Ralston Afterbay Inlet and Outlet Maintenance Project (Lake and Streambed Alteration Agreement EPIMS Notification No. PLA-61990-R2)
Summary
SCH Number
2026020437
Public Agency
California Department of Fish and Wildlife, North Central Region 2
(CDFW)
Document Title
Ralston Afterbay Inlet and Outlet Maintenance Project (Lake and Streambed Alteration Agreement EPIMS Notification No. PLA-61990-R2)
Document Type
NOE - Notice of Exemption
Received
Posted
2/11/2026
Document Description
The California Department of Fish and Wildlife (CDFW) has executed Lake and Streambed Alteration Agreement EPIMS Notification Number PLA-61990-R2, pursuant to Section 1602 of the Fish and Game Code to the project Applicant, Placer County Water Agency as represented by Heather Trejo.
The project is limited to the following three activities:
• Sediment Removal: Physical removal of 40,000 cubic yards (CY) of accumulated sediment from Ralston Afterbay in the vicinity of the Ralston Afterbay Dam and Ralston-Oxbow Tunnel Intake structure.
• Sediment Disposal: Disposal of removed sediment at an existing, approved disposal area.
• Low Level Outlet (LLO) Trash Rack Replacement: Removal of the existing steel trash rack and installation of a new structural trash rack on the Ralston Afterbay Dam LLO to allow required operation/cycling of the LLO.
Contact Information
Name
Will Kanz
Agency Name
California Department of Fish and Wildlife
Job Title
Environmental Scientist
Contact Types
Lead/Public Agency
Phone
Name
Heather Trejo
Agency Name
Placer County Water Agency
Contact Types
Lead/Public Agency
Address
Phone
Email
Location
Coordinates
Counties
Placer
Regions
Northern California
Parcel #
254-280-002
Waterways
Middle Fork American River
Other Location Info
The project is located at the Ralston Afterbay along the Middle Fork American River, in the County of Placer, State of California; Latitude: 39.00363, Longitude -120.74650. (WGS 84 datum, decimal degrees) Assessor’s Parcel Number 254-280-002-000.
Notice of Exemption
Exempt Status
Categorical Exemption
Type, Section or Code
Class (1b); California Code of Regulations, title 14, sections (15301)
Reasons for Exemption
The project is exempt under section 15301 because it consists of the repair, maintenance or minor alteration of existing public structures, facilities, or mechanical equipment, involving negligible or no expansion of capacity. The project is exempt under section 15304 because it consists of minor public alterations in the condition of land and/or vegetation.
Exempt Status
Categorical Exemption
Type, Section or Code
Class (4(c, and g)); California Code of Regulations, title 14, sections (15304)
Reasons for Exemption
The project is exempt under section 15301 because it consists of the repair, maintenance or minor alteration of existing public structures, facilities, or mechanical equipment, involving negligible or no expansion of capacity. The project is exempt under section 15304 because it consists of minor public alterations in the condition of land and/or vegetation.
County Clerk
Placer
Attachments
Notice of Exemption
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