Detention and Retention.

Detention tanks.

Detention tanks are used to relieve additional pressure on stormwater systems due to ground cover such as buildings or carparks. Detention tanks are designed into projects to counter the reduction in ground absorption and slow down water flows.

Typically the tanks have high level, high flow inlets with a smaller low level outlet. In the event of prolonged heavy rainfall the high level overflow will release any water above the capacity of the tank.

At Allcast we manufacture a number of squat circular tanks along with modular rectangular tanks for larger situations. Feel free to contact our office for workable configurations.

Retention tanks.

Retention tanks are used to retain water for reuse in applications such as house supply, irrigation and fire storage. See our large and small tank range for the different sizes available. We can customise inlet, outlet and overflow positions and sizes to meet your needs.

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