The responsibility to manage flood risk from ordinary watercourses (streams and ditches) rests with the Suffolk County Council as the Lead Local Flood Authority.
Main rivers are the responsibility of the Environment Agency, and applications to work on main watercourses must be submitted to them. You can use this map created by the Environment Agency to find out whether or not the application in question is on a main watercourse.
It is essential that anyone who intends to carry out works in, over, under or near a watercourse in Suffolk contacts the Lead Local Flood Authority (Suffolk County Council) to obtain the necessary consent before starting the work. As a guide for applicants, we have created a simple diagram which aims to make clear which kinds of work do or don't need consent.
The reason for this is to ensure that any works do not endanger life or property by increasing the risk of flooding or cause harm to the water environment.
Our developer guidance page contains information on our role as a statutory consultee on major planning applications.
You may request a flood map from us to find out whether the area your application sits in is predicted to be at risk from flooding.
Internal Drainage Boards
Piping a Watercourse
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