Once removed, the firm will clean the gravel and reuse it.
It comes as the Environment Agency has warned that landowners' attempts to complete certain work could lead to prosecutions if they do not have the correct permits.
An environmental permit for flood risk activities is needed for work including removing stones.
The agency is keen to work with people to ensure their efforts don’t increase the risk of flooding to themselves or others and said environmental permits are free for flood damage repair.
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