The overall objective of the project is to improve the ability of the Black Sea Basin national and coastal authorities to respond timely and effectively to water pollution and strengthen the joint knowledge and information base needed among partners, target groups and final beneficiaries on addressing the common challenges of water pollution in BS Basin marine and river environment. Achievements: Up to date report on main pollutants in underground and surface waters in the area of Lower Danube, Lower Prut and Dniester. Potential quantification of relationships of pollution in surface and underground water.Report on development of specially modified diatomite based sorbents for defluorination of drinking water from underground sources and trial application of modified diatomite for the oil pollution removal. Report on laser induced fluorescence properties and spectral features of natural waters and pilot application of the developed fiber optic laser fluorometer instrument for the organic pollutants detection and water quality monitoring and characterization of the phytoplankton community status in aquatic environment. Report on structural and functional characteristics, ecological and biological assessment of the state of the coastal ichthyocenes along the Black Sea shoreline of the Crimea Peninsula and adjacent water areas of the Kerch Strait that is a specific zone of transit and exchange between ecosystems of the Black and Azov Seas and elaborated measures for preservation of specially protected regional nature reserves in ecosystems. Report on current fauna and flora state of valley rivers of the Black Sea east coast of Turkey (Caglayan, Fırtına and Ikızdere and others), the area for important endemic species populations, pollution mapping in river systems most affected by the agricultural and human activities for assessment of anthropogenic impact. An oil spill dispersion forecasting system based on wind, wave and ocean circulation forecasting models. An algorithm which comprises the use of genetic algorithms and oil spill simulation, in terms of a decision support system, for optimizing the performance of oil slick combating stations –networks.Pilot applications of the oil spill dispersion forecasting system and of the algorithm for its optimizing.