Reservoirs

An aerial photo of Strontia Springs Reservoir. Most of the Reservoir is covered In ice. A stone wall blocks the water from flowing downstream.

Instead of water, sediment from droughts and wildfire is choking U.S. dams

Sediment has filled 8% of dam storage capacity in the United States. Because of climate change, researchers expect it will only accumulate quicker.

September 10, 2026 - LA Times

Owens Owens River in Bishop, California with water spilling in from Pleasant Valley Dam.

California is Out of Drought for First Time in 25 Years

The state’s reservoirs are reaching capacity for the first time in decades, but more rain could prompt flooding in downstream communities.

January 14, 2026 - USA Today

Shasta Dam with deep turquoise water in reservoir behind it in northern California.

California’s Largest Reservoir Rose to 77% Capacity After Recent Rains

Almost all of the state’s reservoirs are nearing capacity after significant storms passed across the state.

January 7, 2026 - The Mercury News

Aerial view of blue Canyon Lake reservoir beach in Texas on sunny day.

Texas Reservoirs Reach Dangerous Lows

In some parts of the state, water officials have cut off releases that maintain estuaries and other key coastal habitats.

February 5, 2024 - Wired

View of Glen Canyon Dam with vertical red stone cliffs on either side, Colorado River at bottom, and dusk sky in background.

The Life and Death of American Dams

Many of the nation’s largest dam projects are reaching the end of their useful lives, helped along by nature.

November 1, 2023 - Governing

Flooded park in Pakley, California during late 2022 atmospheric river storm

California’s Reservoirs are Filling Up, but For How Long?

Recent storms are bringing plenty of water to parched parts of California, but scientists warn the relief won’t be a long-term solution to longer, drier periods.

January 15, 2023 - The New York Times

Dried-up marina at Lake Mead

Report Sounds the Alarm for Western Reservoirs

Without more immediate, long-term reductions in water demand, Lake Mead and Lake Powell, the West’s most important reservoirs, face imminent collapse.

July 27, 2022 - Salt Lake Tribune

Shasta Lake

Californians Struggle To Cut Water Use

The state is slowly starting to curb water consumption, but progress has been ‘disappointingly slow’ as water supplies across the West diminish to historic lows.

July 12, 2022 - Los Angeles Times

Water SUpply

States Agree to Drastic Water Cuts From Colorado River

In the throes of a historic megadrought, three Southwestern states will make deep reductions in their water usage to preserve diminishing resources.

December 28, 2021 - Los Angeles Times

Los Vaqueros Reservoir, Brentwood, California

Bay Area Looks To Expand Reservoir As Drought Deepens

The expansion of the Los Vaqueros Reservoir in Brentwood would increase storage capacity and create a more reliable water supply for Northern California communities.

November 24, 2021 - Mercury News

drinking water fountain

In Need of Water to Grow, North Texas Looks to Controversial Reservoir

The Dallas-Fort Worth region is seeking to boost its water supply by building a new reservoir that opponents claim would destroy thousands of farms, homes, and jobs.

November 12, 2021 - KERA News

Water SUpply

Utah Wants to Build Water Pipeline Amid Historic Shortages

As water supplies around the West dwindle, one Utah county is moving ahead with plans for a new Colorado River pipeline.

September 2, 2021 - E&E News

Friant Dam

California Reservoir Project at Risk of Forfeiting $171 Million in State Funding

The Temperance Flat Reservoir Project might be falling too far behind schedule to maintain a huge chunk of state funding, according to reports.

November 5, 2020 - Maven's Notebook

Hoover Dam

The Colorado River in an 'Era of Limits'

New agreements and the first cutbacks in water usage signal the start of concerted efforts keep the river and reservoirs from dropping to dangerous levels.

August 26, 2019 - Arizona Republic

Water Storage

Surface Storage Skepticism

California has used all its good dam sites, according to this column. And dams are unaffordable.

March 8, 2019 - The Mercury News

Water Storage

California Awards $2.7 Billion to Water Storage Facilities

The California Water Commission made an historic commitment to new water storage projects. Many of the largest projects planned in the state will require additional funding before construction can commence.

July 27, 2018 - San Francisco Chronicle

Northern California

A New Wave of Reservoir Construction Set to Begin in California

Two massive water storage projects have been awarded $2.6 billion in funding from Proposition 1.

April 25, 2018 - The Sacramento Bee

Passaic River Hydropower

Hydropower Isn't Totally Carbon-Free

Hydroelectric generation itself doesn’t produce greenhouse gases, but it does rely on the creation of reservoirs that release methane into the air.

October 7, 2016 - Crosscut

Lake Powell

Is Glen Canyon Dam Obsolete?

As climate changes in the Rockies and the southwest, Lake Powell is gradually shrinking. The debate over Glen Canyon Dam is on again, and this time environmentalists aren't the only ones against it.

June 23, 2016 - Pacific Standard

Portland Washington Park Resevoir

Portland's Plan to Move its Open Air Reservoirs Underground

Though the plan to move water storage capacity for the Washington Park reservoirs underground is getting more expensive, the project must be completed to comply with federal regulations.

May 26, 2016 - The Oregonian

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