About People

Adam Crispin

Adam Crispin, PWS

Senior Biologist

Adam is a senior biologist with 12 years of wetland and stream experience throughout the western United States. Adam’s wide range of expertise includes riparian habitat restoration, population monitoring for ESA-listed fish species, hydrologic monitoring, and water quality monitoring. Adam’s regional expertise ranges from the coastal environments of the Puget Sound to the mountains of eastern Washington.

Adam possesses extensive knowledge of both wetland and upland plants, including species in arid climates. He prepares Biological Assessments/ Evaluations (BAs/BEs) in accordance with NEPA requirements to define project actions, analyze the effected environment, and describe cumulative impacts on aquatic and terrestrial species. Adam’s expertise in aquatic resources and advanced trainings in wetland identification enable him to provide reliable support to development and mitigation projects that require timely regulatory approval. He is also a certified forage fish biologist. 


  • MS, Environmental Science/Aquatic Ecology, Western Washington University, 2022
  • BS, Biology, Cal Poly Humboldt, 2010 


  • Professional Wetland Scientist
  • WDFW Forage Fish Biologist 


  • American Fisheries Society
  • Society of Wetland Scientists
  • Society of Freshwater Scientists 

Practice Area

Natural Resources

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