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Texas Basemap - Lidar Elevation Data (DEM)

An older version of this resource is available.
Owners: This resource does not have an owner who is an active HydroShare user. Contact CUAHSI ( for information on this resource.
Type: Resource
Storage: The size of this resource is 5.5 GB
Created: Nov 02, 2023 at 9:57 p.m.
Last updated: Nov 03, 2023 at 1:56 p.m.
DOI: 10.4211/hs.af6ae321e2ad40a1bc6d0b695370fbfc
Citation: See how to cite this resource
Sharing Status: Published
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This resource contains Lidar-DEM collection status shapefiles from the Texas Natural Resources Information System (TNRIS) [].
November 2023 updates: this year, TNRIS changed its name to Texas Geographic Information Office (TxGIO). The domain name hasn't changed yet, but the data hub is continually evolving. See [1], [2] for current downloadable data.

For purposes of Hurricane Harvey studies, the 1-m DEM for Harris County (2008) has also been uploaded here as a set of 4 zipfiles containing the DEM in tiff files. See [1] for a link to the current elevation status map and downloadable DEMs.
Project name: H-GAC 2008 1m
Datasets: 1m Point Cloud, 1M Hydro-Enforced DEM, 3D Breaklines, 1ft and 5ft Contours
Points per sq meter: 1
Total area: 3678.56 sq miles
Source: Houston-Galveston Area Council (H-GAC)
Acquired by: Merrick, QA/QC: Merrick
Catalog: houston-galveston-area-council-h-gac-2008-lidar

[1] TNRIS/TxGIO StratMap elevation data []
[2] TNRIS/TxGIO DataHub []

Subject Keywords


Related Resources

This resource updates and replaces a previous version Texas Natural Resources Information System (TNRIS) (2018). Texas Basemap - Lidar DEM, HydroShare,
The content of this resource references TNRIS/TxGIO StratMap Elevation Data Portal []
This resource belongs to the following collections:
Title Owners Sharing Status My Permission
Harvey Basemap Data Collections David Arctur · Harvey datamgr · Christine Thies  Published Open Access



People or Organizations that contributed technically, materially, financially, or provided general support for the creation of the resource's content but are not considered authors.

Name Organization Address Phone Author Identifiers
Joey Thomas Texas Natural Resources Information System (TNRIS) Austin, TX
Miguel Pavon Texas Natural Resources Information System (TNRIS) Austin, TX

How to Cite

Texas Natural Resources Information System (TNRIS), Texas Geographic Information Office (TxGIO) (2023). Texas Basemap - Lidar Elevation Data (DEM), HydroShare,

This resource is shared under the Creative Commons Attribution CC BY.


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