A catchment is the area of land surrounding a dam and the river that feeds it. Rain falling in the catchment area that isn't absorbed into the ground runs into the river and dam. The quality of the water is determined by how 'clean' the catchment area is. It is important that we take care of our catchment areas, as good water quality is important for healthy and successful communities.

ACT water supply catchments

The ACT draws its water supply from three separate catchment systems: