Figure: 30 TAC §298.470(b)
| CLIMATIC DIVISION | PERCENTAGE LOCATED IN UPPER BASIN |
PERCENTAGE LOCATED IN MIDDLE BASIN |
PERCENTAGE LOCATED IN LOWER BASIN |
|---|---|---|---|
| High Plains | 2.7% | N/A | N/A |
| Low Rolling Plains | 64.7% | N/A | N/A |
| North Central | 32.6% | 100% | 61.9% |
| East Texas | N/A | N/A | 14.7% |
| Trans Pecos | N/A | N/A | N/A |
| Edwards Plateau | N/A | N/A | 5.7% |
| South Central | N/A | N/A | 13.2% |
| Upper Coast | N/A | N/A | 4.5% |
N/A = not applicable