Founder Effect. The Founder Effect is defined as a type of bottleneck, a type of genetic drift describing the loss of the allelic variation that accompanies founding of a new population from a very small number of individuals (a small sample of a much larger source population).
For example, two well drilling companies -- one in Pennsylvania and one that covers New Hampshire, Vermont and central Massachusetts -- state the cost for drilling a well and outfitting it with pump equipment averages between $5,000 and $7,000, at the time of publication.
Cost to Service a Well Pump. Obviously, the price of repair depends on the type of problem and how difficult it is to fix. The type of well and the depth of the well impact price, too, as do the company you choose and local labor rates. You could spend anywhere from $200-$1,200. However, most service calls cost closer to $600-$800.