Plan Highlights

Current Terre Haute Long Term Control Plan (LTCP)
  • Originally submitted and approved in 2011
  • Amended in 2014 to replace storage lagoons with a high-rate treatment facility
  • 20 year plan to reduce Combined Sewer Overflows (CSO) to Wabash River from 37 to 7 per year

Projects Completed:
  • Upgrade Wastewater Treatment Facility
  • 009/010 Floatables Control
  • 004/011 Floatable Control
  • 33 MGD High Rate Treatment (HRT) Facility
  • Consolidate 009/010
  • Large Sewer Rehabilitation
  • Green Infrastructure Pilot Project (City Hall Parking Lot)

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The City has submitted a new proposed Long Term Control Plan to IDEM for review. 

The key features of the proposed LTCP are:

  • This plan will maintain the reduction from 37 overflows to 7 overflows
  • Proposed 30 year timeline for completion
  • Integrated planning to combine financing for both LTCP projects and projects related to storm and sanitary sewer
  • New route proposed for parallel interceptor sewer to save cost
  • More integrated green infrastructure to reduce burden on combined sewers
  • 96 MGD main lift station
  • Walnut Street outfall is proposed to stay in use
  • Additional 16.5-33 MGD High Rate Treatment (HRT) Facility