TWIN FALLS, Idaho – Public health advisories have been issued for two south-central Idaho reservoirs due to harmful algae blooms.

The Times-News reports that the South Central Public Health District and Idaho Department of Environmental Quality on Friday issued the advisories for Mormon Reservoir and Salmon Falls Creek Reservoir.

Officials say a toxin produced by the algae is at unhealthy levels, and that children and pets are particularly susceptible.

Officials say they will monitor water quality until the algae bloom dissipates.