RH2 offers expert regulatory interpretation as well as permitting assistance and facilitation.


  • Characterization and Regulatory Typing
  • Delineations
  • Functional Assessment
  • GIS Mapping
  • Mitigation and Restoration Design
  • Permit Assistance
  • Compliance Monitoring


  • Salmonid Habitat
  • Life History and Restoration
  • Instream Flow
  • Water Quality
  • Endangered Species Act (ESA) Compliance
  • Fish passage

Water Budgets

Water Quality

  • Turbidity and Suspended Solids
  • Water Temperature, Conductivity and pH
  • Dissolved Oxygen
  • Coliform Bacteria
  • Nutrients
  • VOCs

GIS Mapping

  • Water Budget Analysis
  • Climate and Precipitation Trends
  • Wellhead Protection
  • Water Quality
  • Land Use Planning
  • Wetlands, Streams, Buffers, Steep Slopes, Shorelines
  • Salmon Habitat Inventory

Latest News

  • Jon Conner Now a Licensed S.E.
    January 28, 2014

    RH2 is proud to announce that Jon Conner has passed the Professional Structural Engineering exam and is our newest licensed SE!

  • Port of Vancouver selects RH2 to provide On-Call Engineering Services
    January 28, 2014

    RH2 is excited to have the privilege to work for the 3rd largest port authority in Washington State.

  • RH2 Employees Now Certified Water Rights Examiners
    September 5, 2013

    Andy Dunn and Don Popoff have passed the examination to become Certified Water Rights Examiners (CWRE) in the State of Washington. They are fully certified. CWRE’s can be hired by water right holders to perform work necessary to allow the holder of either a water right permit or a change authorization to advance to the […]