US Army Corps of Engineers
Hydrologic Engineering Center

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Sustainable Rivers

The Corps Environment

Projects restore floodplain ecosystems while reducing flood risk
Floodplains are extremely productive ecosystems that support high levels of biodiversity and provide valuable ecosystem services that directly benefit society. One high profile study concluded...
New technology improves river management
The U.S. Army Corps of Engineers and The Nature Conservancy have joined forces to develop the Hydrologic Engineering Center’s Regime Prescription Tool, software to help teams reach agreements on...
Joint project looks at
Texas watershed
A large portion of the central United States is still under drought conditions, which has forced many to protect and preserve the current sources of water and to seek future sources. The U.S. Army...
Joint team travels
to China
A Corps water manager for the Savannah River Basin recently joined a team from the Conservancy and traveled to China, where a series of dams on the Yangtze are planned. The Conservancy...
Corps and The Nature Conservancy develop joint training
The Nature Conservancy and the U.S. Army Corps of Engineers Hydrologic Engineering Center (HEC) are working together to develop training courses that emphasize connections between hydrology and...
Green River Lake and Dam interim plan benefits ecosystem
After four years of altered water management, scientists are finding that many mussel species have reproduced during the interim operations and are encouraged by this promise for added recovery.
Ecosystem flows defined for Bill Williams River
The Bill Williams River corridor contains the last remaining native woodland habitat of any size along the lower Colorado River drainage. Given the historic losses of this habitat and the limited ability to restore it, the Bill Williams...
River project brings together Corps, The Nature Conservancy
The U.S. Army Corps of Engineers and The Nature Conservancy are collaborating on a broad array of projects, including reservoir management, dam removal, floodplain and wetland restoration, and coastal zone work.

Water Resources IMPACT

Introduction: Environmental Flows
Allocating water for diverse and often competing traditional uses for water (e.g., industry, agriculture, urban, energy, etc.) is now even more complex due to the...
Water: One Resource,
Many Uses
This originally appeared in a collaborative effort issue of IMPACT with The Nature Conservancy’s Sustainable Waters Program to highlight the cutting-edge work and research the...
Incorporating Environmental Flows into Water Management
Environmental flows defined using the Savannah Process explicitly ignore all real or perceived constraints to their immediate implementation, including those that are...
Models and Software for
Supporting Ecologically...
As awareness leads to improved scientific understanding (and vice versa), more strategies linking water and ecosystem management will be identified, which will in turn become new...
Green River, Kentucky, Conservation Project
How can something exist and not exist at the same time, effect change yet remain almost invisible and virtually unknown? Such a situation would not appear to be a formula for...
Bill Williams River, Arizona:
Restoring Natural Variability...
A truism of managing natural systems is that Mother knows best. This is being applied to the management of Alamo Dam to return elements of the natural hydrograph to the Bill...
Savannah River, Georgia:
Science to Support Adaptive...
Rivers of the Southeastern United States traverse a wide coastal plain where they are characterized by broad floodplains and expansive estuaries. Because of ample rainfall and the flat...
Willamette River, Oregon:
Moving Toward Basin-Wide...
Over the last 50 years, river management has evolved from an emphasis on economic outputs to one that includes consideration of broader human values.