Residents and businesses within the Cairns region are asked to conserve drinking water, as work to remove debris from water intake infrastructure commences.
Assessments of the intake at Crystal Cascades, which supplies the water treatment plant at Tunnel Hill, are being undertaken to assess the blockage.
To conserve the existing water supplies stored in reservoirs, residents and businesses are requested to use water for essential use only.
Water from the reservoirs is safe to drink and does not need to be boiled.
The notice to conserve water is likely to remain in place until at least the end of this week.
Council will advise when this notice has been lifted.