Download this year’s report: Most Endangered Rivers of 2015 (PDF)
|1.Colorado River in the Grand Canyon
A proposed industrial-scale construction project threaten the Grand Canyon’s wild nature and unique experience that belongs to every American.
|2. Columbia River
Outdated dam operations are putting healthy runs of salmon and other fisheries at risk.
|3. Holston River
Toxic chemicals from the Holston Army Ammunition Plant are putting local water supplies and the community’s health at risk.
|4. Smith River
A proposed copper mine could harm a nationally-renowned wild trout fishery.
|5. Edisto River
Excessive agricultural water withdrawals are putting water supply, water quality, fish and wildlife habitat, and recreation at risk.
|6. Chuitna River
A proposed mine threatens to destroy 30 square miles of irreplaceable wild river habitat.
|7. Rogue-Smith Rivers
Strip mining, road construction, and metal processing would devastate this fragile, precious wild area.
|8. St Louis River
Mining could destroy or degrade thousands of square miles of pristine forested wetlands and streams.
|9. Harpeth River
Sewage pollution and water withdrawals are putting clean water, fish and wildlife, and recreation at risk.
|10. Pearl River
A new dam threatens to ruin healthy wetlands and wildlife habitat