Fig. 8.1 Aerial view of Batu Maung Bay with part of the pig estate.
Fig. 8.2 Aerial view of Batu Maung Bay showing of the site of the pig estate close to the airport and the proposed area for land reclamation.
Fig. 8.3 Aerial view of effluents from Kluang river into Strait of Penang. Note the sharp convergence line.
Fig. 8.4 View of drainage canal at Batu Maung pig estate between the estate and the mangrove dam.
Fig. 8.5 Northern part of draining canal and trench behind dam along mangrove. Most of the trench is clogged with pig waste material.
Fig. 8.6 Close up of draining canal along Batu Maung pig estate.
Fig. 8.7 Close up of drainage canal at Batu Maung pig estate, almost completely clogged. With settled pig waste, household garbage, and weed growth.
Fig. 8.8 Aerial view of Southern Coast line of Island of Penang, showing Gertak Sanggul Bay and Cape Gertak Sanggul at the distance.
Fig. 8.9 Gertak Sanggul, a remote, picturesque and calm bay.
Fig. 8.10 Mouth of Gertak Sanggul river filled with settled pig waste, black septic water. Note the anaerobic gas production in the foreground.
Fig. 8.11 Eastern part of Gertak Sanggul Bay. There is still some minor fishing activity because the river does not discharge into the bay (at low river flow).
Fig. 8.12 End of drainage canal from Gertak Sanggul discharging directly on to the beach of Gertak Sanggul Bay.
Fig. 8.13 Gertak Sanggul Bay: Black septic water with noticeable odour washing ashore.
Fig. 8.14 Beatiful Bay of Gertak Sanggul. Cape Gertak Sanggul (on the right) shelters the inner bay.
Fig. 8.15 The white sand beach of Gertak Sanggul Bay covered with a thick layer of undigested pig feed discharged with waste water into the bay and washed ashore again. The big stones (left part) protect the concrete drainage outlet.
