Dominguez Channel

Dominguez Channel is a 15.7-mile-long (25.3 km)[1] perennial river in southern Los Angeles County, California, and located in the center of the Dominguez Watershed of 110 square miles (280 km2).

Dominguez Channel
Location
CountryUnited States
Physical characteristics
Source 
 ⁃ locationHawthorne, California
Mouth 
 ⁃ location
East Basin, Port of Los Angeles, California
Basin sizeDominguez Watershed
110 sq mi (280 km2)

The watershed area is 96% developed and largely residential. It consists of a series of subsurface storm drain tributaries (cave/grotto environments) and daylighted flood control channels that have a dual function as habitat for wildlife and wildflowers.[2]. Lower Dominguez Channel, for the last few miles before reaching the ocean harbor, becomes a river estuary mixing freshwater and ocean water together, overlying a wetland soil between uncemented boulder levees that serves as wildlife habitat and wildflower habitat including wetland vegetation.

Course

The stream begins just south of 116th Street in Hawthorne and flows through El Camino Village, Gardena, Alondra Park, El Camino College, Torrance, Harbor Gateway, Carson, Wilmington, and empties into the East Basin of the Port of Los Angeles, in San Pedro Bay on the Pacific Ocean.

Crossings

Crossings from mouth upstream to the source (year built in parentheses) are:[3]

  • Railroad
  • North Henry Ford Avenue (2002)
  • Railroad
  • East Anaheim Street (1997)
  • Railroad
  • California State Route 1 - East Pacific Coast Highway (1948)
  • East Sepulveda Boulevard (1959)
  • Alameda Street (1959)
  • Railroad
  • Private roads
  • East 223rd Street & Wilmington Avenue (1963)
  • Railroad
  • Interstate 405 - San Diego Freeway (1962)
  • East Carson Street (1959)
  • East 213th Street (1961)
  • Avalon Boulevard (1962)
  • East Del Almo Boulevard
  • South Main Street (1961)
  • South Figueroa Street (1963)
  • West 190th Street (1966)
  • Interstate 110 and connectors (1960 and 1985)
  • West 182nd Street (1964)
  • South Vermont Avenue (1958)
  • Normandie Avenue (1958)
  • South Western Avenue (1960)
  • State Route 91 - Artesia Boulevard (1958)
  • Gramercy Place (1959)
  • Van Ness Avenue (1960)
  • Crenshaw Boulevard (1960)
  • Cherry Avenue (1960)
  • West Redondo Beach Boulevard (1960)
  • Parking lot of El Camino College
  • Manhattan Beach Boulevard (1961)
  • Marine Avenue (1961)
  • West 147th Street (1974)
  • Crenshaw Boulevard (1962)
  • West Rosecrans Avenue (1962)
  • West 135th Street (1961)
  • West El Segundo Avenue (1966)
  • Railroad
  • Entrance 17
  • Private road
  • West 120th Street
  • Crenshaw Boulevard (1990)
  • Crenshaw Station Park & Ride (1994)
  • Ramps to Interstate 105
  • Interstate 105 and Metro Green Line (1992)

References
  1. U.S. Geological Survey. National Hydrography Dataset high-resolution flowline data. The National Map Archived 2012-04-05 at WebCite, accessed March 16, 2011
  2. "Dominguez Watershed Current Conditions". Los Angeles County Department of Public Works. Retrieved 2009-08-08.
  3. "National Bridge Inventory Database". Retrieved 2009-08-08.

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