
Water Report
Our Commitment to Transparency and Safety
Cognizant of our commitment to transparency and safety, we guarantee the world’s safest mineral water. Our stringent quality assurance includes daily taste tests internally and third-party inspections by the Kagoshima Pharmaceutical Association. This ensures our product consistently meets the highest safety and quality standards.
Commitment to Transparency and Safety
Welcome to our Water Report page, where you can find official third-party test reports for ONSENSUI 99. Please note that the test reports are currently available only in Japanese. These reports provide detailed information about the quality and safety of our premium volcanic spring water, as verified by independent testing agencies. While the reports may be in Japanese, we are committed to transparency and ensuring the highest standards of quality and safety for our products. If you have any questions or require further information, please feel free to contact us.
Official Third-Party Test Reports
(Test Reports available in Japanese Only)
Point 1
Pure Source, Untouched by Human Hands
ONSENSUI 99 originates from the untouched underground springs nestled at the base of the mountain. Sourced from depths of 750 meters beneath volcanic terrain, this water undergoes natural filtration processes, preserving its pristine purity.

Point 2
Discover the Pure Essence of ONSENSUI 99: Crafted with Precision and Passion
In the heart of ONSENSUI 99 facilities, advanced technology ensures rigorous quality control throughout the bottling process. Each sip embodies the essence of purity and vitality, straight from nature’s embrace.

Point 3
Commitment to Sustainability
At ONSENSUI 99, we prioritize efficiency and environmental impact reduction. Our initiatives include maximizing energy efficiency and implementing sustainable practices to minimize our footprint.
