Caldicot and Wentlooge Levels Internal Drainage Board
Statement from Alun Davies AM, Minister for Natural Resources and Food on the 12th of November 2013: "I have decided to transfer the functions, assets and staff of the Powysland, Lower Wye and Caldicot and Wentlooge Levels Internal Drainage Boards (IDB) to Natural Resources Wales." 

The change took place in April 2015