Pyramid Lake Copper Sulfate Treatment (OM-SFD-2026-004)
Summary
SCH Number
2026081070
Public Agency
California Department of Water Resources
(DWR)
Document Title
Pyramid Lake Copper Sulfate Treatment (OM-SFD-2026-004)
Document Type
NOE - Notice of Exemption
Received
Posted
8/28/2026
Document Description
Department of Water Resources (DWR) and Contractor will apply copper sulfate via helicopter at Pyramid Lake to control a lake-wide planktonic blue-green algae bloom that poses a risk to the public. The helicopter work will last approximately six hours and cover 558 acres. The helicopter will operate 100 feet from the shoreline and 20-30 feet above the water to apply roughly 18,000 pounds of copper sulfate to the main body of water. Staging and 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
unincorporated area near Castaic
Counties
Los Angeles
Regions
Southern California
Cross Streets
Templin Hwy, Golden State Hwy, I-5
Waterways
Pyramid Lake
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 for a safe water supply. 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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