About soil survey result and correspondence situation in redevelopment of Nishiya water purification plant

In Water Works Bureau, we are proceeding with the redevelopment of the Nishiya Water Purification Plant, which aims to make the Nishiya Water Purification Plant earthquake-resistant and increase processing capacity. In this construction, we were conducting a survey based on the Soil Contamination Countermeasures Law, and we will inform you that "fluorine and its compounds" that exceeded the standards were newly detected in some soil on the premises.