The Rock Creek Powerhouse is owned by Sithe Energies. The American River Salmonid Spawning and Rearing Habitat Restoration project, which started in 2008, entails the placement of gravel to provide adequate habitat conducive to the salmonid’s needs for spawning and rearing to reach a maturity level fit for the ocean. URL: https://waterdata.usgs.gov/nwis/uv? The North and South Forks join in Folsom Lake. [33], The American River Parkway is a 23-mile stretch along the American River and includes about 5,000 acres of embankment between the Nimbus Fish Hatchery and where the American River and the Sacramento River converge.


The Upper American River Foundation is a prominent one. [17] The North and Middle Forks join near Auburn, and continue downstream as the North Fork, although the Middle Fork carries a higher volume of water.

The American River Parkway is a 23-mile stretch along the American River and includes about 5,000 acres of embankment between the Nimbus Fish Hatchery and where the American River and the Sacramento River converge. The American River watershed supports Mediterranean, temperate, and montane ecosystems, and it is the home of a diverse array of fish and wildlife. Fourteen environmental watershed groups are shown to be active in the Upper American River Watershed by the Adopt A Watershed Program of the U.S. Available data for this site Click to hide station-specific text Click to enlarge. After a failed attempt to cross the mountains via the South Fork of the American River, Smith's group managed to cross via Ebbetts Pass on the headwaters of the Stanislaus River, becoming the first non-Native Americans to do so. The gravel will increase the number of fish redds, spawning nests, along the American River, which will decrease egg retention, and increase birth and survivorship rate. It flows westward through remote wilderness areas. [38] All three rivers also feature Class II sections.

11446500 American River at Fair Oaks, CA . Since the California Gold Rush was centered in an area that included the American River basin, it was one of the earlier California rivers to be populated, beginning at Leidesdorff Ranch, owned by William Leidesdorff. During most years, a significant snowpack builds up in the Sierra Nevada which provides water during the hot, dry summers. The South Fork is 87 miles (140 km) long. The Upper American River Project produces 1.8 billion kilowatt hours in an average year, enough for about 20 percent of Sacramento's electricity needs. Select a sensor type for a plot of data. They utilized the vast amount of resources of the American River for shelter, clothes, baskets, and other goods before Europeans arrived in the late 18th century. U.S. Geological Survey. [11], Spanish explorer Gabriel Moraga named the river Rio de las Llagas (River of Wounds) when he passed through the area in the early 1800s, perhaps due to hostile relations with local native peoples.

In 1848, following the Mexican–American War, California was ceded to the United States in the Treaty of Guadalupe Hidalgo. Plot The Data On Daily, Monthly, And Annual Basis. Folsom Dam is the primary flood-control facility for Sacramento. In response, the city of Sacramento undertook a massive project to raise its streets and buildings as much as 9.5 feet (2.9 m). Gold miners dredged the riverbed and constructed diversion dams for hydraulic mining.

There is an abundance of flora and fauna found at the American River that creates an immensely bio diverse ecosystem. The North Fork and its tributaries provides one of the most biologically diverse habitats in North America. The American River is known for the discovery of gold at Coloma in 1848 that started the California Gold Rush and contributed to the initial large-scale settlement of California by European immigrants.

Sacramento River Basin .

U.S. Geological Survey The American River is specifically known for its whitewater rafting.

All three forks are known for their verdant canyons, forested ridges, massive rock formations, trails, backcountry winter adventuring among snowy peaks, fishing and white water rafting.

They conserve the diversity of habitats and biodiversity by supporting protected native or endemic species that are listed as endangered or threatened. USGS Schematic of Dams, diversions and …

The project also included the introduction of small islands, loose woody debris, and larger boulders to advance the rearing habitat for the anadromous fish and increase biodiversity of the American River.[35][36][37]. Another member of the expedition recorded the name as Rio de los Lagos (River of the Lakes) which may or may not have been an error, as in those times the area of the Central Valley surrounding the American River was home to vast marshes, which would have given the river the appearance of a series of lakes.[12].

Title: USGS Current Conditions for the Nation The Middle Fork features part of the Auburn State Recreation Area. In Smith's honor the Spanish settlers and Native Americans named the river Rio de los Americanos (American River). Mining activity caused sediment and mercury waste to accumulate in the rivers.

[30] Nimbus Dam is 7 miles (11 km) downstream from Folsom Dam and helps to stabilize peaking power releases from Folsom Dam, and divert water into the Folsom South Canal for irrigation.[31]. Policies and Notices, U.S. Department of the Interior | It's 10 or 12 miles, but an …

This data is preliminary and subject to revision.

The land they protect helps the American River water quality by conserving and restoring wet meadows, wetlands, and riparian areas. Unfortunately, this large and extensive mining practice washed away entire mountainsides and heavily polluted all the waterways, including the American River.

The El Dorado Irrigation District owns the Akin Powerhouse, and PG&E owns the Chili Bar Powerhouse. This area serves the citizens of Sacramento and visitors from away with … It flows freely as a designated National Wild and Scenic Rivers System river until reaching the North Fork Dam, which was built to contain mining debris. Jedediah Smith Memorial Trail, a meandering, uninterrupted 32-mile (51 km) cycle path, hugs the river bank from Old Sacramento to Folsom Lake.

Confluence of Silver Fork American River & South Fork American River, located at, California Office of Environmental Health Hazard Assessment, "Boundary Descriptions and Names of Regions, Subregions, Accounting Units and Cataloging Units", "USGS Gage #11446500 on the American River at Fair Oaks, CA (2009)", "American River played notable roles in pre-Sacramento history", "Mexican-American War and the Treaty of Guadalupe-Hidalgo - Chamizal National Memorial (U.S. National Park Service)", "Old Sacramento gives up some watery secrets during tour", "A Boating Trail Guide to the American River Parkway", "The American River: California's Favorite Whitewater River", "American River Parkway Foundation (ARPF): environmental protection, native habitat preservation, Sacramento, CA (916) 486-2773", "The Reservoir That Made the World Pay Attention to California's Drought", "Lower American River Watershed | Sacramento River Watershed Program", "American River Salmonid Spawning Gravel Augmentation Project", "American River Salmonid Spawning and Rearing Habitat Restoration Update", "Draft CVPIA Fiscal Year 2014 Annual Work Plan", "Whitewater Rafting - The American River", Guide to Rafting and Kayaking on the American River, Marshall Gold Discovery State Historic Park, U.S. Geological Survey Geographic Names Information System: American River, https://en.wikipedia.org/w/index.php?title=American_River&oldid=982068666, Wild and Scenic Rivers of the United States, Rivers of the Sierra Nevada in California, Short description is different from Wikidata, Articles containing Spanish-language text, Articles containing Nisenan-language text, Articles with unsourced statements from March 2012, Articles lacking reliable references from June 2020, Wikipedia articles with WORLDCATID identifiers, Creative Commons Attribution-ShareAlike License, 119 mi (192 km), Northeast-southwestMain stem 31 miles (50 km); North Fork 88 miles (142 km), This page was last edited on 6 October 2020, at 00:22. The North Fork is the longest tributary of the American River, at 88 miles (142 km). FOIA

Warning: Javascript must be enabled to use all the features on this page! These plants are fed by a series of reservoirs including Loon Lake, Ice House Reservoir and Union Valley Reservoir. Folsom Dam was built in 1955 as a principal part of the Central Valley Project by the Army Corps of Engineers, and is operated by the Bureau of Reclamation. The American River headwaters lie along about 50 miles (80 km) along the Sierra Crest from Mount Lincoln in the north (39°17′16″N 120°19′41″W / 39.28778°N 120.32806°W / 39.28778; -120.32806) where it adjoins the watersheds of the South Yuba and Truckee Rivers, to Winnemucca Lake in the Mokelumne Wilderness, where it meets the watersheds of the Mokelumne and Carson Rivers.


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