The Waste Flow Diagram (WFD) estimates the amount of solid waste entering nature and the oceans from various sources. A scenario function is used to simulate how improved waste management could reduce pollution and prevent marine litter.
Cagayan de Oro is a highly urbanised city in the region of Northern Mindanao and the 10th most populous city in the Philippines. It is the capital of the province of Misamis Oriental where it is geographically located.
According to the 2015 census, the population of Metro Cagayan de Oro is estimated to be 1.37 million. Located along the north central coast of Mindanao island facing Macajalar Bay, the city is covering an area of 413 km² and has a tropical monsoon climate, with a wet and dry season. The survey was conducted during the dry season.
The motivation for undertaking the WFD was to understand and visualise the plastic leakage at different MSWM stages, in order to come up with solutions to further improve the performance of the MSWM system. This case study was implemented under leadership of the UN Habitat HOCCI programme.
City | Cagayan de Oro |
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Financed by | UN Habitat - Healthy Oceans and Clean Cities Initiative (HOCCI) |
Implemented by | Cagayan de Oro municipality with backstopping support from International consultants |
Population | 778,642 (2021 est.) |
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Waste generation rate, including commercial and institutional waste | 0.38 kg/cap/day (WaCT Survey) |
Total MSW generation | 297 tonnes/day (WaCT Survey) |
Collection rate | 92% (WaCT Survey) |
MSW sent to disposal | 260 tonnes/day / 87% (WaCT Survey) |
MSW sorted for recovery | 16 tonnes/day / 5% (WaCT Survey) |
MSW managed in controlled facilities | 91% (WaCT Survey) |
Plastic waste generation | 15,203 tonnes/year |
Unmanaged plastic | 1,426 tonnes/year 9% of the entire plastic waste generation |
Plastic waste to the environment | 1,426 tonnes/year | 9% of the plastic waste generated |
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Plastic to water systems | 214 tonnes/year | 315 trucks |
Plastic to water systems per person | 0.3 kg/person/year | 9 PET bottles per person |
This case study’s data was collected by UN Habitat.
The Waste Flow Diagram (WFD) estimates the amount of solid waste entering nature and the oceans from various sources. A scenario function is used to simulate how improved waste management could reduce pollution and prevent marine litter.