Sedimentation Problems of the California Aqueduct

by Jeanine Jones, (A.M.ASCE), California Dep of Health Services, Sacramento, CA, USA,

Document Type: Proceeding Paper

Part of: Water Forum '86: World Water Issues in Evolution


The California Aqueduct crosses the alluvial fans of many intermittent streams on the west side of the San Joaquin Valley. At two sites where watershed sediment yields were underestimated, sedimentation problems have been experienced including: loss of floodwater storage capacity due to sediment deposition, water quality concerns arising from asbestos in the sediment, and the need to dredge material from the aqueduct. These problems could have been avoided during aqueduct design if geomorphic processes occurring in the watersheds had been considered.

Subject Headings: Sediment | Aqueducts | Water quality | Water storage | Dredged materials | Rivers and streams | Dredging | Floods | California | United States

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