National Groundwater quality monitoring network ; analysis in 1989; The results of the Province of Groningen.

Abstract niet beschikbaarThe Dutch groundwater quality monitoring network includes 380 monitoring points. The frequency of sampling is once a year. The objectives of the network are: - to make an inventory of the present quality in relation to soil use, type of soil and hydrogeological conditions ; - to distinguish long term changes in quality ; - to provide data for quality control and groundwater control ; - to indicate the extent of human influence on groundwater quality. This report gives the results of analysis in 1989 from 21 monitoring points in the province of Groningen.DGM/DWB-