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Dominguez Channel (Spanish: Canal de Domínguez) [1] is a 15.7-mile-long (25.3 km) [2] stream in southern Los Angeles County, California, in the center of the Dominguez Watershed of 133 square miles (340 km 2). [3] The watershed area is 96 percent developed and largely residential.
The Hyperion Water Reclamation Plant is a sewage treatment plant in southwest Los Angeles, California, next to Dockweiler State Beach on Santa Monica Bay. The plant is the largest sewage treatment facility in the Los Angeles Metropolitan Area and one of the largest plants in the world. Hyperion is operated by the City of Los Angeles, Department ...
"Ballona Watershed Map". The Ballona Creek watershed totals about 130 square miles (340 square kilometers). According to a 1948 report in the Venice Evening Vanguard, "The total area drained by Ballona Creek consists of 86 square miles (220 km 2) square miles of coastal plain and 74 square miles (190 km 2) of foothills and plain range from sea level to 250 feet (76 m) and in the mountains from ...
The treated water is discharged to the lake in the adjacent Balboa Park and then flows into the Los Angeles River, where it comprises the majority of the flow. The plant began operation in 1985 and processes 80 million US gallons (300,000 m 3 ) of waste a day, producing 26 million US gallons (98,000 m 3 ) of recycled water.
This was followed by a series of court ordered restrictions imposed on water exports, which resulted in Los Angeles losing water. [29] In 2005, the Los Angeles Urban Water Management Report reported that 40–50% of the aqueduct's historical supply is now devoted to ecological resources in Mono and Inyo counties. [37] [38]
Under the Federal Clean Water Act and the state's pioneering Porter-Cologne Water Quality Control Act the State Water Board has regulatory authority for protecting the water quality of nearly 1,600,000 acres (6,500 km 2) of lakes, 1,300,000 acres (5,300 km 2) of bays and estuaries, 211,000 miles (340,000 km) of rivers and streams, and about ...
The San Gabriel River (right of the I-605 here) changes from dirt to concrete channel in Downey, near the Rio San Gabriel Park (right center) The San Gabriel River basin drains a total of 689 square miles (1,780 km 2) [3] and is located between the watersheds of the Los Angeles River to the west, the Santa Ana River to the east, and the Mojave Desert to the north.
The Arroyo Calabasas (left) and Bell Creek (right) join to form the Los Angeles River LA River near downtown LA during drought in 2014. The Los Angeles River's official beginning is at the confluence of two channelized streams – Bell Creek and Arroyo Calabasas – in the Canoga Park section of the city of Los Angeles, just east of California State Route 27 (Topanga Canyon Boulevard), at (the ...