There is hereby created the Metro East Solid Waste Disposal and Energy Producing Service which is constituted a public instrumentality of the State of Illinois. The exercise by the Service of the powers conferred by this Act shall be considered to be the performance for an essential public function. The Service shall be considered organized and shall commence its activities when there shall have been filed with the Secretary of State and Environmental Protection Agency certified copies of the resolutions of participation of at least two of the following municipalities: Mayor and City Council or Village Board of Trustees of East St. Louis, Centreville, Alorton, Venice and Brooklyn. The resolution of participation shall contain a declaration by the municipality of its intention and consent to participate in the activities of the Service.