Berg Oliver: A full-service environmental science firm

Berg♦Oliver Associates, Inc. (Berg♦Oliver) is a full-service environmental science firm, established in 1990, with proven experience devoted entirely to the field of Environmental Consulting Services. Over the years, the firm has remained focused on understanding the complex federal, state, and local environmental regulations that affect the business interests of its clients. This high level of experience provides our clientele with access to a thorough understanding of environmental assessment, compliance, and mitigation. Berg♦Oliver focuses on providing high-quality, cost-effective, and timely service to satisfy specific client needs.

Berg♦Oliver professionals include Registered Environmental Managers (REM), Biologists, Wildlife Biologists, Soil Scientists, Registered Safety Officers, and a Professional Geologist (PG).

Berg♦Oliver, with over 29 years of experience in natural resources, has provided viable solutions to our clients on thousands of private and public projects. The natural resource professionals at Berg♦Oliver have a wide breadth of knowledge and experience spanning various natural resource disciplines, including wetland delineation and permitting, mitigation planning, habitat management, and Threatened & Endangered Species Assessment. The longevity of the firm in the environmental consulting field has allowed Berg♦Oliver to create and sustain strong long-term relationships with numerous government agencies, including the U.S. Army Corps of Engineers (USACE), Environmental Protection Agency (EPA), U.S. Fish and Wildlife Service (USFWS), and Texas Parks and Wildlife Department (TPWD). Berg♦Oliver is a recognized industry leader in providing accurate assessments for wetlands, designing mitigation systems, expediting permitting, and providing alternatives that minimize project costs and time delays.

Berg♦Oliver offers all site investigation services from assessment to remediation. All Phase I Environmental Site Assessments are performed to standard practice guidelines published in ASTM E1527-13 and qualify for the innocent landowner defense specified in CERCLA. The firm's professionals have extensive experience in providing Phase II and III environmental services, including characterization and delineation, site remediation, groundwater monitoring, and closures through the regulating entity. They are involved daily in the intricacies of state and federal environmental agencies and regulations, and their understanding of the regulations is complemented by their knowledge of the regulatory agencies’ staffs and protocols.

Transportation and related mobility issues are at the forefront of public concern. Berg♦Oliver’s understanding of local, state, and federal environmental regulatory compliance and its knowledge of potential transportation issues are key factors in assisting clients with successfully meeting project goals. For various agencies, including state agencies, counties, cities, mass transit agencies, railroads, and ports, the firm provides appropriate environmental assessment documentation to expedite construction of transportation and public works projects.

Berg♦Oliver offers services in the following areas:


  • Air Quality Assessment
  • Damage Assessment
  • Ecological Research
  • Environmental Risk Assessment
  • Expert Witness Testimony
  • FERC Pipeline Assessment
  • GPS Mapping and Analysis
  • Natural Resource Investigation & Permitting
  • Noise Abatement Assessment
  • Remediation & Clean-Up
  • Site Investigation & Inspection
  • Spill Prevention Planning
  • Water Quality Testing
  • Wet 2.0 Analysis for Mitigation Banking


Hazardous Materials Management

  • Phase I Environmental Site Assessment
  • Phase II Site Investigation and Characterization
  • Phase III Clean-Up and Remediation
  • Risk Assessment and Feasibility Evaluation



  • Environmental Impact Statement (EIS)
  • Environmental Assessment (EA)
  • Categorical Exclusion (CE)
  • Pipeline Right-of-Way Assessment
  • Constraints Mapping
  • NEPA Compliance Assessment
  • Public Involvement Service
  • Noise Analysis


Wetland and Natural Resources

  • Geologic Assessment
  • Water Pollution Abatement Planning
  • Wetland Due Diligence Investigation
  • Wetland Delineation & Mitigation
  • Coastal Zone Coordination
  • Mitigation & Restoration
  • Threatened & Endangered Species Assessment
  • Archeology & Cultural Resource Assessment
  • Biological and Physiological Assessment
  • Natural Resources Impact Assessment
  • Natural/Biologic/Cultural Resource Master Planning
  • Wetland Mitigation Banking