On behalf of the San Diego Unified Port District (District), Aspen prepared an Initial Study (IS) and Environmental Impact Report (EIR) for the proposed Mitsubishi Cement Corporation at Warehouse C: Bulk Cement Warehouse and Loading Facility Project (Project). 

The USACE is in receipt of a Third-Party Permittee Section 408 Permission from the Mountains Recreation and Conservation Authority (MRCA), through the Los Angeles County Flood Control District (LACFCD), the non-Federal sponsor.

Under contract with the County of Los Angeles Department of Regional Planning, Aspen supported the County with the preparation of a biological assessment, noise technical study, and Environmental Impact Report (EIR) for the County’s update to the Santa Monica Mountains North Area Plan (NAP) and Community Standards District (CSD).

Aspen assisted the San Bernardino County Department of Public Works with the preparation of a CEQA (MND) document for a bridge replacement at the Dola Ditch, located on the San Bernardino County maintained National Trails Highway, known as California U.S. Highway 66/National Trails Highway, and traditionally known as Route 66.

Aspen managed the preparation of the Ormond Beach Wetlands Restoration Feasibility Plan for the California State Coastal Conservancy.

Aspen prepared a joint CEQA/NEPA document for two adjoining hiking and equestrian trails south of Muir Woods National Monument.

The California Department of Forestry and Fire Protection (CAL FIRE) proposed to upgrade existing mountaintop telecommunications towers, vaults, and other supporting infrastructure as required to support the State's Public Safety Microwave Network and continue to provide essential emergency communications linkages for CAL FIRE'S fire protection and emergency response command and control throughout the State. On behalf of California Department of General Services (DGS), the CEQA lead agency, Aspen assisted with the environmental permitting and surveys at the following 7 CAL FIRE communications facilities: Sierra Vista in Calaveras; Mount Oso in Stanislaus; Chalk Mountain in Santa Cruz; Pratt Mountain and Mount Pierce in Humboldt; Bunchgrass in Shasta; and Banner Mountain in Nevada Counties. 

Aspen prepared an EIR on behalf of the Port of Long Beach (POLB). Southern California Edison (SCE) proposes to replace a series of transmission towers that cross the Cerritos Channel within the POLB and replace them with taller towers to provide sufficient vertical clearance for safe navigation of larger ships.

Aspen prepared a Mitigated Negative Declaration for the replacement of the existing Sacramento Mountain tele­com­munications facility with a new enhanced radio communications system at Sawtooth Ridge located 12 miles south-southwest of Needles, California.

Ribost Terminal LLC, DBA World Oil Terminals (World Oil) proposes to construct and operate two new 25,000-barrel internal floating roof petroleum storage tanks within the existing World Oil Terminal within the Northeast Harbor Planning District (District 2) at the Port of Long Beach.

Aspen prepared an environmental impact report (EIR) for a project consisting of the installation of four fiber-optic cable systems across the Pacific Ocean. The cable systems will connect the United States to various Pacific Rim locations, such as Southeast Asia, China, Australia, and Japan.

In 2019, Aspen was awarded a three-year $3.0 million on-call contract by the City of Los Angeles, acting by and through its Board of Harbor Commissioners to provide as-needed environmental documentation and special environmental services for projects associated with the Port of Los Angeles (POLA).

Under contract with the Mountains Recreation and Conservation Authority (MRCA), Aspen provided CEQA-compliance support, including project scoping and alternative site analysis, for development of a day use, camping, and trailhead recreational facility in Puerco Canyon, located in the Santa Monica Mountains just north of the City of Malibu.

Total Terminals International (TTI) submitted an “Application for Harbor Development Permit or California Environmental Quality Act Determination” (Application) to the Port of Long Beach (POLB) to construct and operate the TTI Grain Export Terminal Installation Project.

Heavy rains and high flows in the Arroyo Las Posas, near Moorpark, California, eroded away an approximately 500 foot section of the northern bank of the Arroyo in the winter of 2005.