During the process of drilling for supplying with living water to the TriÖu §¹i Commune, Qu¶ng TrÞ Province, a CO₂-bearing pressure water source has been found. The water ejects in the natural state to the height of about 8 m. The pressure height: 22.89 m. CO₂ content: 1186 mg/l. This is a finding of worth attention, needing further investigations.