Tetra Tech is a leading provider of emergency management services, including disaster response and recovery. We have the experience, expertise, and resources to assist both public and private sector clients in addressing the entire continuum of devastating impacts of manmade and natural events. Our expertise includes preparedness, mitigation, response, and recovery. Tetra Tech has successfully completed thousands of projects for more than 400 clients in 44 states throughout the United States.

Pre-disaster support

Our disaster preparedness strategies during steady-state conditions include:

  • Developing and applying technology to better inform clients about the wide array of hazards they face
  • Prioritizing, scoping, and implementing projects designed to mitigate risks
  • Planning, training, and exercising public safety professionals to enhance their readiness to respond
  • Engaging communities and conducting public relations
Post-disaster management support

Tetra Tech develops and uses advanced technologies to provide fast, efficient, and cost-effective solutions to recovering communities. Tetra Tech has assisted clients with obtaining and managing more than $6 billion in post-disaster grants; monitored removal of more than 120 million cubic yards of disaster debris; and conducted more than 40,000 HUD-required Tier 2 environmental reviews.


  • Disaster-specific response planning
  • General population and functional needs evacuation and shelter planning
  • Flood warning and emergency evacuation planning
  • Emergency management training for multiple public safety disciplines
  • Emergency operations drills and table-top and full-scale exercises
  • Access and functional needs consulting
  • Threat Hazard Identification and Risk Assessment (THIRA) development
  • Incident Command System (ICS) Training
  • Strategic communications planning


  • Hazard mitigation planning
  • Loss avoidance studies
  • FEMA Community Rating System (CRS) consulting
  • Floodplain management studies and analyses
  • Levee and dam inspection and management
  • Climate adaptation planning
  • Public outreach via events, TV, radio, and digital platforms
  • Comprehensive and master community planning
  • Land use and zoning policy and plan development


  • Disaster operations staff augmentation (Emergency Operations Center [EOC] or field support)
  • Debris management and monitoring
  • Environmental and spill response
  • Time-critical critical infrastructure repair (e.g., water, wastewater, energy, utility, and transportation systems)
  • Incident action planning
  • Common operating picture development
  • Incident command system report
  • Media and community relations and crisis communications

Short-term Recovery

  • Infrastructure and residential damage assessment
  • FEMA Public Assistance grant administration and consulting
  • Hazard Mitigation Grant Program (HMGP) application and program administration
  • Economic redevelopment program planning
  • Community engagement to develop implementation strategies and build operational capacity
  • Housing and Urban Development (HUD) Community Development Block Grant-Disaster Recovery (CDBG-DR) consulting (program management, environmental review, eligibility analysis, and reporting)

Long-term Recovery

  • Water and wastewater infrastructure design and construction
  • Flood control and green infrastructure design and construction
  • Public safety facility design and construction
  • Structural elevation design and implementation
  • Transportation system design and construction
  • Facilitation of public workshops with community planners, architects, and developers
  • Property buyout program administration