The Hydrology and Hydraulics Branch provides for the safe and efficient operation of all district water resource projects, including navigation, through the accurate collection, processing, evaluation, and forecasting of hydro-meteorological data.  Branch personnel are involved in project designs and evaluations for Flood Risk Management, Floodplain Management, Hydrologic Studies, Environmental and Ecosystem Restoration, Streambank Protection, Dredging and Channel Maintenance for Navigation, River Navigation, Water and Sediment Quality Studies/Regulatory Compliance, Reservoir Sedimentation Surveys, and support for the Dam and Levee Safety Programs. 

Engineering and Construction Division
USACE Rock Island District
PO Box 2004
Rock Island, Illinois 61204

(309) 794-5159