A river in Japan turned bright green overnight after chemicals used in the bath salt-making process were dumped into the water.<br /><br />Concerned residents in Ikoma City, Nara Prefecture, alerted authorities after the Tatsuta River turned bright green.<br /><br />Ikoma City's Environmental Conservation Division launched an investigation and warned against locals using the river.<br /><br />They found that large quantities of sodium fluorescein had been dumped by the river bank, which is red - but turns green when coming in contact with water.<br /><br />Ikoma City officials released a statement: "There were traces of a red substance dumped into the river from the road, and it was recognized that the substance left on the road turned green when water was poured on it.<br /><br />"It is believed that this caused the river water to become coloured.<br /><br />"Sodium fluorescein, the main component of colouring agents used in bath salts, was detected.<br /><br />"The Safety Data Sheet for Sodium Fluorescein states that there are no physical or chemical hazards or health hazards.<br /><br />"In addition to the names and physicochemical properties of chemical substances contained in chemical products, dangers, toxicity, first aid measures in case of exposure, handling methods, storage methods, disposal methods, etc.<br /><br />"Since the safety of the water was confirmed by the announcement from Nara Prefecture, we have lifted the warning against using water for agricultural purposes."<br /><br />The Tatsuta River is described as a picturesque body of water that connects multiple towns and cities in the region.<br /><br />The footage was captured on July 5.
