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Water quality in the reservoirs of seasonal river dams

Torabi Seyed Meysam, Momeni Mahdi, Robati Amir, Yazdanpanah Najmeh

Environment Protection Engineering

2024

Vol. 50, nr 2

5--26

Human activities, such as sewage discharge and the use of fertilizers in agricultural lands resulted in reduced surface water quality worldwide. This study aimed to investigate water pollution in the Ghadruni Dam in the reservoirs of a seasonal river dam. Large amounts of chemical fertilizers used on the lands around the seasonal rivers as well as their runoff from agricultural lands may affect water quality more significantly than that of permanent rivers. Measurements of dissolved solids, temperature, electrical conductivity (EC), pH, turbidity, chloride, sulfate, nitrite, nitrate, ammonium, dissolved oxygen (DO), chemical oxygen demand (COD), and nitrogen were taken for a year. The results indicate that the main cause of pollution in the dam basin is from agricultural effluents, as well as domestic and industrial sewage that is discharged into the system.