The current Environment Agency headings for flood risk management maintenance expenditure include channel maintenance, structure maintenance, defence maintenance, operation, MEICA (mechanical, electrical, instrumentation, control and automation), buildings and ground maintenance, incident response, and non-recurring maintenance.
In 2006-07, the proportion of maintenance expenditure on each of the following headings was as follows:
Percentage Dredging 3.8 Aquatic weed removal 10.2 Grass cutting, tree removal and pollarding 6.6