Published: Nov 02, 2010 4:49 PM EDT
Updated: Nov 02, 2010 1:49 PM EDT

WEST PALM BEACH, Fla. (AP) - A man working at a South Florida water plant fell about 30 feet in a water tank.

Authorities say the man was flown to a hospital Tuesday, but the extent of his injuries wasn't immediately known.

He was working at a Palm Beach County water plant.

The man wasn't immediately identified.