Completed Surveys & Data
The TWDB's survey reports and survey data in GIS shapefile format are available for download below. Authorization for the use or reproduction of any original material contained in these publications, i.e. not obtained from other sources, is freely granted. The TWDB would appreciate acknowledgement. The TWDB shall not assume any liability regarding the presentation or reproduction of this survey information or for the misuse of this information in a manner not consistent with the survey design; for example, maps produced from this volumetric survey are not intended for use as recreational boating maps, fishing maps, or for reservoir boundary determinations.
Printed contour maps are available through the TWDB Map Catalog.
For reservoir survey data requests, please contact: Hydrosurvey or call (512) 936-0815