Natomas Levee project

Natomas Levee Project—U.S. Army Corps of Engineers (Update June 2018)

Goal:  Complete levee improvements started by SAFCA/State to provide Natomas Basin at least 200-year flood protection

Project Status:  Project is fully authorized by Congress (2014 Water Resources and Reform Development Act).  Appropriations are made on an annual basis

Cost Sharing Partners:       SAFCA (local) and Central Valley Flood Projection Board (State)

Operation and Maintenance Responsibility:  Reclamation District No. 1000

Construction Status:         See Construction Phasing Map

Reach I (American River Gateway Oaks to Northgate):   Phase 1 contract has been awarded twice with bid protests delaying construction.  Anticipate new award July 2018 with work under I-5 fall of 2018 (some traffic impacts).  Cutoff wall construction along Garden Highway in 2019 with significant traffic impacts.

Reach H (NEMDC/Steelhead Creek from American River to Dry Creek):  Contract awarded, but bid protest has delayed construction.  Anticipate new award by end of 2018 with construction commencing in 2019 and completion in 2020.  Cutoff wall in levee and landside improvements; will require temporarily degrading (lowering) existing levee for construction.

Reach D (Natomas Cross Canal—northern boundary of Natomas):  Contract award May 2018. Construction commence in August 2018 with completion in 2019.  Re-locate Vestal Drain (ag drain on landside of levee); removal of existing abandoned pipes through levee; reconstruction of RD 1000 Pumping Plant No. 4

Reaches A, B, E, F and G—Improvements are currently in various phases of design to identify necessary improvements, right of way needs, and identify utility relocations necessary.  See Construction Phasing Map for anticipated construction schedule.  Information on construction details and schedule will be provided when available