E. coli bacteria positive at Johnson Lake
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E. coli bacteria positive at Johnson Lake
Johnson Lake has tested positive for E. coli bacteria. The levels have not reached a stage where a Health Alert will be issued. Health officials urge extra caution as bacteria conditions change. The health department said they want people to be aware of the beach conditions and use their own judgement as to whether they use a listed body of water.
The Two Rivers Public Health Department announced Friday that Johnson Lake has tested positive for E. coli bacteria.
On May 19, Johnson Lake test results for the bacteria came back 1203 MPN (most probable number) per 100ml.
When bacterial levels test above 235 count per 100 ml, conditions are at a higher risk to human health when swimming.
Nebraska Department of Environment & Energy bacteria monitoring map (NDEE)
Click to view Beach Watch list from Nebraska Dept. of Environment and Energy
The levels have not reached a stage where a Health Alert will be issued but health officials do urge extra caution as bacteria conditions change.
The health department said they want people to be aware of the beach conditions and use their own judgement as to whether they use a listed body of water.
Click to learn more about E. coli
What should I do if I find the levels are above the risk-based guidelines?
Avoid any situation which could cause you to swallow lake water
If you have been in contact with lake water, shower afterward
If you have been in contact with lake water, wash hands before eating
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Source: https://www.ksnblocal4.com/2025/05/23/e-coli-bacteria-positive-johnson-lake/