Wetland Permitting and Delineation

Davey Resource Group helps navigate federal, state and local regulations enacted to protect wetlands and waterways. As a component of site identification and due diligence, DRG scientists will identify all regulated streams and wetlands on a site.

DRG’s experienced team will complete the proper applications to ensure general or individual permits are obtained in a timely manner, helping to avoid expensive delays.

DRG has extensive permitting experience across the country with a variety of projects, ranging from single-family homes to large residential subdivisions, and from oil and gas pipeline construction to the development of hospitals and other commercial properties.

Specifically, DRG can provide expert assistance with:

  • Wetland and stream delineations
  • Water resource quality assessments 
  • Section 404, Section 401 and Isolated wetland permitting
  • Wetland mitigation design and monitoring 
  • Expert witness testimony
  • Environmental monitoring data organization and analysis
  • Surveys and management plans
  • Geospatial analysis, modeling and design
  • Riparian buffer evaluations and functional assessments
  • Remote sensing and land cover mapping


DRG’s staff has a deep understanding of the Clean Water Act. In particular, our experts are well-versed with Section 404, allowing the U.S. Army Corps of Engineers to grant permits for dredge and fill activities within Waters of the U.S. , and Section 401, which gives the state environmental agencies  authority to ensure that  a project does not  negatively effect water quality.


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