sentences:  Due to the flooding of the area, a new dam was ordered by the Aitoloakarnanian government to construct a dam near the four-boundaries region of northern Nafpaktia.It took nearly one year and was completed in 2003.Its area is about 5 to 10 km², the height and the depth is approximately 50 m. It rarely supplies water to the area, but it is the westernmost and newest expansion of the water supply line Evinos-Mornos-Yliki-Marathon which covers the needs of Athens.