Wastewater Treatment Plant Renovation – Martinsville, Indiana

This project was necessary in order to meet the ammonia-nitrogen removal limits required by the plant’s new NPDES permit.

Project Highlights:
  • Project Cost $7.5M; Construction Cost $6.6M
  • Planning, design, construction engineering, construction observation
  • Treatment processes designed to reduce effluent ammonia
  • New peak capacity of 6.25 MGD
  • Financed with low interest IDEM SRF program
  • Utilized existing tanks as part of construction
  • New headworks facility with fine screening and grit removal
  • Conversion of the existing package plants entirely to aeration
  • Two new clarifiers, a sludge return pump station
  • A new inline UV disinfection system
  • New parshall flume metering structure and aerobic sludge digester tanks to supplement the existing biosolids facilities (belt press)
  • Major renovation of a lift station
  • New laboratory and control building


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