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Texas Basemap - Hydrology Map Data

Authors: David Arctur · David Maidment
Owners: Harvey datamgr · David Arctur
DOI:10.4211/hs.5efdb83e96da49c5aafe5159791e0ecc How to Cite
Resource type:Composite Resource
Created:Apr 17, 2018 at 9:11 a.m.
Last updated: Dec 05, 2018 at 5:16 p.m. by David Arctur


This resource contains Texas statewide hydrologic map data for about 100,000 NHD (National Hydrography Dataset) stream reaches and associated catchments & subwatersheds [1], covering 190,000 stream miles in Texas. Additional map layers include dams, FEMA floodplains and warning zones [2], stream gages [3], and National Weather Service River Forecast Points [4].

The USGS stream gages and NWS AHPS forecast points both have a URL field, which takes you to the authoritative webpage for each selected gage or forecast point.

[1] NHDPlus Version 2 [http://www.horizon-systems.com/NHDPlus/V2NationalData.php]
[2] Esri Living Atlas [https://livingatlas.arcgis.com]
[3] USGS NWIS [https://waterdata.usgs.gov/nwis]
[4] NOAA AHPS [https://water.weather.gov/ahps/forecasts.php]

Subject Keywords

Floodplains,NHD,NFHL,AHPS,NWS,FEMA,NHDPlus,Gages,Watersheds,NOAA,Catchments,Streams,USGS,Dams,Flowlines,TNRIS,National Flood Hazard Layer,Rivers,Basemap,TCEQ,Texas,gauges,lakes

How to cite

Arctur, D., D. Maidment (2018). Texas Basemap - Hydrology Map Data, HydroShare, https://doi.org/10.4211/hs.5efdb83e96da49c5aafe5159791e0ecc

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


Sharing status:

  • Published Resource  Published



 Coordinate System/Geographic Projection:  WGS 84 EPSG:4326
 Coordinate Units:  Decimal degrees
North Latitude
East Longitude
South Latitude
West Longitude


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The people or organizations that created the intellectual content of the resource.

Name Organization Address Phone Author Identifiers
David Arctur University of Texas at Austin 512-771-1434
David Maidment University of Texas at Austin
cites: NHDPlus Version 2 [http://www.horizon-systems.com/NHDPlus/V2NationalData.php]
cites: Esri Living Atlas [https://livingatlas.arcgis.com]
cites: USGS NWIS [https://waterdata.usgs.gov/nwis]
cites: NOAA AHPS [https://water.weather.gov/ahps/forecasts.php]
This resource belongs to the following collections:
Title Owners Sharing Status My Permission
Texas Addresses Basemap Collection David Arctur  Published Open Access


This resource was created using funding from the following sources:
Agency Name Award Title Award Number
National Science Foundation (NSF) RAPID: Archiving and Enabling Community Access to Data from Recent US Hurricanes 1761673


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