Santa Ana River Main Stem Including Santiago Creek, Counties of Orange, Riverside, and San Bernardino, California. Phase I General Design Memorandum. Main Report and Supplemental Environmental Impact Statement
Santa Ana River Main Stem Including Santiago Creek, Counties of Orange, Riverside, and San Bernardino, California. Phase I General Design Memorandum. Main Report and Supplemental Environmental Impact Statement

Author: ARMY ENGINEER DISTRICT LOS ANGELES CA.

Publisher:

Published: 1980

Total Pages: 374

ISBN-13:

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The current plan for the main stem of the river includes construction of the Mentone Dam; flood plain management between Mentone Dam and Prado Reservoir; raising Prado Dam 30 feet and the acquisition line 10 feet; acquisition of the Santa Ana Canyon flood plain; channelization of the lower Santa Ana River; and acquisition, and preservation, of 92 acres of marshland at the mouth of the Santa Ana River. An integral part of the plan for Prado Dam, the Oak Street Drain plan involves construction of the channel recommended in the 1975 Survey Report from an existing debris basin to Prado Reservoir. The Santiago Creek plan involves detection storage of 100-year floodflows at existing gravel pits, with minimum downstream channelization. Facilities for recreation are included in the plans for the Santa Ana River and for Santiago Creek.

Santa Ana River Design Memorandum Number 1. Phase 2. GDM on the Santa Ana River Mainstem Including Santiago Creek. Main Report and Supplemental Environmental Impact Statement
Santa Ana River Design Memorandum Number 1. Phase 2. GDM on the Santa Ana River Mainstem Including Santiago Creek. Main Report and Supplemental Environmental Impact Statement

Author: ARMY ENGINEER DISTRICT LOS ANGELES CA.

Publisher:

Published: 1988

Total Pages: 752

ISBN-13:

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The Santa Ana River Mainstem Project, including Santiago Creek, is designed to provide urban flood protection to the growing communities in Orange, Riverside, and San Bernardino counties. The project will provide various levels of flood protection ranging from 100-year to 190-year in areas most susceptible to damages from floodflows for over 2 million people and businesses within the three-county area. Most of the development is in the Lower Santa Ana River Basin (Orange County). The project will provide environmental enhancement in a currently degraded marsh area at the mouth of the Santa Ana River, thereby providing significant value as a wetland habitat for migrating waterfowl and fot the California least tern, a federally listed endangered species. The project is intended to provide increased recreation opportunities through project related recreational developments on the Lower Santa Ana River and on Santiago Creek. Water conservation is not an authorized project purpose, but incidental water conservation benefits would be realized as a part of the recommended plan. (FR).

SANTA ANA RIVER
SANTA ANA RIVER

Author: United States. Army. Corps of Engineers. Los Angeles District

Publisher:

Published: 1980

Total Pages:

ISBN-13:

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