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Cramer Fish Sciences: Services, Hydro/Water Development   Innovative Scientific Solutions for Fisheries and Environmental Challenges  
Cramer Fish Sciences
"Cramer Fish Sciences has played an important role in helping PGE define and resolve several difficult fisheries issues in our relicensing processes for both the Deschutes and Clackamas River projects. In the Deschutes Basin, they provided a credible basis for predicting how many steelhead could be supported upstream of the project. In the Clackamas River, CFS provided a credible basis for estimating impacts and mitigation credits for salmon and steelhead related to small changes in stream temperature."
John Esler
Portland General Electric (PGE)



Balancing Water Demands with Fish Needs



Sources of clean, renewable energy are becoming increasingly more valuable as is developing water resources for sustainable agriculture, municipal water supply, and other beneficial uses. Our scientists have extensive experience reconciling water use with fish needs.

Cramer Fish Sciences uses scientific analysis and industry experience to help hydropower and water development interests. We identify operations that reduce impacts on fish populations, develop effective mitigation programs, and help our clients navigate regulatory hurdles. Our areas of expertise include:

Regulatory Compliance

  • FERC relicensing
  • ESA Section 7 and 10
  • Cleanwater Act and 404/401
  • NEPA and state equivalents


  • Population viability analysis
  • Habitat capacity analysis
  • Growth and bioenergetics
  • Limiting factors analysis


  • Fish passage
  • Flow benefits
  • Water quality
  • Hatchery programs
  • Habitat restoration


  • Fish growth, survival and abundance
  • Habitat suitability measurement
  • PIT tag monitoring/telemetry
  • Fish passage timing and survival
  • Stream temperature monitoring

Web site designed by Steve Williamson

Cramer Fish Sciences
600 NW Fariss Rd., Gresham, OR 97030
(877) 977-0102 Toll Free, (503) 465-1940 Fax
Oregon - California - Washington - Idaho - Montana - Alaska

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