Following Master Plan studies by the World Health Organisation and other consultant sanitary engineers on wastes disposal, the Maltese Government implemented in successive stages projects aimed at the abatement of the pollution of bays and seaside resorts around the island, culminating in the laying of a submarine outfall to discharge some 90 % of the sewage produced on the island. After thus cleaning the blue coastal waters, sewage has been reclaimed for the beneficial use by the farming community. This case study describes three projects carried out in order to achieve the aims stated.