There should be a common set of considerations in the decision whether to approve an application to build a levee, including: • the impacts of the proposed levee on the catchment as a whole • the benefits of the proposed levee to the individual or entity applying to build the levee and to any nearby community as a whole • any adverse impacts on other landholders, including the risk of levee failure • the implications of the proposed levee for land planning and emergency management procedures • whether any structural, land planning or emergency management measures can be taken to mitigate the adverse impacts of the proposed levee.