Groundwater in the country's central region is severely polluted, a new survey commissioned by the Water Commission reveals.

The survey, conducted by researchers from Hebrew University and Ben-Gurion University, found dozens of violations of drinking water standards in the area around Ramat Hasharon, Herzliya and Tel Aviv, along with traces of toxic materials, mainly from the nearby Israel Military Industries plant.

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Water in the IMI complex also contained very high concentrations of various poisonous materials used in making explosives, as well as of chromium, a carcinogenic metal. Another carcinogen, trichloroethylene, was found in high concentrations in four drill sites outside the IMI complex as well.