LONGVIEW INDUSTRIAL FACILITY

Client: Sand & Gravel Facility

Location: Longview, WA

About Our Project

This sand and gravel facility is located in an area of Western Washington that receives more than 60 inches of rainfall per year and subsequently the facility generates nearly 13,000,000 gallons of stormwater runoff per year.  The facility implemented both Level I and Level II stormwater controls and a basic filtration system but were unable to achieve compliance with permit benchmarks.  Clear Creek conducted a site visit and bench scale treatability testing, then provided a summary report with recommendations for installation of an upgraded stormwater treatment system.

Clear Creek worked directly with the facility Environmental Manager to develop a compliance strategy that would achieve the site water quality targets while limiting overall cost.  Clear Creek provided treatment system design services which included infrastructure improvements, electrical upgrades, and pretreatment measures.  Clear Creek installed a chitosan enhanced sand filtration system capable of 400 gpm to meet the treatment capacity and permit benchmark requirements.

 

Project Highlights

  • Site Evaluation & Permitting Assistance
  • Infrastructure Improvement Design
  • Water Treatment System Design
  • Custom Equipment Fabrication
  • System Maintenance & Monitoring

Technology Provided

  • Chitosan Enhanced Sand Filtration
  • 400 gallons-per-minute
  • System Automation & SCADA Capabilities

Project Statistics

  • 8 – Acre Site
  • Discharge to Surface Waters
  • Pollutants:  TSS, Turbidity, Cu & Zn
  • Commissioned in 2016

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