The closed mine that had produced lead, copper and zinc before in Utanobori Area of Kitami Esashi Town had been run near this creek.
In order to keep this water flow clean and not-contaminated, the waste-water fountaining from the closed mine should be treated appropriately forever.
To reduce the cost of the treatment, Passive Treatment may be valid and available. The beautiful nature and Godsend around us should be handed down to next generations sincerely.
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