This paper presents project and realization of relational database system designed for store and analyzes data from pollution monitoring of the waste landfill. Stored data contains valuable information about pollutants concentration and physical and chemical properties of the landfill gas, surface water and underground water. This application has ability to perform statistical analysis of selected data. The statistical module contains descriptive statistics, correlation analysis, confidence interval and test of significance of expected value.This system was made using Microsoft Access 97 and programming languages: SQL and Visual Basic for Application (VBA), which are included in MS Access. Applied solutions are characterized by easy to operate and develop as well as access to data from a lot of othe programs likeMicrosoft Excel, Statistica or Matlab.