Cavite Provincial Mandamus Agencies Technical Working Group (PTWG) held its first quarter meeting for CY 2023 in Tagaytay City on March 10, 2023. The meeting was led by Cavite PENR Officer, For. Januel Peras and was facilitated by Manila Bay Site Coordinating/Management Office-Cavite head, Engr. Marie Belle Igmat.

The PTWG meeting was attended by 70 delegates from the following local government units and Manila Bay mandamus agencies: Philippine National Police-Maritime Group; Department of Education-Bacoor City; Municipal and City ENROs of Amadeo, Mendez, Dasmarinas City, Gen. Trias City, Trece Martires City, and Imus City; Maynilad; Bureau of Fisheries and Aquatic Resources; Provincial Government-Environment and Natural Resources Office; Department of Public Works and Highways-Carmona; Philippine Coast Guard; DENR-Environmental Management Bureau Calabarzon; and DENR-PENRO Cavite.

On December 18, 2008, the Supreme Court issued SC Mandamus on Manila Bay (G.R. 171947-48) directing 13 government agencies to clean up, rehabilitate, and preserve Manila Bay, and restore and maintain its waters to SB level to make them fit for swimming, skin-diving, and other forms of contact recreation.