天一温泉位于侵入岩地热异常区，出露于赖坊-庙前大断裂南端，温泉水温68.5～69.5℃，日出水量为2千吨，矿化度343.69～354.5mg/l，PH值8.33～8.45，水质类型为HCO- 3—Na+，为弱碱性水。目前已形成集沐浴、生态旅游、休闲于一体的温泉度假地。 Tianyi Hot Spring is located in the geothermal anomaly area of intrusive rocks and exposed in the south of Laifang-Miaoqian Fault. The water temperature is 68.5-69.5 ℃ and the flow of the exposed hot spring is 803 m3/d. The salinity can reach 343.69-354.5mg/l, the PH value is 8.33-8.45, and the water quality type is HCO- 3—Na+, which is weak alkaline water. It has now become a popular spa resort.