Residents of the Białystok district in Poland have received an urgent alert from the country’s Government Security Centre (RCB) regarding the water supply. The alert concerns water sourced from the Grabówka waterworks and warns that it is currently unfit for human consumption. Specifically, the water should not be used for drinking or washing. Authorities currently permit its use only for economic purposes, such as flushing toilets or industrial applications. The RCB message indicates a potential contamination issue affecting the water quality. Further information regarding the cause and duration of the alert has not yet been released. Residents are advised to follow local guidance and await updates from officials.