Maynilad Water Services, Inc. Vs. The Secretary of the Department of Environment and Natural Resources (DENR), et al./Manila Water Company, Inc. Vs. The Secretary of the Department of Environment and Natural Resources (DENR), et al./Metropolitan Waterworks and Sewerage System Vs. The Pollution Adjudication Board and Environmental Management Bureau

G.R. No. 202897/G.R. No. 206823/G.R. No. 207969. August 6, 2019

Separate Concurring Opinion:
Justice Marvic M.V.F. Leonen