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A collaborative resource for news, perspective and analysis for issues eddying Colorado River management.

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Colorado River
With most forecasts pointing toward another below-average winter of precipitation in the Rocky Mountains in 2022/2023 and with total basin-wide reservoir storage now less than 20 maf (less than 17 months of supply at the rate water has been consumed in th
It's Time to Further Reduce Glen Canyon Dam Releases

It's Time to Further Reduce Glen Canyon Dam Releases

With most forecasts pointing toward another below-average winter of precipitation in the Rocky Mountains in 2022/2023 and with total basin-wide reservoir storage now less than 20 maf (less than 17 months of supply at the rate water has been consumed in th...

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Colorado River
From the Fleck Blog: As we begin discussing what replaces the soon-to-expire Colorado River operating guidelines, we argue that there are important lessons to be learned from a careful examination of the way the current guidelines have failed us.
Learning from Failure: Next Steps on the Colorado River

Learning from Failure: Next Steps on the Colorado River

From the Fleck Blog: As we begin discussing what replaces the soon-to-expire Colorado River operating guidelines, we argue that there are important lessons to be learned from a careful examination of the way the current guidelines have failed us.

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Colorado River
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It's no wonder that the map from Reclamation’s landmark report, Colorado River Basin Water Supply and Demand Study, is often used --- it is clear, easy to read, and depicts many of the key features of the infrastructure by which the Colorado River is mana
Maps Matter: A few suggested changes to the Colorado River basin base map

Maps Matter: A few suggested changes to the Colorado River basin base map

It's no wonder that the map from Reclamation’s landmark report, Colorado River Basin Water Supply and Demand Study, is often used --- it is clear, easy to read, and depicts many of the key features of the infrastructure by which the Colorado River is mana...

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White Paper
Colorado River
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This White Paper is designed to encourage wide-ranging and innovative thinking about how to sustainably manage the water supply, while simultaneously encouraging the negotiators of new agreements to consider their effects on ecosystems.
White Paper 6: Alternative Management Paradigms For The Future Of The Colorado And Green Rivers | Colorado River Studies

White Paper 6: Alternative Management Paradigms For The Future Of The Colorado And Green Rivers

This White Paper is designed to encourage wide-ranging and innovative thinking about how to sustainably manage the water supply, while simultaneously encouraging the negotiators of new agreements to consider their effects on ecosystems.

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Colorado River
Water conservation trickles down on two fronts—ecological and political issues surrounding the flow in the river, and what happens when water comes out at the end of the pipelines.
Partnership For Water Conservation And Mitigation | Colorado River Studies

Partnership For Water Conservation And Mitigation

Water conservation trickles down on two fronts—ecological and political issues surrounding the flow in the river, and what happens when water comes out at the end of the pipelines.

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Colorado River
Although one might assume that warming river temperatures downstream from dams might be good for native fishes, the reality is more complex.
The Complex Task Of Predicting How Temperature Changes Will Affect Native And Non-Native Fishes | Colorado River Studies

The Complex Task Of Predicting How Temperature Changes Will Affect Native And Non-Native Fishes

Although one might assume that warming river temperatures downstream from dams might be good for native fishes, the reality is more complex.

Colorado River
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White Paper
Effective water-supply negotiation and river management are best served if Colorado River stakeholders are mindful of the precision and accuracy of the many components of the hydrologic cycle that affect the water supply.
White Paper 5: Stream Flow And Losses Of The Colorado River In The Southern Colorado Plateau | Colorado River Studies

White Paper 5: Stream Flow And Losses Of The Colorado River In The Southern Colorado Plateau

Effective water-supply negotiation and river management are best served if Colorado River stakeholders are mindful of the precision and accuracy of the many components of the hydrologic cycle that affect the water supply.

Colorado River
White Paper
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Long-range planning of the water supply provided by the Colorado River requires realistic assessments of the impact of a continuation of the current drought that began in 2000, of extreme future droughts, and the long-term and decline in watershed runoff.
White Paper 4: The Future Hydrology Of The Colorado River Basin | Colorado River Studies

White Paper 4: The Future Hydrology Of The Colorado River Basin

Long-range planning of the water supply provided by the Colorado River requires realistic assessments of the impact of a continuation of the current drought that began in 2000, of extreme future droughts, and the long-term and decline in watershed runoff....

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Colorado River
The Upper Colorado River Basin is now caught in a vise. We have fixed commitments under the 1922 compact and a declining supply of water above Lee Ferry. Yet many are still operating under the illusion that the Upper Basin has “unused” entitlement.
The Lake Powell Pipeline: Asking The Bigger Questions | Colorado River Studies

The Lake Powell Pipeline: Asking The Bigger Questions

The Upper Colorado River Basin is now caught in a vise. We have fixed commitments under the 1922 compact and a declining supply of water above Lee Ferry. Yet many are still operating under the illusion that the Upper Basin has “unused” entitlement.

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Colorado River
River channels change in response to natural and human-caused fluctuations in streamflow and sediment supply. Predicting how the channel might change is an important and challenging part of managing a river system.
New Research: A Better Way To Measure Uncertainty With Aerial Photos | Colorado River Studies

New Research: A Better Way To Measure Uncertainty With Aerial Photos

River channels change in response to natural and human-caused fluctuations in streamflow and sediment supply. Predicting how the channel might change is an important and challenging part of managing a river system.

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Colorado River
An essential question that drives discussion is, “How much water do we need?” The human body must have water to survive, and water is needed to grow crops, but the amount of water used by different societies varies greatly.
Effective Renegotiation Of The Guidelines For Management Of The Colorado River Water Supply Necessitates A Wide Range Of Scenarios Of Future Water Use | Colorado River Studies

Effective Renegotiation Of The Guidelines For Management Of The Colorado River Water Supply Necessitates A Wide Range Of Scenarios Of Future Water Use

An essential question that drives discussion is, “How much water do we need?” The human body must have water to survive, and water is needed to grow crops, but the amount of water used by different societies varies greatly.

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Colorado River
This week’s show kicks off National Parks Traveler's coverage of the Colorado River and how its health, or lack of health, impacts Canyonlands National Park and Glen Canyon National Recreation Area in Utah.
National Parks Traveler: Special Report On The Colorado River | Colorado River Studies

National Parks Traveler: Special Report On The Colorado River

This week’s show kicks off National Parks Traveler's coverage of the Colorado River and how its health, or lack of health, impacts Canyonlands National Park and Glen Canyon National Recreation Area in Utah.

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Colorado River
The Colorado River Basin has experienced incredibly large flood events in the past. Present-day river deposits can be used to understand the size and timing of floods that have happened within the region.
Science Moab: A Look At Paleo-Flood Hydrology | Colorado River Studies

Science Moab: A Look At Paleo-Flood Hydrology

The Colorado River Basin has experienced incredibly large flood events in the past. Present-day river deposits can be used to understand the size and timing of floods that have happened within the region.

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Colorado River
Future consumptive water use is difficult to predict because underlying factors that influence consumptive use—future population growth, irrigation technology and practices, climate, agricultural commodity prices and other factors.
Scenarios Consistently Overestimate Consumptive Water Use In The Upper Colorado River Basin | Colorado River Studies

Scenarios Consistently Overestimate Consumptive Water Use In The Upper Colorado River Basin

Future consumptive water use is difficult to predict because underlying factors that influence consumptive use—future population growth, irrigation technology and practices, climate, agricultural commodity prices and other factors.

White Paper
Colorado River
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A new white paper is the first of a series of papers to be produced by the Future of the Colorado River Project that explore alternative management strategies for the Colorado River that might provide benefit to water-supply users and to river ecosystems.
White Paper 2: Water Resource Modeling Of The Colorado River: Present And Future Strategies | Colorado River Studies

White Paper 2: Water Resource Modeling Of The Colorado River: Present And Future Strategies

A new white paper is the first of a series of papers to be produced by the Future of the Colorado River Project that explore alternative management strategies for the Colorado River that might provide benefit to water-supply users and to river ecosystems....