Hydrography
Texas Hazard Mitigation Package (THMP)
SUMMARY AND DETAILED DATA
Data Layer: |
River Basins |
|---|---|
Content: |
Major River basins in Texas |
| 23 major river basin boundaries in Texas | |
Use Notes: |
Specific reference for flood analysis and overlay with particular administrative boundaries (i.e. Disaster Districts, Cities, Counties or multi-counties) |
Direct statewide download of this data layer.
User options for downloading this data layer or others by county (or statewide), use the Download Utility |
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Source: |
Texas Water Development Board (TWDB) …Direct access to the data layer source: |
Data Layer: |
Lakes and Reservoirs (Large-scale) |
|---|---|
Content: |
Lakes and Reservoirs in Texas |
| Lakes and Reservoirs in Texas, displayed only at a particular zoomed-in scale | |
Use Notes: |
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Direct statewide download of this data layer.
User options for downloading this data layer or others by county (or statewide), use the Download Utility |
|
Source: |
Texas Water Development Board (TWDB) …Direct access to the data layer source: |
Data Layer: |
Lakes and Reservoirs (Small-scale) |
|---|---|
Content: |
Lakes and Reservoirs in Texas |
| Lakes and Reservoirs in Texas, displayed only at a particular zoomed-out scale. Symbolization of features will vary at different scales. |
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Use Notes: |
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Direct statewide download of this data layer.
User options for downloading this data layer or others by county (or statewide), use the Download Utility |
|
Source: |
Texas Water Development Board (TWDB) …Direct access to the data layer source: |
Data Layer: |
Rivers and Streams |
|---|---|
Content: |
Rivers and Streams in Texas |
| Rivers and Streams in Texas | |
Use Notes: |
Must zoom in to county level to appropriately display data. General reference map and specific reference for flood analysis, fire, drought, etc. |
Direct statewide download of this data layer.
User options for downloading this data layer or others by county (or statewide), use the Download Utility |
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Source: |
Texas Department of Transportation (TxDOT) Data layer was accessed through Texas General Land Office |
Data Layer: |
Major Aquifers |
|---|---|
Content: |
Major Aquifers in Texas |
| 9 major aquifers in Texas | |
Use Notes: |
Aquifer names appear at zoomed in scales. Some aquifers overlap in that they are either below or above each other. |
Direct statewide download of this data layer.
User options for downloading this data layer or others by county (or statewide), use the Download Utility |
|
Source: |
Texas Water Development Board (TWDB) …Direct access to the data layer source: |
Data Layer: |
Minor Aquifers |
|---|---|
Content: |
Minor Aquifers in Texas |
| 21 minor aquifers in Texas | |
Use Notes: |
Some aquifers overlap in that they are either below or above each other. |
Direct statewide download of this data layer.
User options for downloading this data layer or others by county (or statewide), use the Download Utility |
|
Source: |
Texas Water Development Board (TWDB) …Direct access to the data layer source: |
OTHER MAPS AND DATA
Federal Office of Management and Budget (OMB):
Geospatial One-Stop
Environmental Systems Research Institute (ESRI):
Geography Network
United States Geological Survey (USGS):
The National Map
USGS: Earth Explorer
USGS: National Hydrography Dataset (NHD)
USGS: Geographic Names Information System (GNIS)
Texas Natural Resources Information System (TNRIS): Digital Data
TNRIS: Orthoimagery (NAIP)
Texas General Land Office (GLO): Digital Data
Texas A&M University / Spatial Sciences Laboratory:
Texas Spatial Information System
USGS: National Hydrography Dataset (NHD)