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Drainage glossary · Surface water and flooding

Attenuation tank

A below-ground storage structure that holds storm water temporarily and releases it slowly, so the downstream system is not overwhelmed.

What it means for you

Common on new developments where the water company caps the rate at which surface water may be discharged.

Not sure whether this applies to your property? Ask us. There is no call-out charge and the price is fixed before any work starts.

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