State officials have placed another Nebraska lake under a health alert while continuing alerts on two other lakes, and lifting an alert on one.
The Nebraska Department of Health and Human Services reports Rockford Lake in Gage County has been placed under an alert due to harmful algal blooms, also known as toxic blue-green algae.
Health alerts continue at Holmes Lake in Lincoln and Maple Creek Recreation Area Lake in Colfax County.
State officials have ended the health alert for Kirkman’s Cove in Richardson County.
DHHS reports samples taken this week at Rockford Lake and Maple Creek Lake were above the state’s health alert threshold of 20 parts per billion (ppb) of total microcystin (a toxin released by certain strains of blue-green algae.)
Health alerts remain in effect until lakes pass two consecutive weeks of testing.
While Holmes Lake passed this week, it remains under the health alert until it passes testing next week.
Swimming beaches have been closed at the lakes under health alerts. Signs have been posted to advise the public at the affected lakes.
Recreational boating and fishing are permitted, though the public is advised not to get into the water and not to drink it. Pets also should be kept away from the water. Camping and other outdoor activities remain available.
Weekly sampling has been conducted at 51 public lakes since the beginning of May. The lakes will continue to be monitored weekly throughout the 2018 recreational season. Sampling results for harmful algal blooms and bacteria will be updated every Friday and posted on NDEQ’s web site, deq.ne.gov.
Click here for a fact sheet on algal blooms.