{"entry-date":"2025-06-21","start-date":"","end-date":"","entity":73002457,"name":"drainage systems","dataset":"planning-condition","typology":"policy","reference":"U0119208","prefix":"planning-condition","organisation-entity":109,"geometry":"","point":"","quality":"authoritative","notes":"Unique Condition","reason":"To ensure that the development does not contribute to and is not put at unacceptable risk from or adversely affected by unacceptable levels of water pollution caused by mobilised contaminants. This is in line with paragraph 174 of the National Planning Policy Framework.","description":"No drainage systems for the infiltration of surface water to the ground are permitted other than with the written consent of the local planning authority. Any proposals for such systems must be supported by an assessment of the risks to controlled waters. The development shall be carried out in accordance with the approved details."}