🎓 Lesson 11 D5

Storage-Indication Routing for Detention Basins

Storage-indication routing is a method to figure out how much water a detention basin will hold and release over time during a storm, by matching inflow with outflow using the basin’s storage characteristics.

🎯 Learning Objectives

  • Calculate outflow hydrograph ordinates using the storage-indication equation for a given inflow hydrograph and stage–storage–discharge data
  • Design a detention basin’s outlet structure (e.g., weir/orifice) to meet peak discharge reduction targets
  • Analyze how basin geometry affects routing performance by interpreting stage–storage and stage–discharge curves
  • Explain the assumptions and limitations of storage-indication routing compared to dynamic routing methods

📖 Why This Matters

📋 Case Connection

📋 Industrial Park Stormwater Master Plan in Indianapolis, IN

Achieving 90% annual phosphorus load reduction while accommodating truck traffic and hazardous material spill containmen...

📋 Mountainous Ski Resort Stormwater Retrofit in Aspen, CO

Preventing erosion and sediment delivery to Roaring Fork River (Class I trout stream) under high-intensity snowmelt puls...

📚 References