This dataset contain the SWAT-CUP (SUFI-2) project files for calibration and validation of river discharge and water quality for SWAT model at the Sulcis watershed (Sardinia, Italy):
1. River discharge data (cubic metre/second) for calibration and validation at "Flumentepido" gauge station (Rio Flumentepido - 39°11'32.5'' N; 8°28'39.5'' E);
2. Water quality data (milligram/litre - sediments, total nitrogen, nitrate-nitrogen, mineral phosphorus, dissolved oxygen) for calibration and validation at "Paringianu" gauge station (Rio Flumentepido - 39°10'39'' N; 8°25'29'' E) and "Is Achenzas" gauge station (Rio Palmas - 39°04'39'' N; 8°33'08'' E)