BERKS COUNTY, Pa. (WPVI) -- Water at a government building in Berks County has tested positive for Legionella.

Officials say the bacteria was found at the Berks County South Campus during routine testing.

Legionella is known to cause Legionnaires' disease , which is a severe form of lung infection.

The county says it will flush the water system and conduct additional testing on Tuesday.

Temporary bathrooms and bottled water are being made available to staff.

Legionella was also detected in the building's water system back in June.

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