The quality and quantity of the groundwater bulk of the Eastern Black Sea Basin, which was determined within the scope of the "Hydrogeological Survey" and the "Regulation on the Protection of Groundwater against Pollution and Deterioration," were monitored and according to regulation other steps implemented. Hydrogeological survey and quality - quantity monitoring of groundwater bodies were carried out on a total area of 22,846 km2 in 52 all groundwater sub-basins of the Eastern Black Sea Basin.
Services provided by ALTER;
-Hydrogeological data and structural analysis,
-Hydrogeochemical data and structural analysis,
-Isotope studies,-Hydrological budget studies,
-Creating a monitoring network on the basis of groundwater bodies, making detailed characterizations,
-Evaluating the pressure effect and risk based on the results of the monitoring on the basis of mass,
-Threshold value and trend analysis, the creation of a program of measures and measures are included.
Regional Directorates of DSI, with responsibility areas are: DSI 7th District Samsun, DSI 8th District Erzurum, DSI 19th District Sivas, DSI 22nd District Trabzon and DSI 26th District Artvin.