Search the Borehole Water Journal Online
Looking for a previous volume of the Journal, or articles on a particular topic?
Looking for a previous volume of the Journal, or articles on a particular topic?
The Department of Water Affairs and Sanitation has a groundwater page on the DWS website which provides valuable information on groundwater.
Copyright © Borehole Water Association of Southern Africa
Variations in the Total Dynamic Head (TDH) used in the selection of borehole pumps creates a situation where there is no single duty point but a range of duty points that move between a maximum and a minimum value.