Having identified and classified relevant water pollution problems, and having assigned priority to them, the next step is to identify appropriate interventions to cope with the problems. For every problem identified, therefore, an assessment should be made of the most appropriate means for intervention. Furthermore, an indication should be given of the relevant administrative level(s) to be involved. The proposed interventions may vary significantly in detail and scope. Depending on the problem in question and the existing institutional framework for management of water pollution, they may range from formulation of a national policy for a hitherto unregulated issue to the.
