St. Marys River At Decatur, In — Indiana River Flow Rate

Live USGS stream gauge data for St. Marys River At Decatur, In in Indiana. 7, 14, and 30-day flow rate, gauge height, and water temperature charts with…

Flow rate charts for St. Marys River At Decatur, In (USGS site 04181500) in Indiana. View 7-day, 14-day, and 30-day historical flow and gauge height data, plus a wading condition indicator updated every 15 minutes from USGS Water Resources monitoring data.