America's Ten Most Endangered Rivers, 2007

Updated April 12, 2022 | Infoplease Staff

Each year the organization American Rivers analyzes the condition of the nation's rivers to determine which are the most “endangered.” Threats to these rivers include dams and channelizations that are harmful to fish or wildlife populations; depletion due to the rivers' use as a water supply for human populations; and coal mining operations that fill streams with coal and dirt. For more information, refer to the American Rivers website:

Rank River State(s)
1. Santa Fe River New Mexico
2. San Mateo Creek California
3. Iowa River Iowa
4. Upper Delaware River New York
5. White Salmon River Washington
6. Neches River Texas
7. Kinnickinnic River Wisconsin
8. Neuse River North Carolina
9. Lee Creek Arkansas, Oklahoma
10. Chuitna River Alaska

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Environment Quiz Environment America's Ten Most Endangered Rivers, 2006
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