The state has issued a health alert for toxic blue-greenalgae at Lone Star Lake in Fillmore County.
This is the first health alert issued in the 2013recreational season. Weekly sampling has been conducted at 50 public lakesin Nebraska since the beginning of May.
Samples taken in the past week at Lone Star Lake were abovethe state's health alert threshold of 20 parts per billion (ppb) of totalmicrocystin -a toxin released by certain strains of blue-green algae. The alertwill continue at the lake for at least two more weeks, as lakes that are onhealth alert must have two consecutive weeks of readings below the thresholdbefore being declared safe.
Signs are posted to advise the public to use caution anddesignated swimming beaches are closed during the alert.
Recreational boating and fishing are still permitted, butthe public is advised to avoid activities that could involve accidentalingestion of water and to avoid full immersion in water. People can stilluse the public areas for camping, picnics and other outdoor activities.
The lakes will continue to be monitored weekly throughoutthe 2013 recreational season. Sampling results for toxic algae andbacteria will be updated every Friday and posted on NDEQ's web site, www.deq.ne.gov.