Storm water quality

Inlet Protection
FLeXstorm Inlet Filters are the preferred choice for inlet protection and storm water sediment control. Whether you're the specifier or the user, it's clear to see the benefits of FLeXstorm Inlet Filters:


  • On TDOT Qualified Products List for Inlet Protection
  • Spend less - FleXstorm Inlet Filters are the lowest cost alternative for the highest level of Inlet Protection
  • Reduce jobsite flooding and keep projects running
  • Minimize residential complaints with cleaner, dryer streets during all construction phases
  • Prevent hazardous road icing conditions by eliminating ponding at curb inlets
  • Significantly reduce cleanup costs (eliminate manual clean outs and/or costly vactor trucks)
  • Prevent siltation and pollution of rivers, lakes, and ponds (especially within the development)
  • Transfer Inlet Filters from phase to phase and project to project; they’re reusable
  • Satisfy EPA’s NPDES Phase II directives with a sound structural BMP practice.

Catch Basin Inserts

  • FlexStorm – Post Construction
    • Sizes available for Curb Inlets and Area Drains.
    • Approved for use in most regulatory regions of East TN.
    • Call to inquire (865) 637-0069.

Structural BMP’s

  • We carry multiple products that will meet any regulatory agency.
  • Hydrodynamic Separators
  • Filtration Units
  • For design help and recommendations, call (865) 637-0069.


Visit our projects page for examples of our work.


Superior Drainage Products
3131 East Gov. John Sevier Hwy
Knoxville, TN 37914
Phone: (865) 637-0069
Fax: (865) 637-0102