Addendum No. 10 to Certified Final EIR 588 Regional Landfill Options for Orange County Strategic Plan (RELOOC) for Olinda Alpha Landfill – Final Closure and Po
14 Documents in Project
Summary
SCH Number
2004011055
Lead Agency
Orange County Waste & Recycling
(OCWR)
Document Title
Addendum No. 10 to Certified Final EIR 588 Regional Landfill Options for Orange County Strategic Plan (RELOOC) for Olinda Alpha Landfill – Final Closure and Po
Document Type
NOD - Notice of Determination
Received
Posted
7/8/2026
Document Description
This Addendum evaluates the implementation of the Final Closure and Post-Closure Maintenance Plan (FCPCMP) for OAL. Specifically, this Addendum evaluates the full landfill closure sequence, including cessation of waste disposal and substantial decrease of overall facility tonnage relative to the baseline conditions, an anticipated post-closure settlement period of approximately five years, delivery of final cover materials, implementation of final closure construction (including temporary increases in construction equipment and truck traffic), and long-term post-closure maintenance, all of which were contemplated and analyzed as part of the landfill closure scenario evaluated in Final EIR 588. The FCPCMP provides for final landfill closure, installation of an engineered cover system, long-term maintenance of stormwater and landfill gas systems, and continuation of existing material recovery (MR) activities and composting operations. MR activities would either be tied into landfill operations or a separate Solid Waste Facility Permit (SWFP) to be obtained from the appropriate regulatory agencies. The FCPCMP is being prepared in order to establish the basis for the proper level of funding to perform final closure and provide post-closure maintenance for the OAL in perpetuity, or for as long as required by applicable regulatory agencies in an environmentally sound manner. The project remains within the previously approved landfill footprint and does not increase permitted tonnage, or total disposal capacity.
Contact Information
Name
Leila Barker
Agency Name
OC Waste & Recycling
Job Title
CEQA/Habitat Manager
Contact Types
Lead/Public Agency
Phone
Email
Location
Coordinates
Cities
Brea
Counties
Orange
Regions
Countywide
Cross Streets
Valencia Avenue and Lambert Road
Zip
92823
Total Acres
565 acres
Parcel #
APN 308-021-03
State Highways
State Route 57
Railways
BNSF Railway
Airports
none
Schools
Olinda Elementary School Brea Olinda High School Brea Canyon Hig
Waterways
Carbon Canyon Creek
Township
T3S
Range
R10W
Section
13,14
Base
SBBM
Notice of Determination
Approving Agency
OC Waste & Recycling
Approving Agency Role
Lead Agency
Approved On
County Clerk
Orange
Final Environmental Document Available at
https://oclandfills.com/page/olinda-technical-documents
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
Yes
(2b) A Mitigated or a Negative Declaration was prepared for this project pursuant to the provisions of CEQA
No
(2c) An other document type was prepared for this project pursuant to the provisions of CEQA
Yes (Addendum to EIR)
(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
Yes
(6) Findings were made pursuant to the provisions of CEQA
Yes
Attachments
Notice of Determination
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