English Abstract The National Groundwater Monitoring Network has been
operational since the early eighties. Thousands of pieces of data on
groundwater quality have been collected. The need for a uniform storage of
monitoring data at the National Institute of Public Health and Environmental
Protection led to the choice of the database manager INGRES (Relational
Database Management System). This report presents an inventory of the
network's attributes with the aim of discovering shortcomings in the
knowledge of the attributes and preparing the implementation of a monitoring
information system developed with the INGRES system. The attributes
incorporated into the database are classified as time dependent and time
independent items. The time independent items are related to the monitoring
points (boreholes with screens). The time dependent items are supplemented
each year with results of laboratory analysis and field
measurements.
