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Retention/Detention Systems

Storm water retention and detention systems are present in the industry as either above ground ponds or as subsurface piping. The former is the least expensive method, though it is the most inefficient use of developable land, is prone to early siltation and clogging, and poses long term aesthetic problems such as insect breeding, weed growth and odor and refuse issues. By comparison, subsurface retention detention systems use available land efficiently while introducing low maintenance costs and posing little or no aesthetic problems.

ADS has taken the lead in the retention/detention design and installation. From specially designed systems that hold more than a million gallons under a huge shopping center, to systems that fit in the smallest of footprints, ADS can help you meet stringent environmental or regulatory requirements for management of storm water.


Retention/Detention Calculator
Design calculator to assist you in creating your next pipe storm water management system.
(MS Excel)

If problems occur while opening the MS EXCEL file, try saving the file first, then opening.
To ensure accuracy, always check to see that you have the most current version of the Retention/Detention Calculator from the website.


ADS Design Pro Retention/Detention Design Tool
An on-line program for designing storm water retention/detention systems including pipe or storm water chambers which can be shared with others and also saved for future reference.

ADS Retention/Detention Systems Products

  • StormTech® Chambers
    StormTech chambers are carefully engineered to meet the demands of subsurface storm water management applications. StormTech chambers provide optimal underground retention and detention solutions for storm water runoff. The StormTech chambers are certified to CSA B184.2
  • N-12® Pipe Retention / Detention Systems
    The N-12 pipe underground retention/ detention system utilizes subsurface pipe that detains storm water and releases it either through a controlled outlet or holds it until the surrounding soil can accept it.
  • N-12 MEGA GREEN™
    Offering a minimum recycled content of 40%, ADS MEGA GREEN HDPE pipe is the developer's and designer's choice for "green projects", helping you meet LEED requirements.
  • Geotextiles
    Matching the right fabric to a specific application is paramount for the success of any project. In partnership with Propex fabrics ADS provides the widest variety of woven and non-woven geotextiles in the industry to meet drainage, separation, stabilization and soil reinforcement needs.