[4] The Puerto Rico Department of Natural and Environmental Resources (DRNA) was created by Law Number 23 of June 20, 1972.

[5] In 2016 the agency's headquarters where temporarily moved from the Cruz A. Matos building in Cupey due to problems with the ventilation.

[7] In 2018 governor Ricardo Rosselló signed senate project 859 into law which merged the Solid Wastes Authority, Board of Environmental Quality and Company of National Parks of Puerto Rico into the department.

[12] During a Senate hearing in August 2021 secretary Rafael Machargo confirmed the agency did not have a plan for solid waste on the island.

[21] On August 4 the Puerto Rico Planning Board unanimously ordered the construction be halted after determining the permits granted where illegal.