Abstrat. The current study aims to assess the groundwater quality of some area in the left side of Mosul city, the samples were collected randomly from 11 wells (five replicates from each well), to measure the physicochemical and bacteriological properties using weighted mathematical model (WQI). The results indicated that the studied groundwater were ranged from poor to unsuitable qualities for drinking and domistic purposes. This deterioration in water quality is due to as a result of the high levels of electrical conductivity, total hardness, sulfate ions, total number of bacteria and faecal coliform bacteria, which reached 3605 µS. Cm−1, (2760, 477) mg. l−1, 8.0 ×103 cell. ml−1 and 16< cell. 100ml−1 respictively.
Present study aimed to assess the quality of groundwater for livestock and poultry watering in some areas of the left side of Mosul city, and give a clear picture of the degree of pollution of these water sources, where samples are collected randomly from 11 wells (five replicates per well), to measure the physical, chemical and bacteriological properties using the subindex model with the use of international standards for the permitted levels of livestock and poultry watering , as a result of the impact of water quality on the productivity of meat, milk and eggs and thus affect the national economy. The results indicated that 55% of the studied water samples of good water quality category, while 36% of the samples of poor quality, this deterioration in quality is mainly due to the high number of TPC and faecal coliform bacteria which reached (15 × 10 3) cells. ml-1 and (41) cells. 100 ml-1 consecutively. The study recommended exposing this type of water to solar radiation with special basins in order to kill bacteria and improve water quality.
This study assessed the quality of groundwater in the Nimrud area located in the southeastern part of Mosul, Iraq for drinking livestock by applying the weighted mathematical model (WQI). The area is characterized by rich agricultural potential especially the breeding of livestock and poultry. Ten wells were selected randomly in the study area during the dry season for sample collection and estimation of physical-chemical properties. The results indicate that 70% of the samples were of poor-quality water for livestock and poultry watering and, the rest were of good quality. This poor quality of water was attributed to the geological nature of the area, which leads to high rates of the studied properties, especially electrical conductivity, sodium and sulfate ions, which reached (5,069ppm, 664ppm, and 1,688ppm) respectively. The study recommended that desalinization and treatment of water be carried out before consumption by livestock for disease resistance and performance.
The present study includes ecological properties of danfeeli valley which is located at the south eastern part of Mosul city of Iraq. Danfeeli valley transports seasonal rainfall water domestic and industrial wastes to Tigris river, so that, creates additional water pollution of this river, water samples were collected from five stations along the valley inside Mosul city to examine the physical, chemical, and biological properties, as well as, the role of self purification in elimination of the pollution problems, Also, samples of Tigris river were collected to determine the effect of polluted valley water on the river water parameters.Results of the present study indicates for dimension of dissolved oxygen in the valley water especially dty Dryweather due to high biological oxygen demand which reachs to 177.4 mg/L in one of some warm month. Relative increase in sulphate ions concentration was found as a result of proteolysis of protein matters in the valley water.The dominant phytoplankton genera were: Clamydomonas. Euglena, Fragelaria, Nitizschia and Navicula. It was found high significant pollution effect of Danfeeli wastewater on Tigris river at station 50 m south meetings, this deterioration was continued till at station 250 m, therefore, ecosystem pollution will be increased later.Also it was investigated the relative effect of self purification event (pathways) on some investigated parameters of water wastes through its streaming in the valley; namely, biological oxygen demand, chloride ions, sulphate ions and phosphate ions.It was considered that Danfeeli and Tigris water proper for irrigation usages for pH, sodium percentages sodium adsorption ratio, مياه نهعية على ه وتأثير الدانفلي ادي له الدائلة للفزالت وبايهلهجية بيئية اسة در مديشة في دجلة نهر . ..
72residual sodium carbonate and potential salinity. However, some problems in salinity were obtained according to standard international classifications.
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