‘This land is all we have left’: Tribes on edge over giant dam proposal near Grand Canyon
If built, it would … pump groundwater into four new reservoirs … Tribal members and environmentalists say the project would flood several miles of canyons sacred to the Navajo; risk damaging cultural sites for several tribes; draw vast amounts of critical groundwater; potentially harm habitats for plants and animals, including some endangered species; and risk adverse effects for waterways leading into the Grand Canyon.