Processing Modflow is a specialized tool used by hydrogeologists around the world, including UA-Systems experts , to create detailed groundwater flow models to display complex hydrodynamic and hydrochemical information in a more accessible form.

Processing Modflow offers a wide range of functions and includes many components, each of which is designed to perform certain operations. The application allows you to use models created using numerous three-dimensional versions of MODFLOW , including MODFLOW-96, MODFLOW-2000, MODFLOW-2005 and MODFLOW-NWT. Modflow processing includes a wide range of simulation files and packages designed to solve a variety of problems. These include MT3DMS, SEAWAT, RT3D, PHT3D and PEST.

• MT3DMS is a modular three-dimensional transport model used to model advection, dispersion and chemical reactions.

• SEAWAT is a program for modeling of three-dimensional variable groundwater flow.

• RT3D is a transport model based on MT3DMS that helps to simulate different scenarios.

• The PHT3D is a multi-component transport model for three-dimensional jet flow in saturated porous media. PHT3D is a combination of MT3DMS and PHREEQC-2. The PHREEQC component allows the simulation of various low temperature aqueous geochemical reactions.

• PEST is a package designed for parameter estimation and uncertainty analysis in computer models, allowing model calibration.

UA-Systems actively uses modeling of hydrogeological processes using Modflow to calculate groundwater reserves, predict the flow of ash dumps and tailings ponds, calculate water depletion and filter curtains.