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The SEL Source Control System is a complete Sustainable Drainage System (SUDS) that has been developed in line with current guidelines as set out by CIRIA, the Environment Agency and SEPA.

What are SUDS?

The main design principle of the System is Source Control, a cornerstone of good Sustainable Design.

Why Source Control?

The System provides either infiltration or attenuation, incorporating multiple stages of water treatment and flow control within the constructed layers of car parks and other hardstandings, directly beneath the finished surface.