On June 17, Minister of Environment Han Wha-jin visited the Seohwacheon basin of Daecheongho lake in Okcheon-gun, Chungcheongbuk-do, where the algal bloom frequently occurs in summer. The Minister inspected various equipment to respond to the algal bloom, such as algae removing ships and aeration devices. During her visit, the Minister requested the staff to ensure drinking water safety.