Our prices for water well drilling are done on a per foot base. The cost will be broken down for the drilling plus the casing (liner). The casing needed will depend upon the formation that is encountered. If the hole stays open (solid rock), we can lower a PVC liner down the well; if the hole will not stay open (loose gravel), we will need to pound the steel liner down. In some locations, we will need to use a combination of both the PVC and steel liner to case the well.