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Challenges of Managing Municipal Sewerage Waste in Port Moresby City, Papua New Guinea .

Challenges of Managing Municipal Sewerage Waste in Port Moresby City, Papua New Guinea. Background. 1884, Declared English Protectorate, Port Moresby developed mainly along the coast with a population of 5,000. Current population approx 250,000.

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Challenges of Managing Municipal Sewerage Waste in Port Moresby City, Papua New Guinea .

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  1. Challenges of Managing Municipal Sewerage Waste in Port Moresby City, Papua New Guinea.

  2. Background. • 1884, Declared English Protectorate, Port Moresby developed mainly along the coast with a population of 5,000. • Current population approx 250,000. • 62% have access to reticulated sewerage system. • By 2020, projected population 437,266 • Pressure on the sewerage system • System divided into two geographical catchment areas.

  3. Background cont • Inland catchment ( 70% ) • Coastal Catchment ( 30 % ) • The inland catchement ( Waigani, Morata • & Gerehu operated by open Stabilization pond treatment system. • Coastal catchment ( Idubada, Hanuabada, Konedobu, Town, Koki & Badili discharge outfalls without treatment.

  4. Inland Catchment Area Coastal Catchment

  5. Inland Stabilization Ponds Waigani STP

  6. Inland Ponds

  7. Coastal Area Discharge. Coastal Area Discharge 30% Badili Paga Point Joyce Bay • Sp

  8. Coastal Discharge Environment Papuan Lagoon

  9. Sea Park Pumping Station Seapark Pump Station 600mm Sewer Outfall

  10. Paga Point 3km Outfall • 600mm • 30m depth

  11. Coastal Pumping Stations Davara PS Town PS

  12. Challenges • Manage city's population increase @ 2.7% annually. • Paga point to Kilakila 63,000 in 2020 • Increase in water consumption, as well increase sewerage discharge. • Adopt a proper treatment system for the coastal area. • Govt approved project to upgrade coastal sewerage system. • Control of Industrial Waste, major challenge.

  13. Oxidation Ditch STP Aeration Pond Oxidation Ditches

  14. THANK YOU Em Tasol

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