Consultant services for a report about the South Esk River catchment and the interaction between the South Esk River, localised alluvial groundwater aquifers and the Longford groundwater basin. The report incorporates existing transmission loss studies for the upper half of the South Esk and will include transmission loss estimates for the full length of the South Esk River. The project aim is to develop a conceptual model of the South Esk basin and how the South Esk River interacts with the local geology and the broader Longford groundwater basin.