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US Drought Monitor, published weekly · current map Sep 1, 2026 · alongside statewide reservoir storage
Texas reservoirs hold 73.9% of conservation capacity — below 65% of years on this date since 1933. Storage was last this low in 2023.
TWDB has aggregated statewide storage daily since Jul 1, 1933. The record low for this date is 11.9% in 1933; the record high is 95.1% in 1942.
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 | D4 Exceptional drought | 461 | 41.0% |
| Palo Duro Reservoir | Hansford | D4 Exceptional drought | 453 | 0.4% |
| Mackenzie Reservoir | Briscoe | D4 Exceptional drought | 403 | 11.0% |
| Greenbelt Lake | Donley | D4 Exceptional drought | 376 | 4.8% |
| North Fork Buffalo Creek Reservoir | Wichita | D3 Extreme drought | 372 | 74.7% |
| White River Reservoir | Crosby | D3 Extreme drought | 342 | 21.9% |
| Lake Arrowhead | Clay | D3 Extreme drought | 319 | 72.1% |
| Lake Nocona (Farmer's Creek) | Montague | D2 Severe drought | 300 | 73.2% |
| Lake Amon G Carter | Montague | D2 Severe drought | 300 | 76.8% |
| Bridgeport Reservoir | Wise | D2 Severe drought | 300 | 77.0% |
| Lake Crook | Lamar | D2 Severe drought | 299 | 87.8% |
| Pat Mayse Lake | Lamar | D2 Severe drought | 299 | 94.1% |
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.