. Fish and Wildlife Service have been working together to help some of the thousands of sockeye salmon in peril due to the abnormally warm water temperatures across the Columbia River Basin.

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Steelhead Passage Through Warm River Perilously Low, 20 Percent Of Average At Bonneville Dam; Groups Urge Action To Aid Fish

An informal coalition of fisheries-focused conservation groups is urging the fish and wildlife commissions in Oregon and Washington to step up to save summer steelhead in a year when their returns are at the lowest numbers since Bonneville Dam was built and in a year when water temperatures threaten their migration.

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CDFW, NOAA Fisheries Move Forward On ‘Voluntary Drought Initiative’ To Help Protect Salmon, Steelhead; Agreements With Landowners, Water Users

The California Department of Fish and Wildlife and the National Oceanic and Atmospheric Administration Fisheries announced this week a “Voluntary Drought Initiative” designed to protect populations of salmon, steelhead, and sturgeon from the effects of the current unprecedented drought.

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Bureau Of Reclamation Launches Drought Web Portal Offering Real-Time Information

“Severe and sustained droughts are part of life in the Western U.S., resulting in water shortages, affecting agriculture, municipalities, tribes and ecosystem functions,” says the Bureau of Reclamation in a new web portal providing real-time drought-related information and details of drought actions.

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UW Study Looks At Long-Term Future Of Western Wildfires Under Increased Temperatures, Drought; Fires Become ‘Self-Limiting’?

In recent years, wildfires on the West Coast have become larger and more damaging. A combination of almost a century of fire suppression and hotter and drier conditions has created a tinderbox ready to ignite, destroying homes and polluting the air over large areas.

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River Managers Bump Up Lower Granite Tailwater Temps A Bit To Save Cooler Dworshak Water For Coming Chinook, Steelhead

After proposing numerous measures aimed at cooling Lower Granite Dam tailwater temperature to aid salmon and steelhead passage, hydro and fisheries managers agreed this week to a measure that would actually heat the tailwater by as much as 1.5 degrees Fahrenheit for the next few weeks.

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Unprecedented Relocation: Drought, Poor Water Conditions Force CDFW To Move 1.1 Million Juvenile Salmon From Klamath River Hatchery

Due to drought and poor water conditions in the Klamath River, the California Department of Fish and Wildlife successfully relocated 1.1 million juvenile, fall-run Chinook salmon from its Iron Gate Fish Hatchery in Siskiyou County.

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With Hot, Dry Weather Since March, Columbia Basin Facing Reduced Water Supply, Low Flows; Washington Declares Statewide Drought Emergency

At the end of February, much of the Columbia River basin showed near to above normal water supply forecasts. But with dry weather taking hold in March, and staying there, the picture now is quite dire, with some areas facing the driest April-September water volume on record.

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Friday (July 9) Update: Oregon Proposes Six Changes Aiming At Cooling Lower Snake For Salmon; One Approved, More Discussion On Others

Oregon today proposed a suite of six modifications aimed at keeping lower Snake River water at Lower Granite dam cool for sockeye salmon, while also extending the availability of cold flow augmentation water from Idaho’s Dworshak Dam out through the end of August.

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