Toyaku Drinking Water Generator from Air Capable of Producing 8 Liters in 12 Hours
The Central Java Provincial Government has received a donated device that generates drinking water from air, called ToyaKU, from Dian Nuswantoro University (Udinus) in Semarang. This technology can produce up to 8 liters of water within 12 hours and is expected to serve as an alternative solution for clean water supply, especially during the dry season.
The device, developed through research by Udinus students, was handed over directly by the university’s Rector, Pulung Nurtantio Andono, to the Regional Secretary of Central Java, Sumarno, in Semarang on Tuesday (May 5, 2026).
ToyaKU is designed to produce ready-to-drink water without relying on conventional sources such as wells, rivers, or municipal water supply networks.
On that occasion, Sumarno even personally tasted the water produced by the device and expressed his appreciation for the innovation.
“We appreciate the efforts of our colleagues at Udinus in developing this ToyaKU innovation. It is remarkable because it captures water from the air. I tried it earlier, and the water is fresh,” said Sumarno.
He noted that the quality of the water produced is comparable to that from natural sources. The innovation is also considered highly relevant amid the potential for a prolonged dry season expected to begin in June, based on forecasts from Indonesia’s Meteorology, Climatology, and Geophysics Agency (BMKG).
“Hopefully, devices like this can become part of our solution in addressing water shortages, especially clean water needs during the upcoming dry season,” he added.
Sumarno hopes the technology can continue to be developed and produced in larger quantities so it can be utilized in areas facing clean water scarcity.
Meanwhile, Udinus Rector Pulung Nurtantio Andono explained that ToyaKU is a Smart Atmosphere Water Federation system that harvests water directly from the air, equipped with artificial intelligence and Internet of Things (IoT) technology.
“God willing, its safety is guaranteed because it has been tested by the Semarang City Health Office,” he explained.
He expressed hope that the innovation will not remain solely as a campus research product but can be widely utilized by the public with support from the regional government.
“We believe that the Central Java Provincial Government can make optimal use of our research results,” he said.
He added that access to drinking water remains a challenge in several regions, especially during the dry season. Currently, his team is also in the process of securing a patent for the technology.
Head of the General Bureau of the Central Java Regional Secretariat, Laksono Dewanto, stated that the ToyaKU devices will be placed in public spaces owned by the provincial government so they can be widely used by the community.
“We will place ToyaKU in public spaces, including our co-working spaces. There is also the Rumah Rakyat there. We hope that all guests visiting the governor’s office can enjoy and benefit from ToyaKU,” he concluded.
