Picture of Eric Hahn

Eric Hahn

Project Manager & Senior Engineer


Eric has over 15 years of diverse experience in dam and reservoir, water conveyance, and flood control projects.  His experience includes the evaluation and design of spillways, outlet works, diversion structures, pump stations, pipelines, and open channels.  Eric joined RJH in 2007 and has served in key technical and project managements roles for over 20 projects that have been approved by various regulatory agencies. His deliverables include hydrology reports; dam breach analysis reports; design reports; and construction drawings and specifications for outlet works, spillways, and other hydraulic structures.

Eric graduated from the University of Tennessee with a B.S. in Civil and Environmental Engineering and Purdue University with an M.S. in Civil Engineering with a focus in hydraulics and hydrology.  He is a registered professional engineer in Colorado and New Mexico.


  • Project management
  • Hydrology and hydraulics
  • Civil design and layout
  • Dam safety permitting
  • Hydraulic structures
  • Construction services