There are complete packages for hydro geological surveys, water well drilling, storage tanks, pump installations and filtration equipment. All boreholes should be suitably tested for the amount of water and drawdown available. This is usually a minimum of three hours for domestic and can run into days for commercial. This section includes enterprises in Zambia that provide borehole and water well drilling services as well as pumps powered by electricity, solar or wind. In general these enterprises cater for both industrial and domestic water supply needs in Zambia.