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Underground Stormwater Detention and Infiltration 

Our underground systems offer you flexibility and customization for either detention or infiltration applications – metal, concrete, and plastic systems are available.

Belowgrade Detention IconDetention systems are employed on a site to reduce the quantity of stormwater runoff leaving a site by temporarily storing the runoff that exceeds a site’s allowable discharge rate, and releasing it slowly over time.

 

Underground Infiltration SystemInfiltration systems are incorporated to reduce the volume of stormwater runoff being discharged from a site. This runoff reduction strategy is a major part of a low impact development design.

Detention / Infiltration Systems

CMP Detention and Infiltration System

Corrugated Metal Pipe (CMP) >>
Versatile, flexible, cost-effective, CMP is an ideal choice for detention and infiltration.

CMP Detention - University Blvd Dallas TX

ChamberMaxx

ChamberMaxx >>
Open-bottom polyethylene chambers economically infiltrate runoff and optmize storage on shallow sites.

ChamberMaxx - Indiana Hospital

DuroMaxx SRPE Detention System

DuroMaxx >>
Steel-reinforeced polyethylene pipe has multiple joint types available, including watertight to fit your project requirements.  

DuroMaxx Detention Puyallup WA

CON/SPAN Concrete Arch Detention System

CON/SPAN >>
Precast concrete system with a wide range of span and rise combinations available.

CONSPAN Detention

StormTrap >>
Modular, precast concrete system for flexible, cost-effective detention and infiltration. Available in select western regions. Please contact your local sales representative.

 StormTrap Detention

CON/STORM Concrete Arch Detention System

CON/STORM >>
Modular, precast concrete system designed for shallow applications.

CONSTORM

 

Flow Control Products

Vortechs Flow Control Valves

Vortex Valves >>

Control the discharge flow rate from drainage,
storage attenuation and infiltration systems

StormGate Flow Control

StormGate Flow Control >>

Reduce high energy flow of runoff prior
to water quality treatment system

 
 

UrbanGreen Stormwater Solutions from CONTECH