A concern about radiation from the old Genoa nuclear power plant has been cleared up.
Consultants involved in cleaning up the former reactor site along the Mississippi River said radioactive tritium apparently got into water outside the old building from an exhaust vent.
The high level of radiation in water samples reportedly did not get into drinking water or the river.
Dairyland Power operated the nuclear reactor at Genoa for 20 years, until it was shut down in 1987 to save money.
Decontamination work has been done at the reactor site since then.