Montgomery Woods State Natural Reserve Stream Crossings Project (Notification of Lake or Streambed Alteration, No. EPIMS-MEN-29836-R1C)
Summary
SCH Number
2023090321
Public Agency
California Department of Fish and Wildlife, Northern and Eureka Region 1
(CDFW)
Document Title
Montgomery Woods State Natural Reserve Stream Crossings Project (Notification of Lake or Streambed Alteration, No. EPIMS-MEN-29836-R1C)
Document Type
NOE - Notice of Exemption
Received
Posted
9/14/2023
Document Description
The California Department of Fish and Wildlife has executed Lake and Streambed Alteration Agreement EPIMS Notification No. EPIMS-MEN-29836-R1C, pursuant to Section 1602 of the Fish and Game Code to Jackie Dixon, Representing California Department of Parks and Recreation (State Parks), Sonoma – Mendocino Coast District. The project is limited to seven (7) encroachments. Four (4) encroachments are for installation of pedestrian foot bridges spanning the primary stream channel within the floodplain of Montgomery Creek at Crossing-1, Crossing- 2, Crossing-5, and Crossing-7. The encroachments at Crossing-1, Crossing-2, Crossing-5, and Crossing-7 will include excavation of the banks and floodplain; concrete footing and abutment form construction, pouring, and curing; and pedestrian bridge construction per the California Department of Parks and Recreation Trails Handbook Chapter 16 – Trail Bridges, and Chapter 26 – Drainage and Structure Maintenance. Two (2) encroachments will be to install boardwalks at Crossing-4 spanning an alluvial fan of an unnamed tributary, and at Crossing 6 along a secondary channel within the floodplain of Montgomery Creek. The encroachments at Crossing 4 and Crossing 6 will include excavation; concrete footing and abutment form construction, pouring, and curing; and boardwalk construction per the California Department of Parks and Recreation Trails Handbook Chapter 14 – Drainage Structures, and Chapter 26 – Drainage and Structure Maintenance. One (1) encroachment will be to install a rock ford pedestrian trail crossing in an unnamed tributary at Crossing-3. The encroachment at Crossing 3 will include excavation of the banks and channel to key in rock and installation of a rock ford crossing per the California Department of Parks and Recreation Trails Handbook Chapter 14 – Drainage Structures, and Chapter 26 – Drainage and Structure Maintenance. The encroachment at Crossing-5 will also include boardwalk approaches that will involve excavation within the floodplain; concrete footing and abutment form construction, pouring, and curing; and boardwalk construction per the California Department of Parks and Recreation Trails Handbook Chapter 14 – Drainage Structures, and Chapter 26 – Drainage and Structure Maintenance. The encroachment at Crossing-7 will also include moving non-stable large, downed wood that is not embedded in the banks and floodplain to the reach downstream using grip hoists and other hand tools. Granular filters will be used in lieu of geotextile or synthetic filter fabric within the floodplain and for rock ford crossings.
Contact Information
Name
Adam Hutchins
Agency Name
CDFW
Job Title
Environmental Scientist
Contact Types
Lead/Public Agency
Phone
Location
Coordinates
Cities
Ukiah
Counties
Mendocino
Regions
Northern California
Cross Streets
approximately 10 miles northeast of the City of Ukiah
Parcel #
149-190-05-00, 149-240-01-00, and 149-230-02
Waterways
Big River watershed
Township
16N
Range
14W
Section
22,23
Base
MtDiablo
Notice of Exemption
Exempt Status
Categorical Exemption
Type, Section or Code
Class 1; California Code of Regulations, title 14, section 15301
Reasons for Exemption
Class 1 – The Montgomery Woods State Natural Reserve Stream Crossings Project meets the criteria for
categorical exemption type Class 1, California Code of Regulations, title 14, section 15301 because the project
involves installation of pedestrian foot bridges, boardwalks, and ford crossings at existing stream crossing locations
on an existing trail system. No mature, scenic trees will be affected by this project. There would be no significant
adverse impact on endangered, rare or threatened species or their habitat pursuant to section 15065. 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.
Exempt Status
Categorical Exemption
Type, Section or Code
Class 4; California Code of Regulations, title 14, section 15304
Reasons for Exemption
Class 4 –The Montgomery Woods State Natural Reserve Stream Crossings Project meets the criteria for
categorical exemption type Class 4; California Code of Regulations, title 14, section 15304 because the project will
require minor alteration to soil within a non-fish-bearing watercourse, and some removal of understory vegetation,
including brush removal, but no tree removal. Measures will be taken to prevent creation of suspended sediment.
No heavy machinery will be used, and all work will be done by hand crews.
County Clerk
Mendocino
Attachments
Notice of Exemption
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