America's Most Endangered Rivers

America's Most Endangered Rivers is a list of threatened rivers in the United States compiled by the nonprofit group American Rivers. First published in 1984, the annual list spotlights ten threatened rivers–rivers that are facing environmental degradation due to existing or proposed development projects. The list is intended to build public awareness and spur action toward addressing specific environmental issues.

Most-listed rivers
A number of rivers have been listed on America's Most Endangered Rivers multiple times, either in whole or in part. This list includes items that have appeared three or more times.

2024 rivers
On April 16, 2024, American Rivers announced its ten most endangered rivers of 2023.

2023 rivers
On April 18, 2023, American Rivers announced its ten most endangered rivers of 2023.

2022 rivers
On April 19, 2022, American Rivers announced its ten most endangered rivers of 2022.

2021 rivers
On April 13, 2021, American Rivers announced its ten most endangered rivers of 2021.

2020 rivers
On April 14, 2020, American Rivers announced its ten most endangered rivers of 2020.

2019 rivers
On April 16, 2019, American Rivers announced its ten most endangered rivers of 2019.

2018 rivers
On April 11, 2018, American Rivers announced its ten most endangered rivers of 2018.

2017 rivers
On April 11, 2017, American Rivers announced its ten most endangered rivers of 2017.

2016 rivers
In April 2016, American Rivers announced its ten most endangered rivers of 2016.

2015 rivers
On April 7, 2015, American Rivers announced its ten most endangered rivers of 2015.

2014 rivers
On April 9, 2014, American Rivers announced its ten most endangered rivers of 2014.

2013 rivers
In April 2013, American Rivers announced its ten most endangered rivers of 2013.

2012 rivers
In May 2012, American Rivers announced its ten most endangered rivers of 2012.

2011 rivers
In May 2011, American Rivers announced its ten most endangered rivers of 2011.

2010 rivers
On June 2, 2010, American Rivers announced its ten most endangered rivers of 2010.

2009 rivers
On April 7, 2009, American Rivers announced its ten most endangered rivers of 2009.

2008 rivers
In May 2008, American Rivers announced its ten most endangered rivers of 2008.

2007 rivers
In April 2007, American Rivers announced its ten most endangered rivers of 2007.

2006 rivers
In April 2006, American Rivers announced its ten most endangered rivers of 2006.

2005 rivers
In April 2005, American Rivers announced its ten most endangered rivers of 2005.

2004 rivers
In April 2004, American Rivers announced its ten most endangered rivers of 2004.

2003 rivers
In April 2003, American Rivers announced its ten most endangered rivers of 2003.

2002 rivers
On April 4, 2002, American Rivers announced its eleven most endangered rivers of 2002.

2001 rivers
On April 11, 2001, American Rivers announced its thirteen most endangered rivers of 2001.

2000 rivers
On April 10, 2000, American Rivers announced its thirteen most endangered rivers of 2000.

1998 rivers
On April 6, 1998, American Rivers announced its twenty most endangered rivers of 1998.

1997 rivers
On April 16, 1997, American Rivers announced its ten most endangered rivers of 1997.

1996 rivers
On April 17, 1996, American Rivers announced its ten most endangered rivers of 1996.

1987 rivers
American Rivers announced its ten most endangered rivers of 1987 via press release, with no accompanying report. All ten rivers faced dam proposals. The rivers were not ranked.

1986 rivers
American Rivers announced its ten most endangered rivers of 1986 via press release, with no accompanying report. The rivers were not ranked.