Our Work

R 9 Paradise Lake Road, Maltby, WA

SR 9 Paradise Lake Road, Maltby, WA

Springbrook Mitigation Site, Renton, WA

Springbrook Mitigation Site, Renton, WA

SeaTac Airport 3rd Runway Off Site Mitigation

Sea-Tac Airport 3rd Runway Off Site Mitigation

R 18 Maple Valley to Hobart Interchange, Maple Valley, WA

SR 18 Maple Valley to Hobart Interchange, Maple Valley, WA

A Street, Wetland Mitigation, Auburn, WA

A Street, Wetland Mitigation, Auburn, WA

Wetland Mitigation

Terra Dynamics were pioneers in wetland mitigation, installing the first-ever wetland designed by WSDOT in 1987. Since then, we have completed many of the largest mitigation projects in the Pacific Northwest. We provide remediation and installation that meets, and many times exceeds, mitigation plan permit performance standards. Our work allows micro-ecology to flourish and is often referenced by consultants and engineers.

Featured Projects

  • Springbrook Wetland (84 acres) Renton, WA. WSDOT owner.
  • 3rd Runway Expansion (120 acres) SeaTac & Auburn, WA. Port of Seattle owner.
  • SR18 Maple Valley to lss/Hobart Rd. (55 acres) Auburn, WA. WSDOT owner.
  • Land Recovery Inc. (51 acres) Graham, WA. Land Recovery Inc. owner.