The study area of Captains Flat is located in the upper reaches of the Molonglo River catchment, near to the rivers headwaters in the Tallaganda State Forest. It lies at the confluence of the Molonglo River with Keatings Collapse and Kerrs creek, and also incorporates a local drainage path, referred to as Town Creek in this report.

The Flood Study details:

• Review of available data including; previous flood related reports and studies, previously constructed hydrologic and hydraulic flood models, and council GIS information;
• Collection of additional survey information;
• Results of the community consultation process;
• The calibration and verification of the hydrological and hydraulic models;
• The existing flood behaviour of the study area for a range of flood events; and,
• A preliminary assessment of flood and risk management options.