In 1930 it became a municipality with the name Hidrolândia, land of waters. With the construction of the new capital in Goiânia it became part of that city with the name "Grimpas".
In 1930, Hidrolândia officially became a municipality and adopted the name "Land of Waters". Following the construction of Goiânia's new capital, the town was integrated into the city and renamed "Grimpas".