Water is an essential aspect of life and important in evolution. Recently the potable water quality topic has received much attention. The study aims to determine drinking Al-Najaf City by collecting samples throughout city comparing results with Iraqi guidelines (IQS 417) World Health Organization (WHO) guidelines, as well calculate WQI. Samples were tested laboratory between December 2021 Jun...

background: survey of pollution and evaluation of water quality in rivers with oregon water quality index (owqi) and gis are effective tools for management of the impact of environmental water resources. the information in calculating the wqi of moradbeik river allowed us to take our tests results and make a scientific conclusion about the quality of water. gis can be a powerful tool for develo...

In the South African National Water Act (NWA, No 36 of 1998), the ecological Reserve is defined as the quality and quantity of water required to ensure appropriate protection of water resources, so as to secure ecologically sustainable development and use. Aquatic ecosystems are recognised as the core location of water resources, and although considerable progress has been made in developing me...

Background & Aims of the Study: Water resources are useful or potentially useful. Uses of water are included agricultural, industrial, household, recreational and environmental activities. The majority of human uses require fresh water. Rivers are parts of this fresh water that play a very important role in the water cycle, acting as drainage channels for surface water. Hence, ...

Sông Ray là một trong những hệ thống sông chảy qua tỉnh Đồng Nai và Bà Rịa - Vũng Tàu. Nước có tầm quan trọng việc phục vụ sinh hoạt, công nghiệp nông nghiệp. Tuy nhiên, hiện nay chất lượng nước ngày càng ảnh hưởng nghiêm bởi các hoạt động vui chơi giải trí, du lịch, chăn nuôi, phân bón thuốc trừ sâu. Do đó, nghiên cứu nàyđược thực với mục đích xác định đánh giá thông số hóa lý trọng. Mẫu được ...