Pure environment and significant water resource

Sliven Municipality is situated in an ecologically pure environment:

-       Preserved ecosystem and biological equilibrium ;

-       No pollution of the water and the soils with heavy metals;

-       No air pollution above the permissible EC norms.

River Tundja is the main water resourceof the Municipality, with a water basin of about 7 880 square km. The dam “Jrebchevo” is constructed on river Tundja, 25 km away from Sliven, with capacity of over 400 million cubic metres and is used mainly for irrigation.

Sliven is crossed by the rivers “Asenovska”, “Selishtka” and “Novoselska”. On the river valley of “Asenovska” is constructed dam “Asenovec” which is the main water resource of the city.

There is an abundance of thermal springs in the region of Sliven Municipality. The water is particularly valuable in the treatment of gastro-intestinal and hepato-biliary disorders, diseases of the skeletal and muscular system and the peripheral nervous system.