Notes on use
Please note the following precautions on the use of the infromation of this sytem
This website shows real-time data received from unmanned observation sites.Data error may occur during inspection or malfunction of monitoring equipment.
A caution water level and warning water level are determined for each observation site as a measure for flood prevention activities and alerting the public. The caution water levels and warning water levels may change based on water level fluctuation.
Flood may occur before observation sites reach caution water level and/or warning water level in some areas that are low grounds or due to heavy localized rainfall.
The PC site is automatically refreshed every minute while the mobile site may be refreshed by selecting the icon.
This website may be changed, suspended, or terminated without prior notice.
This website has been in operation since April 1, 2017.