Irrigation project for an extensive region of north-eastern Brazil affected by persistent droughts that impact on agriculture development. 17 x 6 m high trapezoidal channels totalling 105.4 km, max. flow 99 m³/s and min. flow 89 m³/s. 6 pumping stations, with average pumping flow of 55 m³/s. 5 aqueducts with a total length of 675 m. 5 dams with a total volume of 165.6 hm³. 7 hydropower plants with 209 MW installed power. 2 power transmission lines, 410 km and 100 km respectively, with voltages of 230 kV and 69 kV.