PRESS RELEASE
issued jointly from the
Nebraska Department of Health and Human Services – Division of Public Health
Nebraska Department of Environment and Energy
Nebraska Game and Parks Commission

Contact
Emily Case, Department of Environment and Energy,
  (402) 471-4245;Emily.Case@nebraska.gov
Julie Naughton, Office of Communications, DHHS
  (402) 471-1695 (office); (402) 405-7202 (cell); julie.naughton@nebraska.gov
Jerry Kane, Game and Parks Commission, (402) 471-5008
For Immediate Release
August 13, 2021
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Health Alert issued for two lakes

The state has issued a health alert for Harmful Algal Blooms (HAB), also known as toxic blue-green algae, at Rockford Lake in Gage County and Swan Creek Lake (Willard L. Meyer Recreation Area) in Saline County. Wirth Brothers Lake (Site 27) in Johnson County is still on health alert.

Lakes removed from health alert are Calamus Reservoir in Loup County and Iron Horse Trail Lake in Pawnee County.

Samples taken earlier this week at the lakes on alert measure above the threshold of 8 parts per billion (ppb) of total microcystin, which is a toxin released by certain strains of blue-green algae. Based on recommendations issued in 2019 by the U.S. Environmental Protection Agency (EPA), the state of Nebraska adopted this limit after concluding that the new EPA threshold is based on the best scientific evidence available and is protective of public health.

When a health alert is issued, signs are posted to advise the public to use caution, and designated swimming beaches are closed during the alert. Recreational boating and fishing are permitted, but the public is advised to use caution and avoid exposure to the water, particularly avoiding any activity that could lead to swallowing the water. Do not let pets get in the water or drink from the lake. People can still use the public areas for camping, picnics and other outdoor activities.

Weekly sampling has been conducted at 53 public lakes since the first week of May. The lakes will continue to be monitored weekly through the end of September. Sampling results for HAB and bacteria will be updated every Friday and posted on NDEE’s website,
http://dee.ne.gov. The state’s monitoring is conducted at public lakes with swimming beaches and high public activity. HAB may also be present in other lakes in Nebraska that are not tested, so the public should use caution if they see signs of algal blooms.

For more information about what to look for, potential health effects from HAB and steps to avoid exposure, please refer to the following
Fact Sheet. To view the weekly data for the lakes sampled, go to https://deq-iis.ne.gov/zs/bw/.

NDEE’s sampling partners include the Central District Health Department, Nebraska Public Power District, Upper Republican Natural Resources District, Lower Republican NRD, South Platte NRD, Middle Niobrara NRD, Lower Loup NRD, Nemaha NRD, Lower Elkhorn NRD and the United States Army Corps of Engineers.