TWDB Maps
TWDB's most commonly requested maps are available for download. Maps with a large file size will be zipped to decrease download time. To download: Please click the links to view the file, or to print, right-click and choose "Save Target As..." and save the file to your computer first.
Please use the GIS Order Form to order.
Natural Features

Texas Water 2012 - Combination of 15 different maps of Texas, most from the 2012 State Water Plan.

Major Aquifers - Displays 9 major aquifers and all county boundaries.
Major Aquifers - 8 x 11 inches map
Major Aquifers - 24 x 24 inches map
Major Aquifers - 36 x 36 inches map

Minor Aquifers - Displays 21 minor aquifers and all county boundaries.
Minor Aquifers - 8 x 11 inches map
Minor Aquifers - 24 x 24 inches map
Minor Aquifers - 36 x 36 inches map

Major Texas Water Resources - Displays major Texas surface and groundwater resources with major river basins, existing reservoirs, major rivers, major cities, streams and major aquifer features over subdued DEM.

Major Surface Water Features - 34 x 34 inches map - Displays existing reservoirs, river basins, major rivers and streams, and all county boundaries. Updated 10/2009.

Major Texas Rivers - 34 x 34 inches map - Highlights the major rivers, with river basins, existing reservoirs, major aquifers, city and county boundaries subdued. Updated 10/2009.

4 map composite - This map is composed of the Major Aquifers of Texas, the GMA boundaries of Texas, The Regional Water Planning Areas, and the Groundwater Conservation Districts in Texas.

Major River Basin - The 23 major river basins.
Major River Basin - 8 x 11 inches map
Major River Basin - 24 x 24 inches map

Major River Basins In Texas overlain on DEM - 34 x 34 inches map - The 23 major river basins overlain on a Digital Elevation Model (DEM).

Texas Major River Basins and Sub-Basins on DEM - Displays the major river basins and sub-basins on a Digital Elevation Model (DEM).

Wells Measured by TWDB and Cooperators - Displays wells measured for water levels in 2001 through 2008 by TWDB and Cooperators, 8.5 x 11 inches.

Wells' Water Quality Sampled by TWDB for Water Quality Analysis - Displays wells sampled for analysis from 2001 to 2009, 8.5 x 11 inches.
- Wells Water Quality Sampled on 2001
- Wells Water Quality Sampled on 2002
- Wells Water Quality Sampled on 2003
- Wells Water Quality Sampled on 2004
- Wells Water Quality Sampled on 2005
- Wells Water Quality Sampled on 2006
- Wells Water Quality Sampled on 2007
- Wells Water Quality Sampled on 2008
- Wells Water Quality Sampled on 2009

Reservoir Basin Plates - Map Series - Displays map and information on individual reservoirs or lakes, and their associated dams.
Administrative Boundaries

Groundwater Management Areas - Displays newly-established Groundwater Management Areas and county boundaries.
Groundwater Management Areas - 8 x 11 inches map
Groundwater Management Areas - 36 x 36 inches map

GMAs with Major Aquifers - 24 x 24 inches map - Displays newly-established Groundwater Management Areas and county boundaries with major aquifers.

GMAs with Minor Aquifers - 24 x 24 inches map - Displays newly-established Groundwater Management Areas and county boundaries with minor aquifers.

Groundwater Conservation Districts - Includes confirmed and pending districts, county boundaries. Districts are current as of January 2013.
Groundwater Conservation Districts - 8 x 11 inches map
Groundwater Conservation Districts - 11 x 17 inches map
Groundwater Conservation Districts - 24 x 24 inches map

GCDs with Groundwater Management Areas (GMAs) - Includes confirmed and pending districts and Groundwater Management Areas. Districts are current as of January 2013.

GCDs with Regional Water Planning Areas (RWPAs) - 24 x 24 inches map - Includes confirmed and pending districts and Regional Water Planning Areas. Districts are current as of January 2013.

GCDs, GMAs, RWPAs & Major Aquifers - 35 x 35 inches map - Includes confirmed and pending districts, major aquifers, Regional Water Planning Areas and Groundwater Management Areas. Districts are current as of January 2013.

Regional Water Planning Areas - Displays the boundaries for all TWDB Regional Water Planning Area jurisdictions.
Regional Water Planning Areas - 8 x 11 inches map
Regional Water Planning Areas - 30 x 35 inches map

CA Inspection and Field Support Services Offices - Contact information and geographic coverage area map for inspection field offices. Updated September 2009.

River Authorities and Special Law Districts - Map displays district authority and statutory boundaries, but does not necessarily represent service areas.
River Authorities and Special Law Districts - 8 x 11 inches map
River Authorities and Special Law Districts - 34 x 34 inches map

Regional Water Planning Areas - Map Series - These maps include regional water planning areas, rivers, river basins, existing reservoirs, major aquifers, city and county boundaries, 8.5 x 11 inches.

Groundwater Management Areas - Map Series - These maps include groundwater management areas, rivers, river basins, existing reservoirs, major aquifers, city and county boundaries, 8.5 x 11 inches.

Texas Counties with Water Well Grids - Map Series - The map series consists of 156 total maps covering the State of Texas with the water well numbering grid overlaid. All maps are 30 x 30 inches.

