IDS can determine the existing and developed drainage conditions, and evaluate the alternatives for stormwater discharge consistent with local drainage regulations, including requirements for stormwater treatment and detention. We can also delineate the existing floodplain and determine the alternatives for modifying the existing and documenting such changes through the Federal Emergency Management Agency (FEMA) process. 

Our District stormwater collection, detention, treatment, and outfall drainage system services include: 

  • Master Drainage Plans
  • Hydrologic and Hydraulic Modeling 
  • FEMA Letters of Map Amendment and Map Revision (LOMA/LOMR)
  • Stormwater Detention Basins (gravity, pumped, dry, or wet bottom)
  • Stormwater Pump Stations
  • Stormwater Quality Treatment Basins
  • MS4 Stormwater Quality Permitting and Management Plans
  • Storm Sewer Collection Systems
  • Storm Sewer and Manhole Inspection/Rehabilitation