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Harvey Basemap - Hydrology Map Data

Authors: U.S. Geological Survey (USGS) · NOAA National Weather Service · Texas Commission for Environmental Quality (TCEQ) · David Arctur
Owners: David Arctur · Harvey datamgr
DOI:10.4211/hs.adb14c9c073e4eee8be82fadb21a0a93 How to Cite
Resource type:Composite Resource
Created:May 25, 2018 at 4:04 a.m.
Last updated: Nov 27, 2018 at midnight by David Arctur


This resource contains medium-resolution (1:100k) National Hydrography Dataset (NHDPlus) [1] map data for a region of 39 Hydrologic Unit Code (HUC) 6-digit (HUC6) basins around the Hurricane Harvey impact zone across Texas, Louisiana, Mississippi and Arkansas. This includes 5978 subwatersheds, 190,192 catchments, and 192,267 flowlines.

USGS active stream gages (924) were downloaded from the USGS National Water Information System (NWIS) [2] and augmented with each gage's HUC2, HUC4, HUC6, HUC8, HUC10 & HUC12 basin identifiers, and COMID of the NHD stream reach for the containing catchment. This allows the user to easily aggregate gages by various watershed boundaries.

NOAA Advanced Hydrologic Prediction System (AHPS) [3] has 362 river forecast points in the Harvey study area. Many of these are co-located with USGS NWIS gages to leverage authoritative observation data.

A shapefile of Texas dams (7290) was directly received from the Texas Commission for Environmental Quality (TCEQ) [4]. They suggest if you have any questions about data, to make an Open Records Request [5].

[1] NHDPlus Version 2 [http://www.horizon-systems.com/NHDPlus/V2NationalData.php]
[2] USGS NWIS [https://waterdata.usgs.gov/nwis]
[3] NOAA AHPS [https://water.weather.gov/ahps/forecasts.php]
[4] TCEQ Data and Records [https://www.tceq.texas.gov/agency/data]
[5] TCEQ Open Records Request [https://www.tceq.texas.gov/agency/data/records-services/reqinfo.html]

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How to cite

U.S. Geological Survey (USGS), NOAA National Weather Service, Texas Commission for Environmental Quality (TCEQ), D. Arctur (2018). Harvey Basemap - Hydrology Map Data, HydroShare, https://doi.org/10.4211/hs.adb14c9c073e4eee8be82fadb21a0a93

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
U.S. Geological Survey (USGS)
NOAA National Weather Service
Texas Commission for Environmental Quality (TCEQ) Austin, TX
David Arctur University of Texas at Austin 512-771-1434
cites: NHDPlus Version 2 [http://www.horizon-systems.com/NHDPlus/V2NationalData.php]
cites: USGS NWIS [https://waterdata.usgs.gov/nwis]
cites: NOAA AHPS [https://water.weather.gov/ahps/forecasts.php]
cites: TCEQ Data and Records [https://www.tceq.texas.gov/agency/data]
cites: TCEQ Open Records Request [https://www.tceq.texas.gov/agency/data/records-services/reqinfo.html]
This resource belongs to the following collections:
Title Owners Sharing Status My Permission
Harvey Basemap Data Collections David Arctur · Harvey datamgr  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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