Assessment of Natural and Municipal Liquid Wastes Discharged into the Tigris River in Mosul – Iraq | ||
| Egyptian Journal of Aquatic Biology and Fisheries | ||
| Article 37, Volume 28, Issue 4, July and August 2024, Pages 617-626 PDF (1.09 M) | ||
| Document Type: Original Article | ||
| DOI: 10.21608/ejabf.2024.369171 | ||
| Author | ||
| Rawaa M. Hmoshi et al. | ||
| Abstract | ||
| The Tigris River is the only source of raw water in Ninevah province. Hence, water quality is of a high importance for all living organisms. The aim of the present study was to determine the extent of the effect of various and large amounts of liquid waste discharge on the water quality of the Tigris River. Water samples were collected from several estuaries: Shreikhan, Qara Sarai, Khoser Valley, WadiAkab, Al Danfelly Valley, and Maidan. Chemical and physical analysis of samples such as pH, electrical conductivity, total dissolved salts, turbidity, chemical oxygen demand, phosphate, hardness with all types, total bacterial count were conducted in addition to the identification of pathogenic bacteria. The results showed that the variation in the values of pH was between 6.4- 8.7 and E.C values were between 700-1230µs/cm. The highest turbidity values were observed at WadiAkab (101NTU), while the lowest turbidity was detected at Khoser with a value of 9.71 NTU. Chemical oxygen demand in waste products of Al-Danfelly Valley was 370mg/l compared with the lowest value of 85mg/l at Al- Khoser. The total bacterial count in Danfelly, Wadiakab, and Khosar Valley was found to be 2x102, 3x104, and 5x102 cells/ml, respectively. Pathogenic bacteria were identified in waste products of the above locations. | ||
| Keywords | ||
| Environment; Estuaries; Tigris River water; Mosul City | ||
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