Baldwin Lake and Tule Pond Restoration Project
2 Documents in Project
Summary
SCH Number
2024110093
Lead Agency
Los Angeles County Flood Control District
Document Title
Baldwin Lake and Tule Pond Restoration Project
Document Type
NOD - Notice of Determination
Received
Posted
3/23/2026
Document Description
PROJECT LOCATION: The Project site is located at the Los Angeles County Arboretum and Botanic Gardens (301 North Baldwin Avenue, Arcadia, CA 91007). The Arboretum is in the northwestern portion of the San Gabriel Valley and is bounded by the Interstate-210 freeway to the north, Baldwin Avenue on the east, Hugo Reid Drive to the south, and Golden West Avenue on the west. Baldwin Lake and Tule Pond are prominent features of the 127-acre Arboretum. The Lake covers 3.4 surface acres, while the Pond covers roughly 0.7 surface acres of the Arboretum grounds. The Lake is located approximately 205 feet east of the Pond.
DESCRIPTION OF THE PROPOSED PROJECT: The Project proposes to remove approximately 65,000 cubic yards of sediment and to deepen Baldwin Lake (Lake) and Tule Pond (Pond), install a liner and aeration units at the Lake to improve the aquatic ecosystem; realign one storm drain outlet and reconstruct three storm drain outlets with energy dissipators to minimize erosion; install hydrodynamic separators and media filtration to treat residential runoff. The Project also proposes to restore the Lake’s historic retaining wall around the Lake for historic preservation, improve landscaping to provide operational benefits, and provide additional aesthetic benefits and educational opportunities for Arboretum visitors. The lead agency has determined that the proposed project will not have a significant effect on the environment, with incorporation of mitigation measures.
Contact Information
Name
Matthew Frary, PE
Agency Name
Los Angeles County Flood Control District
Job Title
Assistant Deputy Director
Contact Types
Lead/Public Agency
Address
Phone
Email
Location
Cities
Arcadia
Counties
Los Angeles
Regions
Southern California
Cross Streets
Baldwin Ave and I-210 Freeway
Zip
91007
Total Acres
51
Parcel #
5776-035-905
State Highways
I-210
Schools
Hugo Reid Elementary
Waterways
Arcadia Wash
Notice of Determination
Approving Agency
LA County Flood Control District
Approving Agency Role
Lead Agency
Approved On
County Clerk
Los Angeles
Final Environmental Document Available at
County of Los Angeles, Department of Public Works, Stormwater Planning Division, 900 S Fremont Avenue, 11th Floor, Alhambra, CA 91803
Determinations
(1) The project will have a significant impact on the environment
No
(2a) An Environmental Impact Report was prepared for this project pursuant to the provisions of CEQA
No
(2b) A Mitigated or a Negative Declaration was prepared for this project pursuant to the provisions of CEQA
Yes
(2c) An other document type was prepared for this project pursuant to the provisions of CEQA
No
(3) Mitigated measures were made a condition of the approval of the project
Yes
(4) A mitigation reporting or monitoring plan was adopted for this project
Yes
(5) A Statement of Overriding Considerations was adopted for this project
No
(6) Findings were made pursuant to the provisions of CEQA
Yes
Attachments
Notice of Determination
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