Water treatment plants and facilities
Hiagari Sewage water treatment plant
The sewage come through the sewer pipe is purified in the plant and flow into the sea.
There is an also new technology plant which the electricity is generated using the sludge from sewage.
At the Visitor Center established in 2015, sewage treatment process and technologies can be learned.
The Plant making fresh water from sea water and sewage water established in 2011.
The desalination process and technology can be leared.