N'ihe na-erughị ọnwa anọ kemgbe emechara atụmatụ P2-ijeri ya iji kpochaa Osimiri Pasig, mbọ niile San Miguel Corporation (SMC) na-agba iji mezigharị nnukwu sistemu osimiri abanyela na ngwa dị elu na Central Luzon.
N'ime otu afọ, ụlọ ọrụ ahụ ewepụla ihe karịrị nde metric tonnes nke silt na ihe mkpofu na-ekpuchi anya nke ihe dị ka kilomita 25 nke ọwa osimiri na Bulacan, na mbụ na-elekwasị anya na mpaghara gburugburu New Manila International Airport na elu osimiri na Obando, Bulakan. , Bocaue na Meycauayan City n'ime otu mmiri mmiri.
Na mgbakwunye, SMC amalitela ime ọmụmụ ihe gbasara ịsa ahụ n'osimiri Pampanga, ka emechara ọmụmụ mmiri n'obere mmiri ọzọ dị na Bulacan.
N'ọnwa Ọktoba gara aga, ụlọ ọrụ ahụ malitere mmemme mkpocha mmiri ịgbasawanye site na ịbanye n'akwụkwọ nkwekọrịta (MOA) na Department of Environment and Natural Resources (DENR), Department of Public Works and Highway (DPWH), na mpaghara gọọmenti ime obodo nke ọtụtụ obodo na ógbè.
Mmemme gbasaara ga-agụnye mpaghara elu nke Meycauayan, Marilao, Bocaue na Guiguinto;Sistemu mmiri ndị ọzọ dị n'ime ọdọ mmiri dị iche iche na Malolos, Hagonoy na Calumpit;Osimiri Pampanga, na osimiri dị na Laguna, Cavite, Navotas, na San Juan.
Gụnyere mkpokọta mkpokọta nke mkpocha osimiri Pasig ya, nke gụnyere mkpocha mmiri San Juan na-aga n'ihu (ton 1,437,391 nke silt na mkpofu) na mkpocha osimiri Tullahan mezuru (1,124,183 metric ton), mbọ mmezigharị osimiri nke SMC ewepụla ihe karịrị 4.5. nde tọn mkpofu sitere na ihe dịka kilomita iri isii na asatọ nke sistem mmiri.