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Project: Santa Ana River Mainstem Riverside (SAMR)

Description: Santa Ana River Mainstem Project provides 100-year flood protection to over 3.35 million people in the growing urban communities in Orange, Riverside and San Bernardino Counties. Covering 75 miles, starting from headwater of Santa Ana River east of City of San Bernardino to the mouth of the river at the Pacific Ocean, the Project includes seven independent features. Project also includes environmental features to provide wetland habitat for federally listed endangered species. The plan provides for the acquisition of mitigation lands, restoring temporary loss of habitat values, cultural mitigation, and a 32-mile system of recreation trails.

Reference Number: 3860-PM-065

Implemented By: Riverside County Flood Control and Water Control District

Objective: Flood Protection

Type: Acquisition Easement, Restoration, Infrastructure Improvement

Total Cost: $17,143,600.00

Project Status: Project Implementation

On Time?: Yes    Within Scope?: Yes    Within Budget?: Yes

Estimated Completion: 12/31/2032    Actual Completion:

Associated Counties: Riverside

Located In Disadvantaged Community: Unknown

Contribution SourcesContribution DateContribution Amount
Local Contribution7/18/2014$8,613,600.00
Other State Funds12/18/2018$4,480,000.00
Prop. 84, Flood Control Subventions Program5/14/2020$50,000.00
Prop. 1E, Flood Control Subventions Program4/6/2020$4,000,000.00

Project MetricMetric TopicQuantityUnit
Acquisition EasementMitigation acres acquired
Acquisition EasementPublic Access/Recreation acres acquired
RestorationEcosystem: Shallow Water/ Marsh/ Wetland Habitat acres restored/assessed/managed
Infrastructure ImprovementFlood Control Subventions  


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