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Algae alerts for area SE Nebraska lakes

By John Nixon

09/19/2025

(KLZA)--The state of Nebraska has issued a health alert for Harmful Algal Blooms, also known as toxic blue-green algae, at Iron Horse Trail Lake in Pawnee County. Rockford Lake in Gage County and Cub Creek Lake in Jefferson County.

Samples taken earlier this week at the lakes on alert measure above the threshold of eight parts per billion of total microcystin, which is a toxin released by certain strains of blue-green algae.

Signs have been 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 by 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.

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