ABSTRACT

Groundwater modeling in some form is now a major part of most projects dealing with

groundwater development, protection, and remediation. As computer hardware and soft-

ware continue to be improved and become more affordable, the role of models in highly

quantitative earth sciences such as hydrogeology will continue to increase accordingly. It is

essential, however, that for any groundwater model to be interpreted and used properly, its

limitations should be clearly understood. In addition to strictly ‘‘technical’’ limitations,

such as accuracy of computations (hardware and software), the following is true for

any model:

. It is based on various assumptions regarding the real natural system being modeled.