Underground Water Bores
There is a network of bores which measure the depth of the water table and other information.
Click here for a map of the sites.
Then zoom in to the area of interest (Lismore?)
In the table of layers click on "groundwater bores" of DEPI WMIS and FedUniSpatial. Play with the other layers also.
Then click on the blue or red cross to bring up a table.
Click on Monitoring to see the depth of the water table.