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Charles Wisdom, Ph.D.

Charlie Wisdom is a Senior Consultant based in Washington with more than 25 years of experience focused on private practice and academia addressing the effects of human activities on water quality through the assessment of toxicity and fate and transport of metals, polycyclic aromatic hydrocarbons (PAHs), pesticides, and other organic contaminants.

Among Charlie's key strengths are his broad experience and knowledge of the scientific underpinnings of water quality and aquatic toxicology and the application of these principles in determining regulatory compliance and in establishing goals for environmental protection and cleanup. His client consultations on stormwater impacts are characterized by his application of state of the practice science that leads to cost-effective treatment approaches and compliance strategies that meet regulatory requirements.

Following guidelines set by the U.S. Environmental Protection Agency, Environment Canadian, and the Organization for Economic Co-operation and Development (OECD) in Europe for the exposure of fish, birds, mammals, and humans to chemicals, physical effects, and habitat modifications, Charlie conducts ecological risk assessments for public utilities and mining companies. He has applied ecological risk assessment approaches in determining Natural Resource Damage Assessments and cleanup plans regulated under the Comprehensive Environmental Response, Compensation, and Liability Act.

As a consultant, Charlie provides law firms, state and federal agencies, cities and counties, mining companies, and a broad array of industrial clients with a comprehensive suite of unique and tailored water quality solutions. Building on his experience and insights into water quality, Charlie frequently provides expert witness testimony in support of public utilities and private companies involved in Clean Water Act litigation or that must comply with permit regulations under the National Pollutant Discharge Elimination System (NPDES) permit program. Charlie also assists industry groups and municipalities in providing review and commentary on proposed federal regulations and actions.

To advance the state of the practice, Charlie continues his research, publication, and application of best available science, such as the Biotic Ligand Model, to provide his clients both cost-effective and environmentally protective treatment goals for stormwater and wastewater discharges.

Contact Charlie Wisdom at This email address is being protected from spambots. You need JavaScript enabled to view it. or +1-206-496-1450.

Career Summary: Charles Wisdom, Ph.D.

  • Education: Ph.D., Chemical Ecology, University of California, Irvine, 1982; B.A., Biology, University of California, San Diego, 1977
  • Practice Areas: Contaminated Site Assessment and Cleanup, Water and Natural Resources
  • Disciplines: Toxicological Sciences, Natural Resources and Ecological Sciences, Water Resources Sciences
  • Specialties: Watershed and Stormwater Management; Risk Assessment and Applied Toxicology; Water and Natural Resources Conservation and Restoration; Sediment Assessment and Remediation
Geosyntec Consultants
Geosyntec is a specialized consulting and engineering firm that works with private and public sector clients to address new ventures and complex problems involving our environment, natural resources, and civil infrastructure.

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