The cost of a water well Drilling Rig depending on several factors, including the type of rig, its specifications, brand, and whether it's new or used. Additionally, market conditions, location, and any additional accessories or equipment can affect the price.

If you are just buy a water well drilling rig for personaly family use, the cost of a basic small-scale portable water well drilling rig ranged from around $2,000 to $3,000. However, larger and more advanced rigs used for commercial or industrial purposes can cost anywhere from $1,000 to several hundred thousand dollars.