Boreholes need rehabilitation when:

–  They are no longer functioning;

–  They are generally deteriorated

–   For periodic maintenance.

The list of the most frequent repair in a borehole includes:

–  Repair or replacement of the pump set;

–   Fishing pump/pipes

–   Blowing the silt

–   Installation of smaller diameter size PVC casing

–   Apron repair or re-casting.