All Water Rights (0)
Water Rights As Single Points (3)
Environmental Flows Measuring Point (4)
Final Determination Watershed (5)
Groundwater Conservation District (6)
Priority Groundwater Management Area (7)
Regional Water Planning Area (8)
Watermaster Area (9)
| Brazos |
| Concho |
| Rio Grande |
| South Texas |
River Basin Boundary filled (11)
| Bays and Estuaries |
| Brazos |
| Brazos-Colorado |
| Canadian |
| Colorado |
| Colorado-Lavaca |
| Cypress |
| Guadalupe |
| Gulf of Mexico |
| Lavaca |
| Lavaca-Guadalupe |
| Neches |
| Neches-Trinity |
| Nueces |
| Nueces-Rio Grande |
| Red |
| Rio Grande |
| Sabine |
| San Antonio |
| San Antonio-Nueces |
| San Jacinto |
| San Jacinto-Brazos |
| Sulphur |
| Trinity |
| Trinity-San Jacinto |
River Basin Boundary transparent (12)
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