👉 Boreholes, also known as boreholes or wells, are a type of well that is drilled into the ground. They are used to extract water from underground sources such as aquifers and groundwater, which can be very expensive and difficult to access due to the distance required for drilling. The term "borehole" has been in use since the 19th century and refers to a hole or channel dug through the earth's surface. It is often used to describe an underground reservoir of