Restoring Flow through Water Well Rehabilitation
The performance (flow rate and drawdown) of water wells and their water quality can deteriorate over time. This is a natural occurrence and common experience of mechanical structures. The situation is not always bleak when a household water well fails to produce the water it did when it was first installed. Instead of the expense of abandoning the well and installing a new one, a professional contractor can often “rehabilitate” the well and restore flows that provide enough water for household or farm needs.
Upon what does a contractor base the decision to rehabilitate a well? Several factors are involved, including the ground formation that the well is drilled in, the construction of the well, and the problem that has caused the decreased flow. Sometimes, the water table in the area has dropped and simply drilling the well deeper is the answer.
Important points about well rehabilitation: 1) It is not always as straightforward as well drilling, and 2) it takes time, usually more than one day, and often several. An alternative water supply such as a hauled tank, or scheduling when the occupants are away, is recommended.
The following are more answers to questions concerning well rehabilitation.
For more information on rehabilitating a water well system, contact a professional contractor in your area. It should be noted that not all well contractors perform well rehabilitation, and we recommend working with one that is experienced in this specialized task. A list of National Ground Water Association-member and certified contractors is available at the Contractor Lookup section of this Web site.