Records relating to land drainage, flooding and coastal defences created by the agriculture departments.
Records of the Land Drainage Branch are in MAF 49 and MAF 77. Later records relating to the following areas of land drainage are: administration (MAF 135), constitution of drainage authorities (MAF 136), machinery and equipment (MAF 137 and MAF 295), farms (MAF 218), housing (MAF 234), river boards (MAF 219), general files (MAF 222), and water supply ( MAF 261).
Records of the Standing Committee on River Pollution are in MAF 326.
Maps and plans are in MAF 271 and MAF 299.
The internal drainage board database is in MAF 407.
Records relating to flooding and emergencies are in MAF 220, MAF 221, and MAF 406 (Coast Protection Survey of England dataset).