February 02, 2021 MATTAWA, Wash., Feb. 1, 2021 /PRNewswire/ -- The Port of Mattawa is working to expand and improve the infrastructure of its Wastewater Treatment System to accommodate the increasing growth of the wine grape crushing/bulk wine-making industry in central Washington as well as support other food processing in the Mattawa area, which will help to retain and create jobs and increase economic development in the south Grant County/Mattawa area. The State of Washington is the nation's second largest wine producer, with over 1,000 wineries and an economic impact of $8.4 billion. Washington State's wine production has more than doubled over the past two decades, and the Port of Mattawa has become a major production area of bulk wine in Washington State, thus increasing the need for wastewater treatment capacity in Mattawa.