Pyramid Dam Toe Seepage Weir Replacement (OM-SFD-2025-006)
Summary
SCH Number
2025070491
Public Agency
California Department of Water Resources
(DWR)
Document Title
Pyramid Dam Toe Seepage Weir Replacement (OM-SFD-2025-006)
Document Type
NOE - Notice of Exemption
Received
Posted
7/11/2025
Document Description
Department of Water Resources staff will replace the v-notch weir and staff gauge of the Seepage Collection Pond at the toe of Pyramid Dam. The Seepage Pond will be lowered to 3 feet and staff will enter the pond with waders. The existing v-notch weir and staff gauge will be removed and new ones installed using handheld power tools. Staff will be onsite to take flow measurements before and after the weir replacement. Staging and access will be on existing roadways and parking lots. All work is within DWR right-of-way.
Contact Information
Name
Janine Beck
Agency Name
Department of Water Resources
Job Title
Environmental Scientist
Contact Types
Lead/Public Agency / Parties Undertaking Project
Phone
Email
Name
Sara Lowry
Agency Name
Department of Water Resources
Job Title
Environmental Program Manager
Contact Types
Lead/Public Agency / Parties Undertaking Project
Phone
Email
Location
Coordinates
Cities
Castaic
Counties
Los Angeles
Regions
Southern California
Cross Streets
Templin Hwy, Golden State Hwy
Waterways
Pyramid Dam
Other Location Info
Pyramid Dam Seepage Collection Pond
Notice of Exemption
Exempt Status
Categorical Exemption
Type, Section or Code
Class 1, Existing Facilities, Section No. 15301
Reasons for Exemption
This project is exempt because it involves routine maintenance activities. This project will not result in impacts to special status species or habitat. The Categorical Exemption Class 1 will be used for CEQA compliance as this activity will be implemented without any environmental impacts.
County Clerk
Los Angeles
Attachments
Notice of Exemption
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