EFFECTIVE CAPACITIES : SATURDAY, 19.9.2020

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Air Itam
Dam
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Teluk Bahang
Dam
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Mengkuang
Dam
AIR ITAM DAM

Commissioned in 1962, the Air Itam Dam has a maximum effective capacity of 2.16 billion litres of water. The Air Itam Dam still serves as an important component of Penang’s water supply infrastructure. The top water level is 235 metres above sea level and its storage capacity is tapped to sustain continuous good water supply in the Air Itam township and nearby highland areas.

The refreshing environment has a loyal following amongst walkers, runners and cyclists, some of whom enjoy the challenge of “climbing up” a 200 metre ascent. Upon reaching the dam premise, there is also a 2.6km “circuit”, winding around the perimeter of the dam, including its 243.8 metre crest.

TELUK BAHANG DAM

The Teluk Bahang Dam forms the largest permanent body of fresh water on Penang Island.With a maximum surface area of 0.95 sq. km, it overlooks the beaches of Teluk Bahang, at the north western tip of the island.

Designed and built to serve as Penang’s strategic drought reserve, it was officially opened in 1999. The effective storage capacity of the Teluk Bahang Dam is 18.24 billion litresof water, or roughly 8.9 times more water than the Air Itam Dam.

This dam proved its worth during the extended dry seasons in 2014 and 2015 when PBAPP tapped its waters to avoid water rationing on Penang Island.

MENGKUANG DAM

The Mengkuang Dam in Seberang Prai was built in 1983 and is Penang’s largest strategic drought reserve.
In dry seasons, the dam releases raw water into the 14km Sungai Dua Canal for the Sungai Dua Water Treatment Plant (WTP). The park in the dam area is also a popular place for recreation.

The Mengkuang Dam Expansion Project (MDEP) started in 2011, with the key objectives to:

  1. Increase the dam’s maximum water storage capacity from 22 billion litres to 73.5 billion litres; and
  2. Increase the raw water transfer capacity from 300 million litres per day (MLD) to 1,000 MLD. (This has been reduced to “600 MLD”).