Two Indah Water Consortium's (IWK) sewage treatment plants in Penang were fully submerged due to the extraordinary rainfall that struck the state on Saturday. (Pic by MUHAMMAD MIKAIL ONG)

GEORGE TOWN: Two Indah Water Consortium's (IWK) sewage treatment plants in Penang were fully submerged due to the extraordinary rainfall that struck the state on Saturday.

National Water Service Commission (SPAN) chairman Datuk Liang Teck Meng said the two plants were inaccessible and IWK could not determine the level of damage.

The plants were located at Sungai Dua and in Bukit Mertajam.

"Another one in Sungai Dua was also fully submerged but it has resumed its operation and 27 other plants were partially submerged, all located on mainland, but they were back to normal," he said at a press conference while visiting Lorong Macallister IWK network pumping station here today.

He said that water was still stagnant up to four feet at the moment at the two submerged plants and its workers could not see the mechanical part and the blower including the control panel of the two plants to ascertain the damage.

"If it has suffered total damage, then we have to change the whole system which will cost a big amount but at the moment we have to wait until the water subsides.

"Luckily the sewage plant did not overflow," said Liang.

He said the temporary water disruption faced by several areas on the island was due to the three clean water supply plants which was affected by the muddy flood water.

The three plants, located at Tanjung Bungah, Pulau Tikus and Taman Botani, were blocked with mud near the water intake area.

He said that Penang Water Supply Corporation (PBAPP) was unable to clean it up immediately but the water supply resumed to normal on Sunday.

There were also reports of water disruption at Penang Hill but supply had returned to normal.

"PBAPP had carried out remedial works and the three plants are now fully operational," he said.

Heavy downpour for 15 hours wrecked havoc in the state, with majority of places inundated involving over 10,000 victims taken to relief centres.

Large number of trees were uprooted and there were a few cases of landslides, including a huge collapsed road at the newly built Persiaran Tanjung Bungah 3 three storey terrece house area.

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