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Oakland Estuary

A view over the estuary from above Coast Guard Island. Alameda is on the left, with Oakland on the right and San Francisco Bay in the distance.

The Oakland Estuary is the strait separating the cities of Oakland and Alameda, California, in the San Francisco Bay Area. On its western end it connects to San Francisco Bay, while its eastern end connects to San Leandro Bay.


  • Crossings 1
  • Early history 2
  • Land Development Activity 3
  • Rowing 4
  • Notes 5
  • See also 6


The Estuary is spanned by two underwater tubes and three bridges. They are, from west to east:

High Street Bridge

Early history

Although the estuary was used by Native American tribes inhabiting the local area since about 4000 BC, the earliest recorded history of the Oakland Estuary dates primarily from events extending back to the 19th century, as detailed in a research study conducted by Earth Metrics for the U.S. Army Corps of Engineers (Earth Metrics, 1990)(Shreffler, 1994). The Oakland Estuary and tributary stream channels were used for shipping transport regularly by the 1850s; early maritime commerce featured movement of lumber and cattle hides. At this time land west of Lake Merritt Slough consisted of undeveloped marshlands. In 1853 the first dredging project of this estuary was initiated to enable ferry service to San Francisco. By the late 19th century further landside development occurred featuring wharf expansions, railroad service and shipbuilding. By the early 20th century the industrial pace accelerated and brought numerous industries to the Oakland Estuary, including a number of uses which contributed to sediment contamination of the estuary, such as paint manufacturing, pesticide storage, coal distillation, foundry uses and petroleum refineries.

Land Development Activity

In recent years, much public attention has been focused on proposed residential real estate development activity along Oakland's waterfront areas. A key area of land speculation and planning attention is a strip of land from Oak Street to 9th Avenue, where a developer has proposed a large complex with several hundred housing units.


In recent years, several rowing clubs have chosen the Oakland Estuary to be their home. The teams include UC Berkeley Rowing, the California Rowing Club, Berkeley High School Crew, Artemis Rowing Club, Oakland Technical High School Rowing, East Bay Rowing Club, and the Oakland Srokes


  • Historical research of land use and industry in the federal ship channel study area, Oakland, California, Earth Metrics Inc., prepared for and published by the U.S. Army Corps of Engineers, San Francisco District, San Francisco, California (1990)
  • , Battelle Marine Sciences Laboratory, prepared for and published by the U.S. Army Corps of Engineers, San Francisco District, San Francisco, California (1994)Tier one ecological evaluation of proposed discharge of dredged materials from the Oakland Harbor to ocean watersShreffler, D.K., R.M. Tilson, B.I. Wells and J.Q. Word,

See also

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