John Metrailer, P.E. - Senior Engineer


M.S. Environmental Engineering, University of Arkansas

B.S. Natural Resources, University of the South


P.E. Arkansas

Rosgen Level 2 Certification


6 years of civil engineering experience and 9 years of environmental experience

  • Experience in waterline and sewer line relocations, water and wastewater treatment plant design, pump station design, water source studies, and utility master plan studies.
  • Experience in landfill leachate remediation and agency coordination.
  • Experience in campsite renovation including site grading, utilities, roads, ADA access and campsites at DeGray Lake State Park; also designed a new bridge at the Ed Banks crossing on the Cossatot River.
  • Experience in process water reuse.  Prepared design and specifications for pumping, filtration, and distribution network for Superior Graphite in Russellville, Arkansas.
  • Environmental consulting experience includes vegetation, stream, and lake monitoring, wetland and stream delineation, GPS collection and processing, natural resource investigation, Threatened and Endangered species surveying, waste and borrow pit evaluation, groundwater well monitoring, sedimentation and erosion control monitoring, submerged aquatic vegetation surveying, and report preparation.
  • Performs wetland delineations and prepares Nationwide Permits.
  • Prepares design and specifications for municipal gravity sewer line collection systems.
  • Prepares design and specifications for municipal pressurized water line distribution systems.
  • Performed construction observation for Lion Oil Company, including daily coordination, preparing activity logs and oversight.
  • Experience in landfill leachate collection system design and landfill cell and final cap design.