(Source: The Port of Houston Authority) Tonnage at 15 Million Tons, Led by Container Growth Posted on: June 26, 2013 $20 million operating revenue is highest in port history Tonnage is up this year at the Port of Houston Authority, with container tonnage through May up by 9 percent, Executive Director Len Waterworth reported at Tuesday's meeting of the Port Commission of the Port of Houston Authority. Waterworth also reported that May operating revenue was at an all-time high of $20 million, up 4 percent or $800,000. This marked the first time in Port Authority history that operating revenue has exceeded $20 million. Year-to-date operating revenue of $96 million reflects a $4 million or 5...