Land Use, Environmental Compliance and Geosciences

Sespe Consulting

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Our Sespe Consulting website has a new home at Trinity Consultants - thanks for visiting!

Why Work With Us

Our team brings decades of combined experience in environmental, engineering, and planning disciplines, strengthening Trinity’s capabilities in land use planning for complex capital projects and expanding the firm’s presence with offices in Ventura, San Diego, and Oregon.

We support both public- and private-sector clients, delivering specialized expertise in land use planning, environmental permitting and compliance, and worker safety. Since joining Trinity in 2021, our team of experienced engineers, planners, geologists, and scientists has enhanced Trinity’s ability to provide integrated, multidisciplinary solutions that address the regulatory, technical, and operational challenges of projects across the West Coast.

25+

Experts

20 yrs

Avg. Technical Experience

1 Focus

Delivery Excellence

Our Commitment to Excellence

Industry Experience
Industries we serve include real estate development, waterfront development, mining and construction materials, agriculture, medical/hospital projects, manufacturing, oil and gas, and more.
Technical Expertise
Our technical staff compliments Trinity's existing expertise and has an average of over 20 years of environmental, engineering, and planning experience; ensuring your project will be handled by a knowledgeable team.
Our Culture
With an entrepreneurial spirit and a commitment to excellence, our experienced team delivers successful projects built on trust, accountability, and unmatched technical expertise.

Surface Mining and Reclamation Act

Our staff has many years of experience working for the mining and construction materials industries. With experience working for multinational companies as well as local family-owned facilities, Sespe has developed an extensive understanding of the processes and equipment used at mining and construction materials facilities, as well as their unique regulatory environment. Sespe provides the following mining and construction materials services:

  • Construction material, industrial mineral, and metal mining facility support
  • Concrete and asphalt production facility support
  • Mining and Reclamation Plans
  • Due Diligence
  • SMARA Compliance
  • Financial Assurance Cost Estimates
  • Resource and Reserve Estimates
  • Environmental, Health, and Safety Compliance Support

Geologic and Hydrogeologic Services

Our consultants offer a broad range of professional geologic and hydrogeologic services in support of various permit applications, CEQA document preparation, and regulatory compliance, as well as discrete site assessment and characterization studies. Combined, our team brings more than fifty years of applied experience in the earth sciences, assisting clients in both the public and private sectors.
  • Geologic Site Investigation and Analysis
  • Aquifer Testing and Parameterization
  • Soil Sampling and Analysis
  • Comprehensive Groundwater and Surface Water Studies
  • Remedial Investigation/Feasibility Studies (RI/FS)
  • Well Siting and Design
  • Fracture Trace Analysis
  • Water Quality Monitoring
  • Geologic and Mineral (Metallic and Non-Metallic) Deposit Resource Assessment, Delineation and Estimation
  • Contaminant Plume Identification and Characterization
  • Environmental Forensics Support Services
  • Sampling and Analysis and Quality Assurance Project Plans

Civil & Water Resources Engineering

Our consultants provide practical civil and water resources engineering solutions for mining, industrial, energy, and land development projects. Our expertise includes grading and reclamation design, drainage and stormwater systems, and hydrologic and hydraulic analyses that support permitting, compliance, and long term operations.
Environmental Consulting Environmental Consulting
Water & Ecology Water & Ecology
Built Environment Built Environment
Life Sciences Life Sciences

San Diego

Office Leader

Scott Cohen
Scott Cohen
Manager of Consulting Services
Environmental Consulting
3990 Old Town Ave
Suite A203
San Diego, California 92110

Ventura

Office Leader

Joe King
Joe King
Principal Consultant
Environmental Consulting
John Hecht
John Hecht
Principal Consultant / Principal Consultant
Environmental Consulting
374 Poli Street
Suite 200
Ventura, California 93001