The Laguna Lake Development Authority (LLDA) was organized in 1966 by virtue of Republic Act No. 4850 authored by Senator Wenceslao Rancap Lagumbay from Laguna, as a quasi-government agency with regulatory and proprietory functions. Its powers and functions were further strengthened with the issuance of Presidential Decree No. 813 by President Ferdinand E. Marcos in 1975; and modified with the promulgation of Executive Order No. 927 in 1983. Executive Order No. 927 expanded the so-called Laguna de Bay Region, so that Laguna Lake Development Authority will have authority or proprietory rights, control and supervision over the city’s seven crater lakes, as well as over all other bodies of water in as far as in Mauban in Quezon Province; in Tanauan City and Malvar in Batangas Province; and in Carmona in Cavite Province. President Fidel V. Ramos issued Executive Order No. 149 to transfer the administration or administrative supervision over the LLDA from the Offic...