The seawater desalination project for The Nusa Dua tourist area has become operational and started producing measurable volumes.
The Indonesia Tourism Development Corporation (ITDC) reported that over the past three months, around 331,000 m³ of fresh water has been produced from seawater using reverse osmosis desalination. This amounts to about 3.6–3.7 million liters per day, or 132 Olympic swimming pools in three months.
According to ITDC, at full capacity, the plant should produce up to 1.31 million m³ of water annually. This is intended to supply hotels and other facilities in the Nusa Dua area for daily infrastructure needs — rooms, kitchens, spas, and service areas.
Seawater is collected through an intake point offshore opposite the Club Med hotel, then it passes through a storage tank and multi-stage filtration, followed by the final reverse osmosis phase. The target after purification is around 300 ppm, meeting the Indonesian Ministry of Health's standards for drinking water.
It is noteworthy that an ITDC subsidiary was the first in the country to receive permission from Indonesia's Ministry of Marine Affairs and Fisheries to use seawater 'not for energy purposes' and convert it into fresh water for Nusa Dua. The permit limit is up to 2,555,000 m³ of seawater per year.
Sources: antaranews.com, detik.com
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