Instream or in-loch structures

Information about the activities we regulate that include instream or in-loch structures or boulder placement in a water course and the authorisation you’ll need to carry on each activity.

In-loch structures with a total area of 50 square metres or less

Find out about the registration authorisation needed to carry out the installation of in-loch structures with a total area of 50 square metres or less

View In-loch structures with a total area of 50 square metres or less

Instream structures or boulder placement in a watercourse less than or equal to 10% bed width

Find out about the General Binding Rule (GBR 14) that applies to instream structures or placement of boulders in a watercourse less than or equal to 10% bed width.

View Instream structures or boulder placement in a watercourse less than or equal to 10% bed width

Instream structures or placement of boulders which occupy more than 10% of the bed width

Find out about the registration authorisation needed to carry out installation of instream structures or placement of boulders which occupy more than 10% of the bed width

View Instream structures or placement of boulders which occupy more than 10% of the bed width

All other instream or in-loch structures or all other boulder placements not otherwise described

Find out about the permit authorisation needed to carry out installation of all other instream or in-loch structures or all other boulder placements not otherwise described.

View All other instream or in-loch structures or all other boulder placements not otherwise described