A hydrological survey to update hydrogeological information on the CURDIMURKA sheet area was carried out during October 1978. Approximately 70 water wells were located, including 24 flowing wells which were photographed. Groundwater is used for stock and domestic purposes. Salinity varies greatly, from 1200 mg/1 to 21,420 mg/1. Standing water levels vary from at surface (flowing wells) to depths of up to 52 m. The main aquifer system is the Algebuckina Sandstone, which is the main aquifer of the Great Artesian Basin (GAB), and its depth and pressure increase in a northerly direction. The Tertiary-Quaternary aquifers are mainly associated with drainage lines; salinities are quite variable, ranging from 1531 mg/1 to 21420 mg/1. Yields in the unconfined aquifers range from 2 m3/day to 655 m3/day, while flowing wells yield between 27 m3/day to 6820 m3/day. Recharge to the Tertiary-Quaternary sediments is from local rainfall and is enhanced along drainage lines. The Algebuckina Formation receives most of its recharge from the eastern states (mainly Queensland). Outcrops of the Algebuckina Sandstone artesian aquifer occur along Finniss Creek, where it is thought that the only direct recharge along the GAB southern boundary takes place. There are no foreseeable pollution problems in the area.