Uranium Contamination in Delhi:
New groundwater testing by the Central Ground Water Board shows rising uranium levels in Delhi, with 13–15% of samples showing elevated contamination.Uranium contamination refers to the presence of uranium— a naturally occurring radioactive heavy metal— in groundwater at levels above permissible limits for safe drinking water.
World Health Organization (WHO) guideline
30 micrograms per litre (µg/L)
Equivalent to 03 milligrams per litre (mg/L).
BIS (Bureau of Indian Standards) – IS 10500:2012 (Revised)
