Geologic Maps of Texas…allows a user to select a map and zoom in to see the geology…much easier on the eyes than the paper maps.

TWDB Water Wells in Texas map shows water well location as well as water-level and water quality information for thousands of wells across the state. It is a very useful tool, but users might benefit from the tutorial.

TCEQ Water Wells in Texas map shows scanned driller log information by county or user-defined selected grid.

Soil Map of Texas…allows a user to select an Area of Interest (such as one's property) and generate a specially designed NRCS Soil Survey. Note: Area of Interest must be generated in order to see soil information…see tutorial. 

LCRA Hydromet shows temperature, streamflow, precipitation for all hydromet stations operated by the LCRA. Select the Map Extent (Expanded Lake Area) in the upper left corner and then select (from the next pull-down menu) which type of data to display.

Water Quality in Texas allows the user to retrieve water quality information via map or list. The Segment Name for the Llano River is 1415 (this includes the South Llano). From the list, the user can retrieve selected water quality parameters for each monitoring station. (Note: disable pop-up blocker to receive data report.)

Hill Country Alliance Dynamic Mapping Tool – an interactive map showing data such as Springs, Major Watersheds, and Vegetation for a 17-country area