All too often when a pump stops delivering water it is removed, repaired and reinstalled in the same conditions. A detailed and careful look at the performance history of the installation and the symptoms of failure will lead to corrective or remedial actions being taken to prevent a similar failure from occurring in the future. This process is known as a Root Cause Analysis.
Groundwater reserves in Africa are estimated to be 20 times larger than the water stored in lakes and reservoirs above ground. They are a vital source of drinking water in sub-Saharan Africa, where groundwater is often the only year-round supply of fresh water in rural areas.
National Groundwater Information System (NGIS) is a portfolio of projects designed to meet increasing demands for groundwater information in a rapidly changing water business environment. The portfolio of the NGIS project includes several applications, namely NGA, CHART and the Geohydrological Reports System.
In a serendipitous way, Mandela Day directed Dr Jefrey Pilusa, a JG Afrika Associate and engineer, back to Maseke Primary School, near Phalaborwa, where as a young boy, he gathered with classmates around a blackboard under a tree.
The book is a comprehensive overview of well systems ideal for everyone working in the groundwater field. It is designed to be a valuable resource for well designers, contractors, engineers, water managers, and hydrogeologists.