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Dry Creek (Warm Springs Dam) Restoration, Sec. 1135

DRY CREEK (WARM SPRINGS) RESTORATION, SEC. 1135

INVESTIGATIONS

Ecosystem Restoration Detailed Project Report with Integrated Environmental Assessment (PDF)

PROJECT LOCATION AND DESCRIPTION

The study area is located in northern California along the Russian River at Lake Sonoma and Warm Springs Dam, near the cities of Geyserville and Cloverdale, about 75 miles northeast of San Francisco, California. The Russian River drains an area of 1,485 square miles. Approximately two-thirds of this area is in Sonoma County, with the remainder in Mendocino County. The existing Corps project, Warm Springs Dam, is an earthen dam 319 ft high and 3,000 ft long, completed in 1983. After the Dam was built there was an increasing awareness of adverse impacts to the anadromous fish populations. A Biological Opinion (BO), issued by the National Marine Fisheries Service on Dry Creek at Warm Springs Dam, mandates that the Corps perform various Reasonable and Prudent Measures to save threatened salmonid species. This CAP Section 1135 study will look at restoration options consistent with the BO findings and will investigate stabilizing eroding stream banks, restoring riparian habit, enhancing pools’ shade, and enhancing shelter for young salmon and steelhead as they spend a critical first year or two in freshwater before migrating to the ocean.

 

            TOTAL FUNDING

            TOTAL COST                                                                            $  14,100,000

            FEDERAL COST                                                                       $  10,800,000

            NON-FEDERAL COST                                                              $    3,300,000

 

            TOTAL FEDERAL COST THROUGH FY 2018                         $    1,525,000

            FY 2019 BUDGET                                                                      $      100,000

            COST TO COMPLETE                                                               $   9,275,000

 

FY 18 ACCOMPLISHMENTS

  • Developed detailed plans and specifications during D&I phase
  • Award construction contract

FY 19 ACCOMPLISHMENTS (subject to the availability of funds)

  • Award new phase of construction
  • Complete construction of the entire reach in Summer 2019

ISSUES AND OTHER INFORMATION

  • The Sonoma County Water Agency is the Non-Federal Sponsor (NFS).
  • Possible real estate issue with willing landowner for easement to restoration sites.
  • A delay in determining ecological benefits (including obtaining necessary technical information from the sponsor) has cause a 2 month delay in overall schedule.

CONGRESSIONAL INTEREST­

  • 2nd District, Rep. Jared Huffman
  • 3rd District, Rep. John Garamendi
  • 5th District, Rep. Mike Thompson

POINT OF CONTACT

  • Deputy for Project Management, Arijs A. Rakstins, (415) 503-6720

Updated on 28 February 2018

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