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US Drought Monitor, published weekly · current map Jul 14, 2026 · alongside statewide reservoir storage
Texas reservoirs hold 78.3% of conservation capacity — below 61% of years on this date since 1933. Storage was last this low in 2024.
TWDB has aggregated statewide storage daily since Jul 1, 1933. The record low for this date is 14.0% in 1934; the record high is 98.6% in 1938.
Statewide reservoir storage over US Drought Monitor coverage
Statewide reservoir storageShare of Texas in drought, by severityBoth on the same 0–100% axis. Storage typically lags drought by months.
Share of Texas in each US Drought Monitor category, weekly
Bands are exclusive shares — the API reports cumulative coverage, where D1 already includes D2 through D4.
Ranked by the drought severity where the reservoir sits, not by how full it is
| Reservoir | County | Drought | DSCI | % Full |
|---|---|---|---|---|
| Lake Meredith | Hutchinson | D3 Extreme drought | 320 | 43.4% |
| Palo Duro Reservoir | Hansford | D2 Severe drought | 293 | 0.4% |
| Mackenzie Reservoir | Briscoe | D2 Severe drought | 264 | 11.7% |
| Greenbelt Lake | Donley | D3 Extreme drought | 235 | 5.8% |
| Lake J.B. Thomas | Scurry | D1 Moderate drought | 200 | 24.4% |
| White River Reservoir | Crosby | D1 Moderate drought | 200 | 25.2% |
| Lake Alan Henry | Garza | D1 Moderate drought | 200 | 77.0% |
| Lake Tyler | Smith | D1 Moderate drought | 200 | 98.4% |
| Lake Austin | Travis | D2 Severe drought | 196 | 97.9% |
| Lake Travis | Travis | D2 Severe drought | 196 | 100.0% |
| Lake Fork Reservoir | Wood | D1 Moderate drought | 188 | 89.3% |
| Lake Tawakoni | Van Zandt | D2 Severe drought | 154 | 99.4% |
Drought where a reservoir sits does not by itself explain its level: most reservoirs are filled by a watershed reaching far upstream, and releases are managed. Treat this as context, not causation.
By Drought Severity and Coverage Index (0–500)
Drought data from the US Drought Monitor, a joint product of NDMC, USDA and NOAA. See the statewide map for the county overlay.