Officials have pin-pointed the cause of a legionnaires' outbreak in Chemung County.

Six people living at a senior housing complex in Elmira were diagnosed with the disease, and one died.

The Chemung County Health Department says lab tests show a bacteria that causes legionnaires' was found in the hot water system.

Friday evening hot water use was turned off at Edward Flannery Apartments.

A super heated system was being used to flush water tanks, and kill the bacteria.

Legionnaires' is a type of pneumonia caused by a bacteria commonly found in warm water environments.