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Augers can be used up to a depth of about 15-25 meters, depending on the geology.
{{procontable | borderpro="1" cellpadding="5" cellspacing="0" align="center"|-! width="50%" style="background:#efefef;" | Advantages! style="background:#ffdead;" | Disadvantages|-| valign="top" | - Easy to use above the groundwater table <br>| valigncon="top" | - It may be very difficult to remove the temporary casing. If clay layers are penetrated, it is very difficult to use a temporary casing, as it sticks to the clay. <br>|-| valign="top" || valign="top" | - The borehole does not stay open if a collapsing sand layer is encountered below a clay layer (through which the temporary casing could not penetrate).|}}
==Construction, operations and maintenance==
