Using the quick search there are shown up to three reports about heavily polluted water:
Wastewater from ships, oil refineries and other petrochemical industries is heavily contaminated with toxic compounds. Stringent EU regulations apply to its treatment and discharge since, if left untr...
Ökologie Umwelt- Naturschutz |Using the fulltext-search for the word heavily polluted water you can set up serveral searching-options > choose search options