Wastewater Treatment Plant Outfall Replacement

City of Lynden
Washington

About

BHC’s design of a new single-port side-bank outfall included Nooksack River modeling, scour analysis, effluent mixing zone calculations; streambank protection; and restoration and mitigation plantings. The project was funded through the Department of Ecology SRF program. Complex multi-agency permitting was required including SEPA, cultural resources, US Army Corps of Engineers 404 permit with formal consultation, a Hydraulic Permit Approval from Washington Department of Fish and Wildlife, and a Department of Natural Resources Aquatic Lands Lease.

Features:

  • New side-bank outfall with streambank protection and restoration design.
  • Complex multi-agency permitting and mitigation
  • Ecology SRF funded project
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