Groundwater pollution Red River Delta/Vietnam
Hydrochemical survey
Hydrochemical survey
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The data of the extensive groundwater survey in the Red River (Vietnam) is presented as a hydrochemical atlas comprising 42 different chemical parameters. We found that 65% of all studied wells exceed the WHO guideline values for arsenic, manganese, barium, selenium or a combination of these elements. Correspondingly, geogenic groundwater pollution in the Red River delta poses a serious long-term health threat to about 7 million people. This is particularly worrying since groundwater is the main source of drinking water.
Database
Quality assurance and quality control of chemical analyses
- QAQC RRD Vietnam [pdf]
