Hidden Valley Ranch 1600 Stream Crossings and Water Diversion Project (Streambed Alteration Agreement No. EPIMS-TRI-16029-R1)


SCH Number
Public Agency
California Department of Fish and Wildlife, Northern and Eureka Region 1 (CDFW)
Document Title
Hidden Valley Ranch 1600 Stream Crossings and Water Diversion Project (Streambed Alteration Agreement No. EPIMS-TRI-16029-R1)
Document Type
NOE - Notice of Exemption
Document Description
The project is limited to 6 encroachments on unnamed tributaries to the South Fork Trinity River. Three are to upgrade existing stream crossings and work will include some or all of the following: excavation, culvert removal, culvert replacement, backfilling and compaction of fill, and rock armoring as necessary to minimize erosion. Three encroachments are for water diversion for domestic use. Work for the water diversion will include use and maintenance of the water diversion infrastructure in compliance with this agreement and removal of remnant dam at one of the locations.

Contact Information

Ryan Bourque
Agency Name
Contact Types
Lead/Public Agency


Mad River
Northern California
Parcel #
Other Location Info
The project is located at unnamed tributaries to the South Fork Trinity River, in the County of Trinity, State of California; Latitude 40.416570, Longitude -123.417899; 1790 Hidden Valley Ranch Rd, Mad River, CA, 95552; Assessor’s Parcel Number [APN] 018-150-016.

Notice of Exemption

Exempt Status
Categorical Exemption
Type, Section or Code
Class 1 and Class 4; California Code of Regulations, title 14, section
Reasons for Exemption
The project will permit existing surface water diversions and minor alteration of land for existing stream crossings. Work was initially conducted without a Streambed Alteration Agreement (Fish & Game Code [FGC] Section 1602). There would be no significant adverse impact on endangered, rare or threatened species or their habitat pursuant to section 15065. There are no hazardous materials at or around the project site that may be disturbed or removed. The project will not result in impacts that are significant when viewed in connection with the effects of past projects, the effects of other current projects, and the effects of probable future projects.
County Clerk


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