Major problems include the pollution of groundwater, surface and marine pollution from land-based sources such as domestic sewage, industrial effluents and agricultural runoffs; inadequate sewage-treatment facilities (see E/CN.17/1998/7/Add.2);
Les grands problèmes qui se posent comprennent la pollution des eaux souterraines, la pollution des eaux de surface et des eaux marines d &apos; origine tellurique telles que les eaux usées ménagères, les effluents industriels et les eaux de ruissellement agricoles (voir E/CN.17/1998/7/Add.2).