Nava Wolf Ranch Water Diversion and Stream Crossings Project (Lake or Streambed Alteration Agreement No. 1600-2019-0321-R1)
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Summary
- SCH Number
- 2015102005
- Lead Agency
- Humboldt County
- Document Title
- Nava Wolf Ranch Water Diversion and Stream Crossings Project (Lake or Streambed Alteration Agreement No. 1600-2019-0321-R1)
- Document Type
- NOD - Notice of Determination
- Received
- Posted
- 9/29/2020
- Document Description
- The project is limited to nine (9) encroachments (Table 1). One (1) encroachment is for the diversion of water from an unnamed tributary to the Mattole River. The diversion of water is for domestic use. Work for the water diversion will include use and maintenance of the water diversion infrastructure. One (1) encroachment is to remove an unpermitted diversion and associated infrastructure. Work for this encroachment will include cutting pipes emanating from the channel, the removal of a tank located on the channel bank, and recontouring and stabilization of the channel bank. Three (3) encroachments are to upgrade failing and undersized culverts. Work for these encroachments will include excavation, removal of the failing culverts, replacement with new properly sized culverts, backfilling and compaction of fill, and rock armoring as necessary to minimize erosion. One (1) encroachment will include the removal of partially buried refuse within a class III stream and the recontouring and stabilization of the channel. Two (2) encroachments are for the removal of unnecessary culverts, recontouring of the channel, and armoring and/or mulching as necessary to minimize erosion. One (1) encroachment is to remove an on-channel livestock pond and replace with an off-channel water trough. Work for this encroachment will include excavating the berm and culvert at the pond outfall, re-establishing the natural channel and stabilizing the area with rock and/or mulch as necessary to minimize erosion. The new trough will be located downstream from the existing pond at least 50 feet from watercourses and work will include grading to accommodate the new 6-foot water trough and the installation of an automatic shutoff valve and wildlife escapement ramp.
- Contact Information
-
Cheri Sanville
Department of Fish and Wildlife Northern Region
Lead/Public Agency
619 Second Street
Eureka, CA 95501
Phone : (707) 441-5900
Location
- Counties
- Humboldt
- Other Location Info
- The project to be completed is located within the Mattole River watershed, approximately 7.5 miles west of the town of Redway, County of Humboldt, State of California. The project is located in Section 08, T4S, R2E, Humboldt Base and Meridian; in the Ettersburg U.S. Geological Survey 7.5-minute quadrangle; Assessor’s Parcel Number 221-211-019; latitude 40.12729 N and longitude -123.97515 W at the point of diversion (POD).
Notice of Determination
- Approving Agency
- CDFW
- Approving Agency Role
- Responsible Agency
- Approved On
- Final Environmental Document Available at
- Available to the general public at the office location listed above for the Lead Agency. CDFW’s record related to the Lake or Streambed Alteration Agreement is available to the public for review at CDFW’s regional office.
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 Mitigated or 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
- No
- (5) A Statement of Overriding Considerations was adopted for this project
- No
- (6) Findings were made pursuant to the provisions of CEQA
- No
Attachments
- Notice of Determination
- 2015102005_1600-2019-0321-R1_HUM_MJ Nava Wolf Ranch Water Diversion and Stream Crossings_NOD PDF 167 K
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