Besides the waters of the Tuerto, this reservoir is flowed from another river, the Valdesamario, a tributary of Omana river, through transfer in lined canal, it is opened in a length of 898 meters and in tunnel a length of 1,455 meters.

In the waters of the Villameca reservoir, the sailing without motor is allowed and an area near the dam is used as beach, which is frequented by the people from close villages .