First way: You can remove a catchment when analysing a location

(2) On the row of the catchment you want to remove, right-click or click on the 3 dots menu

Second way: You can remove a catchment via the Settings

(2) Click on the 3 dots next to the catchment's name

Third way: remove a catchment on the Network Overview

(2) Find the catchment you want to remove and then
- either right-click on it
- or click on the 3 dots

Here are 3 ways you can quickly remove a catchment from LOOP

3 ways to remove a catchment