الفهرس 
List of ContentsOnly 14 pages are availabe for public view
 |  | from | 174 |  |  |
| | | from | 174 | | |
Abstract
A comprehensive survey of the operational status and potential environmental impacts of primary wastewater treatment plant waste in Shoha Model Village (Mansoura-Egypt) was conducted during the period from January to December (2018). For this purpose, samples were taken from four water sources, namely; Raw sewage (before treatment), effluent discharge (after treatment), catfish muscle, and bottom sediments from the Njeire Drain (the receiving watercourse of treated wastewater) and the Nile River (the low-pollution reference stream). The methods of analysis and environmental measurements indicated that the bottom sediments from the future Negir Drain for sewage flowing from the treatment plant stored greater amounts of heavy metals, organic pollutants, total dissolved salts, electrical conductivity, bicarbonate salts, sulfates, chlorides and mineral elements than the bottom sediments from the Nile River. The results showed a similar comparison trend related to water and catfish musculature between the Tajir drain and the Nile River, except for a slight and non-significant increase in copper and nickel elements in the Nijer drain. The current study aimed to provide the local community with data on some physical, chemical and microbiological properties of treated wastewater discharged from the sewage treatment plant in the model village of Shaha (Mansoura City - Egypt). The current study also aimed to explore the nature and characterization of the quality of raw sewage water coming from the outskirts of Shoha region, and its potential impacts on the aquatic ecosystem. The bioaccumulation factor of heavy metals was calculated in fish and bottom sediments. The special objectives of the current study included evaluating the technical and operational status and maintenance plans of the Shoha sewage treatment plant, exploring the relationship between the management system of the sewage treatment plant and related environmental risks, and providing recommendations to reduce threats to the waterways receiving treated water flows.