Geothermal resource development in Klamath Falls increased dramatically with completion of Phase I of the city geothermal heating system in 1982. Phase I can supply 14 government office buildings and 127 homes...

Low temperature geothermal fluid is defined in OAR Chapter 690, Division 65 as any ground water used for its thermal characteristics that is encountered in a well with a bottom hole temperature less than 250°F...