Of the more than 400 untested kits reviewed, county officials found 83 that should have been tested.

Officials in St. Joseph County had hoped to lure the plant to an area east of New Carlisle.

The National Weather Service said a record 8.49 inches of rain fell on South Bend in a 24-hour period on Aug. 15-16.

Health officials earlier reported cases in Huntington County near Fort Wayne and central Indiana's Madison County.