Slovak Geol. Mag., 19, 1 (2019), 43 – 68 4. Influence of Monitored Environmental Burdens on Groundwater and Surface Water Quality – General Results Jozef Kordík, Igor Slaninka, Róbert Jelínek, Eva Lenhardtová, Ingrid Mašlárová & Renáta Repková State Geological Institute of Dionýz Štúr, Mlynská dolina 1, 817 04 Bratislava,
[email protected] Abstract: Since 2012, the State Geological Institute of Dionýz waste dumps, unsecured pesticide and other hazardous Štúr has been carrying out tasks related to the monitoring of con- substance storages, military areas, sites affected by mineral taminated sites, so-called environmental burdens, currently at extraction and their processing and others. 309 sites. The aim of the work is to monitor the release of pol- In recent years, the systematic attention has been paid lutants into the environment (especially groundwater and surface water) and to assess trends in the development of contamination. to the issue of EB both in Slovakia and abroad. Quite A large number of data on groundwater and surface water quality complexly, the issue of exploration, monitoring and are collected and analysed as part of the monitoring work. remediation of EB is described in the work Šottník et al. The chemical composition of water is often changed around en- (2015). Between 2012 and 2015, a number of detailed vironmental burdens and is shifting from standard types, such as geological investigations of selected EB were carried out Ca-HCO3 and Ca-Mg-HCO3, to types with a higher proportion which also included an assessment of the risk analysis of of substances of secondary origin (Na+, Cl-, SO 2-), which is re- 4 the polluted area, such as works of Urban et al.