The drilling cost is usually 100 million yen to 200 million yen, and many local governments drilled for onsen using the "Furusato Sosei" Fund (regional development fund temporarily provided by the national government) provided under former Prime Minister Takeshita's cabinet.
掘削料金で言えば1億円から2億円の相場であるが、竹下内閣のふるさと創生資金などを活用し、多くの自治体で温泉が掘削された。