Indirect and cumulative impacts

Legal requirements

Council on Environmental Quality Regulations (CEQ)

Considering cumulative effects under the National Environmental Policy Act (NEPA) is intended to assist agencies with analyzing cumulative effects during the NEPA process. It includes general principles, common cumulative effects assessment methodologies, resources for additional information, and background data.

FDM references

  • FDM 25-5-17 indirect and cumulative effects of projects
  • FDM 25-10-1 impact identification (resource identification)
  • FDM 25-15-1 impact evaluation (use of a community profile)
  • FDM 25-15-5 adaptation of the community profile to screening worksheets
  • FDM 25-20-1 impact mitigation