Floodplains along river systems of the northern Murray-Darling Basin contain a diversity of wetland habitats, maintained through highly variable patterns of flood inundation. However, in catchments such as the Border Rivers, the development of irrigation farms on floodplain areas and subsequent flow regulation has reduced the extent and frequency of floods and led to a Due to the flow variability of the system, irrigators use on-farm water storages to store water until required for irrigation. With the decline in natural wetlands, these water storages may now represent a key form of artificial aquatic habitat within the Border Rivers. A conceptual model was developed to explore the drivers affecting the biodiversity of on-farm storages. It is believed that ring tanks with a greater selection of habitat types and more complex morphology will support a more abundant and diverse animal community. Potential management options to improve storage biodiversity include adding coarse woody debris to the banks, planting aquatic vegetation and limiting recycled tailwater to only one storage on the property.