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Texas & Rio Grande Reservoir Levels
Six reservoirs, updated daily from Texas Water Development Board data.
- The 6 Texas & Rio Grande reservoirs tracked here hold 3.48 million acre-feet as of — 45.3% of their combined 7.68 million acre-foot capacity.
- Fullest right now: Canyon Lake at 100.0%. Lowest: Elephant Butte Reservoir at 1.6%.
- All data from the Texas Water Development Board's Water Data for Texas service, which also tracks Elephant Butte (New Mexico) because Rio Grande Project storage governs deliveries to Texas. Rebuilt daily.
1.6%
4,277.40 ft · 32,043 AF
wk -3.91 ft · yr -15.18 ft
All 6, side by side
| Reservoir | % full | Elevation (ft) | Storage (AF) | 1-yr change | Record low |
|---|---|---|---|---|---|
| Lake Travis | 100.0% | 682.31 | 1,098,044 | +6.99 ft | 614.18 ft (1951) |
| Lake Buchanan | 99.4% | 1,019.77 | 861,537 | -0.21 ft | 983.70 ft (1952) |
| Canyon Lake | 100.0% | 909.60 | 378,781 | +17.11 ft | 876.96 ft (2025) |
| Amistad Reservoir | 37.1% | 1,056.29 | 672,250 | +0.48 ft | 1,043.61 ft (2023) |
| Falcon Lake | 27.8% | 265.16 | 435,009 | +9.29 ft | 235.12 ft (1957) |
| Elephant Butte Reservoir | 1.6% | 4,277.40 | 32,043 | -15.18 ft | 4,258.03 ft (1954) |