It's absolutly vital that all waterways are drained correctly and if the outfall being ditches or rivers are not clear and dredged fields flood and overwhelm the rivers causing them to breach their banks and flood defenses causing havoc and damage to property's, animal livelihood in flash floods and extra costs reinstating burst flood banks which could all be avoided if dredging of rivers and ditches were carried out yearly, it's such a simple process which could save massive costs in repairs and insurance claims.