An annual report card is prepared each year on the in-stream health and water quality of South East Queensland streams, estuaries and bays. HARC assisted BMT WBM with the catchment modelling for the 2015-16 report card. BMT-WBM’s receiving water models are provided with inputs daily time step eWater Source models of the catchments draining to them. The Source models produce daily flow estimates and daily loads of nutrients and sediment.