Abstract:
in this study, the researchers studied the chemical and physical properties of water from Tigris River in Tikrit, Iraq. Through the period of the research's observational time (November 2021–October 2022), the water's average temperature ranged from 48.0 to 13.0 C○, the water's pH ranged from 8.8 to 7.1, and the rate of total dissolved solids ranged from275 to 202 mg/ l. The values of the ranged from 4.2-1.2 mg Biological oxygen demand and the copper rate were NIL for all months.