Environmental Engineering

Permitting, Erosion Control & Sound Analysis

Environmental Engineering: Permitting, Erosion Control & Sound Analysis


  • -Erosion & Drainage: Surge/Scour Analysis
  • -NPDES Permitting
  • -Water Management: Fish Passage/Culvert Design
  • -Stream Surveys
  • -Treatment: Process Treatment Pond Design
  • -Soil & Foundation Evaluation
  • -Noise: Sound Attenuation Analysis/Design
  • -Geohazard Assessment
  • -Groundwater Flow Analysis

Navigating environmental compliance and mitigating ecological impact requires specialized expertise. We provide critical services like NPDES Permitting and the development of Certified Erosion Sediment Control Lead plans. Our team conducts detailed Stream Surveys and Sound Attenuation Analysis to keep your project compliant and minimize its footprint.






You can rely on us for specialized services, including Process Treatment Pond Design and Fish Passage/Culvert Design.

Bell Design Company, Bingen, Wa

Contact Information

Located in the beautiful Columbia River Gorge, we service the metro Portland area, as well as much of Washington and Oregon. Stop by our office, or call our Client Services Manager Allison Cooper today! Our business hours are 8:00AM-5:00PM