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Water

Drought-caused Colorado River fishing restrictions lifted, but it may be a temporary reprieve

Wildfire smoke has help deflect solar radiation and kept the river relatively cool. But aquatic biologists warn hot weather, low water levels and sediment in the river could combine to starve trout of oxygen and future bans.

Water

How water rights work in Colorado — and why severe drought makes them work differently

Parched residents’ questions answered, from how much water the Front Range takes from the Western Slope, to how a power dam near Glenwood Springs saves Colorado River fishies

Climate

Three Colorado River Basin reservoirs will be partially drained to keep Lake Powell producing hydropower

Drought made an expected 2.5 million acre-feet of water disappear before it ever reached the key reservoir in the Colorado River Compact, forcing federal officials to siphon from Blue Mesa Reservoir and other big pools to protect the electric grid.

Environment

The West is baking, burning and drying out. These numbers explain why and how.

"It is a story of cascading impacts," climate scientist John Abatzoglou said, as the West weathers "an epically dry year followed by incredible heat the last two months and now we have fires."

Climate

Denver Water sues Boulder County, says slow walk of Gross Reservoir decisions threaten federal permits

The fight over raising the height of Gross Dam has gone on for years. Denver Water says Boulder County now is using stalling tactics to stop the $464 million project.

Water

Watering restrictions work. But only 53% of Colorado cities have them.

Outdoor use accounts for as much as half of all domestic water consumption and cities that tightened the spigot have significantly reduced per-person use. But permanent watering rules are just one conservation tool.

Water

The Colorado River is drying up faster than federal officials can keep track. Mandatory water cuts are looming.

Plummeting reservoir levels at Mead and Powell solidify Arizona cutbacks next year and near-future threats to all the Compact states, from Colorado to California

Climate

Bird count examines what happens when high-country Colorado irrigators use less water

As the state mulls paying irrigators to leave water in the Colorado River instead of flooding fields, Audubon Rockies is using bird counts in the northwest part of the state to gauge the implications of intentionally drying the landscape.

Environment

The Yampa River is overdrawn and running out of water. And it’s hardly the only one.

Earlier this year, officials called the river “over-appropriated.” Last week, Gov. Jared Polis declared 21 counties are in a drought emergency.

Environment

Drier springs bring hotter summers in the withering Southwest

New research reveals a positive feedback loop with negative consequences linked to lower springtime humidity across an already parched landscape

Climate

Drought forces Grand Junction to dip into Colorado River for drinking water for the first time in more than 50 years

Ute Water's 90,000 Western Slope customers will have river water added to flows from Grand Mesa as a hedge against heat and drought drying up reservoirs

Water

Fort Collins planners, worried about Poudre River impacts, reject Northern Water’s plan for 3-mile pipeline through the city

Rejection of the NISP pipeline is yet another skirmish in a series of water and pipeline battles playing out in the northern Front Range.

Environment

Wildlife officials ask anglers not to fish the Dolores River for the first time ever as rain fails to dent Western Slope drought

Fish and wildlife leaders say they have their eye on potential closures of the Animas and San Juan rivers as well.

Outdoors

Colorado refuses to ease rules for how much pollution gets discharged into rivers and streams

Members of the Water Quality Control Commission said they were shocked by the blowback to a proposed change that would have made it easier for industry, utilities to send more pollution downstream.

Environment

Northwest Colorado under “extremely critical” fire warning for first time in 15 years as Western Slope drought worsens

About 45% of Colorado, all west of the Continental Divide, now in some state of drought

Environment

Environmental groups appeal court decision that would pave way for Denver Water to raise Gross Reservoir Dam

River and water defenders say judge erred in blocking their challenge to a massive expansion of Boulder County dam and lake

Environment

Controversial Chimney Hollow Dam project near Loveland moving forward after $15 million settlement

Northern Water will begin construction of the 25-story Chimney Hollow dam this summer.

Environment