Major Aquifer 3D Viewer | Texas Water Development Board

Layers
- Groundwater Availability Models
- Geologic Units
- Rock Unit
  
  Member
  
  Structure
- Major Aquifers
- Minor Aquifers
- BRACS Study Areas
- Regional Water Planning Areas
- Groundwater Management Areas
- Groundwater Conservation Districts
- River Basins
- Texas Counties
- 7.5' USGS Grid
- 2.5' State Grid
Base Maps