Green Valley Creek High Flow Channel Project

3 Documents in Project

Summary

SCH Number
2018062049
Lead Agency
Sonoma County Water Agency
Document Title
Green Valley Creek High Flow Channel Project
Document Type
NEG - Negative Declaration
Received

Document Description
Green Valley Creek flooding of Green Valley Rd and adjacent property has increased in magnitude, frequency, and duration from recent accumulation of sediment. The purpose of this project is to lessen recurrent flooding of Green Valley Rd by improving storm flow capacity within the section of Green Valley Creek at the Green Valley Rd crossing. The project would include understory vegetation clearing, placement of temporary fill for an access ramp, excavating and maintaining channels for a period of five years, and re-vegetation of the project area with native plants. Although there would be temporary disturbance to wildlife and their habitats, there would be long-term benefits including increased aquatic habitat, riparian restoration, fewer strandings due to flooding, and reduced degradation of habitats downstream from sedimentation.

Contact Information
David Cook
Sonoma County Water Agency
404 Aviation Blvd
Santa Rosa, CA 95403

(707) 547-1944

Location

Coordinates
38°26'36"N 122°53'15"W
Cities
Sebastopol
Counties
Sonoma
Cross Streets
Green Valley Rd
Zip
95472
Total Acres
1.03
Parcel #
104-050-013, -040-029
State Highways
116
Waterways
Green Valley Creek
Township
7N
Range
8W
Section
23
Base
MD

Notice of Completion

Review Period Start
Review Period End
Development Type
Other (flood control (sediment removal))
Project Issues
Cumulative Effects Landuse Growth Inducing Wetland/Riparian Water Supply Water Quality Vegetation Traffic/Circulation Toxic/Hazardous Solid Waste Soil Erosion/Compaction/Grading Sewer Capacity Septic System Schools/Universities Recreation/Parks Public Services Population/Housing Balance Noise Minerals Geologic/Seismic Forest Land/Fire Hazard Flood Plain/Flooding Drainage/Absorption Biological Resources Archaeologic-Historic Air Quality Agricultural Land Aesthetic/Visual
Reviewing Agencies
Cal Fire California Department of Parks and Recreation California Highway Patrol Caltrans, District 4 Department of Fish and Wildlife, Region 3 Department of Toxic Substances Control Department of Water Resources Native American Heritage Commission Office of Emergency Services, California Regional Water Quality Control Board, Region 1 Resources Agency State Water Resources Control Board, Division of Water Quality
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