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MIDDLE FORK NOOKSACK DAM
In 2020, American Rivers removed the Middle Fork Nooksack dam after 50 years of blocking fish in Washington. 2 years later, the river reopened 16 miles of habitat for Chinook salmon and troutMiddle Fork Nooksack salmon habitat: A dam built in 1961 was removed in 2020, restoring river access. This action reopened sixteen miles of...- In 2012, Indiana farmers adopted cover crops that helped stop 5,695 tons of soil from reaching waterways each year. 9 years later, Prairie Creek scored 50 and was removedPrairie Creek in Indiana was once impaired for aquatic communities. A watershed management plan implemented in 2012 led to significant impr...
- In 1994, Idaho listed Rapid Creek for sediment after grazing added excess sediment. 20 years later, 3 reaches were delisted after BMPs improved habitat and water qualityRapid Creek in southeastern Idaho was listed for sediment impairment in 1994 after assessments found that several streams did not support c...
- In 2024, four dams were removed from an American river. Over 400 miles of Salmon habitat reopened. Scientists are now watching an ecosystem rebuilding itselfFour hydroelectric dams on the Klamath River were removed in 2024. This project opened over 400 miles of historic salmon habitat. Indigenou...
- The U.S. Army Corps of Engineers spent $7 million on fish ladders in 1938 to move salmon past Bonneville Dam; decades later, the system carries 1 million a season in good yearsThe Bonneville Dam’s fish ladders, designed as part of a New Deal initiative, remain operational after decades of service. The construction...
- Maryland spent $12 million on a fish lift in 1991 to move American shad past Conowingo Dam; decades later, annual runs remained far below the 2 million-fish targetMaryland invested $12 million in a fish lift to help migrating shad overcome the Conowingo Dam. This technological solution proved ineffect...
- Early warning of the Gohna lake burst of 1894The 1893 Gohna landslide in the UP Himalayas created a 900-foot natural dam and a massive lake that later breached catastrophically in 1894...
- Northern Canada’s beavers used branches and mud to slow floodwaters; their 850-meter dam that can be seen from space transformed the forest into a pond holding 70 million liters of water over timeDeep inside Northern Alberta’s Wood Buffalo National Park, generations of beavers have constructed the largest known dam on Earth. Spanning...
- In 1918–1921, one dam built on California's Carmel River provided water storage but blocked fish runs; in 2015 it came down, reopening 25 miles of habitat for steelhead troutA century-old dam on California's Carmel River was removed, restoring fish spawning grounds. Crews rerouted the river and dismantled the st...
- Low inventories, El Nino to keep sugar market tight through FY27: DAM CapitalThe Indian sugar sector is likely to remain in a tight-supply situation through FY27 and possibly beyond, with low inventories, weather ris...
- In 2016, the Living Bog Project began restoring 750 hectares of Ireland’s raised bogs. 10 years later, over 6,300 peat dams have helped bring pioneer bog vegetation backThe Living Bog Project began Ireland's largest raised bog restoration in 2016. This initiative aimed to recreate over 750 hectares of activ...
- In 2002, Idaho listed the South Fork Palouse River as bacteria-impaired after livestock grazing. 14 years later, restoration helped remove it from the 2016 impaired listThe South Fork Palouse River restoration began with a problem Idaho could not ignore. In 2002, the river was listed as bacteria-impaired, w...
- In 2016, NYSDEC and partners removed Shapp Pond Dam after 50 years of blocking migratory fish. 4 years later, restored habitat showed significant gains in stream health and wildlifeThe removal of the Shapp Pond Dam in Dutchess County, New York, helped restore aquatic connectivity and improve stream habitat along the Ea...
- In 2021, Pat McElhenny led removal of a dam that had held back water for 100 years. 1 year later, the original Sterry Creek channel resurfaced intact, restoring a natural floodplain on Moosic MountainA 100-year-old dam came down on Moosic Mountain in Pennsylvania, but the real surprise appeared afterward. Sterry Creek’s original channel ...
- Washington state biologists reintroduced beavers on tributaries, and within years their dams slowed stream flow and rebuilt banks that resist erosionWildlife departments are making strides in reintroducing beavers to rejuvenate damaged stream ecosystems. These industrious creatures help ...
- Tamil Nadu to release Mettur Dam water for Delta irrigation from September 1Tamil Nadu will release Mettur Dam water for 45 days starting September 1. This decision considers drinking and irrigation needs despite mo...
- Beginning in the 1930s, America built 29 giant locks and dams across the Mississippi River and they turned a wild river into a massive water staircaseThe Upper Mississippi River's navigation was transformed by America's construction of locks and dams in the 1930s. While these aging struct...
- In 1992, Congress authorized the removal of 2 dams that had blocked salmon for a century. 24 years later, the Elwha River once again flowed freely from the Olympic Mountains to the seaElwha River Restoration changed one of America’s most remarkable river recovery stories. Two dams once blocked salmon from reaching upstrea...
- Four dams built on the Klamath River between 1918 and 1966 made power, not water storage; in 2024, the last came down, reopening 420 miles of salmon habitatIn a groundbreaking initiative, four dams on the Klamath River spanning California and Oregon have been dismantled after a century of exist...
- In 2012, PacifiCorp launched a trap-and-haul program to move adult salmon upstream past Merwin Dam. 14 years later, researchers found 2 stages in the system but 1 decisive bottleneck: young salmon failing to find the artificial current downstreamA trap-and-haul program on Washington’s Lewis River helps adult Chinook salmon bypass Merwin Dam by transporting them in trucks to upstream...
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