Upper Yuba River Levee Improvement Project
The Upper Yuba River Levee Improvement Project will complete a levee system designed to provide 200-year flood protection for 40,000 residents in South Yuba County [map].
The need for additional improvements on Yuba River levees was only recently identified. Those improvements include seepage remediation [cutoff wall and seepage berm], corrections to slope geometry, and erosion protection on four levee segments [segment map]. Construction is underway, and is expected to be completed in October. [see schedule].
Originally, the project was expected to cost $68 million. Based on levee design changes and favorable construction bids, the revised project cost is approximately $36 million. Of that amount, $25 million is being paid for by the State Department of Water Resources. As part of its funding agreement with the state, TRLIA must provide a 30 percent cost share for the project, or approximately $11 million. The local share will be covered through reimbursement and credit from the state for prior construction work, and funding from prior development agreements.
The improvements are projects of the Three Rivers Levee Improvement Authority [Who We Are].
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