Paragraph 17 Flood risk and surface water drainageI1

The authorised development must be carried out in accordance with the mitigation measures detailed within the flood risk assessment and the water framework directive assessment, or be carried out in accordance with any variation to these measures agreed in writing with the Environment Agency, the lead local flood authority or the approving body under Schedule 3 (sustainable drainage) to the Flood and Water Management Act 2010^f1, whichever of these is the body having jurisdiction over the watercourse in question.