HDL’s Environmental Services Department brings a wide range of expertise in aiding our clients in the National Environmental Policy Act (NEPA) process and development of NEPA documentation. In addition, our detailed permit applications, coupled with our knowledge of local resources and positive relationships with the agencies, facilitate timely permit approvals and clearances for our clients’ projects. We have extensive experience developing Categorical Exclusions and Environmental Assessments for federally funded projects as well as State Environmental Checklists for state funded projects. We provide a proactive approach to the development of environmental documentation to ensure your project does not experience unnecessary delay.

Key Services

  • National Environmental Policy Act Documentation Development
  • Section 106 of the National Historic Preservation Act Support
  • Section 7 Consultation Support
  • Environmental Studies and Consultation
  • Phase I Environmental Site Assessments
  • Environmental Planning
  • Environmental Permitting
  • Vegetation Assessment & Monitoring
  • Geographic Information System Development
  • Storm Water Pollution Prevention Plan Development
  • Highway Traffic Noise Analysis
  • Aviation Noise Analysis
  • Wetlands Delineation & Functions and Values Assessments