Gross Domestic Product: Water Transportation (NAICS 483) in Iowa was 21.40000 Mil. of $ in January of 2022, according to the United States Federal Reserve. Historically, Gross Domestic Product: Water Transportation (NAICS 483) in Iowa reached a record high of 52.60000 in January of 2000 and a record low of 15.20000 in January of 2019. Trading Economics provides the current actual value, an historical data chart and related indicators for Gross Domestic Product: Water Transportation (NAICS 483) in Iowa - last updated from the United States Federal Reserve on May of 2024.