STRAW BALE DIKE

Definition

Straw bale dikes are temporary barriers of straw or similar material used to intercept and direct surface runoff.

Purpose

The straw bale dike filters sediment from runoff so that deposition of transported sediment can occur. The straw bale dike is used to intercept or direct sediment laden runoff to a sediment trap so that deposition of transported sediment can occur.

1.    The use of straw bale dikes is not recommended as a primary sediment control device. Straw bale dikes clog and deteriorate rapidly and require frequent maintenance.

2.    Straw bale dikes can be used to intercept sheet flow only. They cannot be used as velocity checks in swales, or placed where they will intercept concentrated flow.

3.    Straw bale dikes can be used only on projects that will be completed within three months.

4.    Straw bale dikes should not be used on slopes exceeding 5:1.

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