Geyserville Bank Stabilization, Riparian Revegetation, and Fish Habitat Enhancement Project

3 Documents in Project

Summary

SCH Number
2011082002
Lead Agency
Sotoyome Resource Conservation District
Document Title
Geyserville Bank Stabilization, Riparian Revegetation, and Fish Habitat Enhancement Project
Document Type
NOD - Notice of Determination
Received

Document Description
The project site is located on the left (eastern) bank of the Russian River, some 300 ft. downstream of Geyserville Bridge in Sonoma County, CA. Historical aerial photographs show that the site has been relatively stable in recent decades until works to protect the Geyserville bridge redirected flow against this bank, while expanding the eastern edge of the massive gravel bar that now occupies most of the river in this location. Severe erosion to the project site has occurred over the last year. Site survey has revealed freshly-exposed vertical banks behind many fallen mature trees with a large section now completely lacking riparian vegetation. From inspection of a section of the exposed bank, it appears that the original sandy bank was at some point in the past, stabilized with debris, mostly concrete slabs mixed with construction debris. The aggressive erosion process is likely to continue, contributing many more tons of fine sediment (alluvial sand and levee topsoil) along with construction debris into the river, together with several more mature trees that are now close to the edge of the bank. The length affected by the erosion and the proposed work is 497 feet. If the erosion is allowed to continue for even one more winter there is indication that the existing healthy riparian will continue to erode another 500 feet downstream. 38' 42' 45.75"/122' 53' 38.03". The California Department of Fish and Game is executing a Lake and Streambed Alteration Agreement Number 1600-2011-0200-3 pursuant to Section 1602 of the Fish and Game Code to the project Applicant, BioEnginering Associates, Inc.

Contact Information
Adam McKannay
California Department of Fish and Game
Bay Delta Region 7329 Silverado Trail
Napa, CA 94558

707 944 5534

Location

Coordinates
38°42'45.78"N 122°53'38.03"W
Counties
Sonoma
Total Acres
0.772
Parcel #
140-240-013
State Highways
Hwy 128
Waterways
Russian River
Township
10N
Range
9W
Other Location Info
City/Nearest Community: Geyserville

Notice of Determination

Approving Agency
California Department of Fish and Game
Approving Agency Role
Responsible Agency
Approved On
Final EIR Available Location
N/A

Determinations

(1) The project will have a significant impact on the environment
No
(2a) An Environmental Impact Report was prepared for this project pursuant to the provisions of CEQA
No
(2b) A Negative Declaration was prepared for this project pursuant to the provisions of CEQA
Yes
(3) Mitigated measures were made a condition of the approval of the project
N/A
(4) A Statement of Overriding Considerations was adopted for this project
N/A
(5) Findings were made pursuant to the provisions of CEQA
N/A
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