Stream and Diffuser Enhancement Project (Streambed Alteration Agreement No. 1600-2015-0141-R2)
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Summary
- SCH Number
- 2015052067
- Lead Agency
- Quincy Community Services District
- Document Title
- Stream and Diffuser Enhancement Project (Streambed Alteration Agreement No. 1600-2015-0141-R2)
- Document Type
- NOD - Notice of Determination
- Received
- Posted
- 10/23/2015
- Present Land Use
- Agricultural Preserve
- Document Description
- CDFW has executed streambed alteration agreement no. 1600-2015-0141-R2, pursuant to section 1602 of the fish and game code to the project applicant, Quincy Community Services District (the Permittee) as represented by Larry Sullivan. The project consists of installation of a boulder cross-vane into Spanish Creek where the diffuser pipe is located. The boulder cross-vane will increase the immediate, on-site stream gradient, concentrate flows towards the center of the channel and its upstream end, increase streamflow velocities and turbulence within the structure and disperse flows across the channel at its downstream end. In order to construct the boulder cross-vane, an access road will be built along the south bank of Spanish Creek. The access road will be constructed using gravel from the gravel bar. The access road will be removed following construction of the boulder cross-vane. A coffer dam will be constructed to dewater the creek to allow for the installation of the cross-vane. Additional stream enhancements within Spanish Creek include: removal of a downstream sheet-pile dam that causes Spanish Creek to back up and create two large gravel bars. Following removal of the sheet-pile dam, approximately 700 cy of gravel will be removed from the creek to lower the creek to its active floodplain elevation. To help manage cattle use in the stream and riparian areas, the two fence segments that cross the creek will be removed and a new fence containing two gates will be installed on top of the north-side bank. The two gates will help provide cattle access to water and the landowner access to his irrigation pump. A temporary water gap fence will be installed. This temporary fence will be removed each year prior to the winter season. Project will result in 0.02 acres of permanent impacts in stream from installation of the cross-vane. 0.02 acres of temporary impacts to un-vegetated stream bank will occur from installation of the access road.
- Contact Information
-
Kursten Sheridan
CDFW North Central Region
1701 Nimbus Road
Rancho Cordova, CA 95670
Phone : (916) 358-2950
Location
- Coordinates
- 39°56'24"N 120°55'26"W
- Cities
- Quincy
- Counties
- Plumas
- Cross Streets
- Off of SR 70 at the end of Spanish Creek Road
- Zip
- 95971
- Total Acres
- 6.4
- Parcel #
- 115160060; 005240028
- State Highways
- Hwy 70
- Railways
- Yes
- Airports
- Quincy
- Schools
- Yes
- Waterways
- Spanish Creek
- Township
- 24N
- Range
- 9E
- Section
- 11/12
- Base
- MDB&M
Notice of Determination
- Approving Agency
- CDFW
- Approving Agency Role
- Responsible Agency
- Approved On
- Final Environmental Document Available at
- 1701 Nimbus Road, Rancho Cordova, CA 95670
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
- (2c) An other document type was prepared for this project pursuant to the provisions of CEQA
- No
- (3) Mitigated measures were made a condition of the approval of the project
- Yes
- (4) A mitigation reporting or monitoring plan was adopted for this project
- N/A
- (5) A Statement of Overriding Considerations was adopted for this project
- No
- (6) Findings were made pursuant to the provisions of CEQA
- No