Nebraska health officials are warning people to stay out of Big Indian Lake in Gage County and Willow Creek Reservoir in Pierce County because of toxic blue-green algae blooms.
Officials said in a news release that the alerts were issued following water tests.
Alerts continue at Rockford Lake in Gage County and Maple Creek Recreation Area Lake in Colfax County. An alert for Holmes Lake in Lincoln has ended.
Skin exposed to the toxin can develop rashes and blisters, and drinking tainted water could cause headaches, nausea and muscle pain.