List of 20 Most Endangered Rivers
The conservation group American Rivers released its annual list of the 20 most endangered rivers in North America. Here is the list of rivers, the states and other localities in which they are found and the threats they face:
1. Hanford Reach of the Columbia River in Washington; agricultural development, nuclear waste contamination.
2. Missouri River in Montana, North Dakota, Nebraska, Iowa, Kansas and Missouri; dams, channelization.
3. Pocomoke River in Maryland; factory poultry farms.
4. Kern River in California; small hydropower dams.
5. Blackfoot River in Montana; gold mine.
6. Colorado River Delta in Baja California, Mexico; overuse of water.
7. Chattahoochee River in Georgia, Alabama and Florida; development, polluted runoff, sewage overflows.
8. Lower Snake River in Washington; dams.
9. Apple River in Wisconsin and Illinois; factory hog farms.
10. Pinto Creek in Arizona; copper mine.
11. Wolf River in Wisconsin; zinc, copper sulfide mine.
12. Potomac River in West Virginia, Virginia, Maryland, District of Columbia and Pennsylvania; factory poultry farms and cattle feedlots, development
13. Rogue-Illinois river system (including Elk Creek and Rough & Ready Creek) in Oregon; dams, nickel laterite mine.
14. Taku River in Alaska and British Columbia; copper, gold mine.
15. Crooked Creek in Arkansas; in-stream gravel mining.
16. Passaic River in New Jersey; contaminated sediments.
17. Mattaponi River in Virginia; dam and reservoir.
18. Walla Walla River in Oregon and Washington; agricultural pollution, low flows, channelization.
19. Uinta River in Utah; dam.
20. Kansas River in Kansas; agricultural and municipal pollution.