Reservoir Storage Summary for River Basins on 2026-01-20

Definition Map for River Basins

Percent Full

Today Yesterday 2 days ago 1 week ago 1 month ago 3 months ago 6 months ago 1 year ago
2026-01-20 2026-01-19 2026-01-18 2026-01-13 2025-12-20 2025-10-20 2025-07-20 2025-01-20
Brazos 85.8 85.8 85.9 86.2 86.9 87.6 93.9 88.6
Canadian 41.7 41.7 41.7 41.8 41.9 42.6 41.7 36.5
Colorado 61.4 61.4 61.4 61.7 62.7 63.4 69.1 45.1
Cypress 95.5 95.6 95.8 96.1 96.2 96.4 98.8 98.8
Guadalupe 62.2 62.2 62.2 62.5 63.4 66.4 70.2 52.6
Lavaca 60.6 60.6 60.8 62.0 66.1 75.9 98.5 72.5
Neches 72.6 72.6 72.6 72.8 72.8 74.9 89.3 99.8
Nueces 9.7 9.7 9.8 10.0 10.5 11.7 14.8 18.8
Red 90.7 90.7 90.8 91.0 91.2 91.8 95.8 87.2
Rio Grande 28.6 28.6 28.6 28.6 27.1 27.9 25.9 21.9
Sabine 87.1 87.2 87.3 87.4 87.5 87.9 98.2 90.7
San Antonio 4.5 4.5 4.5 4.6 4.8 5.5 6.2 2.5
San Jacinto 95.3 95.3 95.3 95.9 96.4 96.0 100.0 99.1
Sulphur 79.6 79.7 79.9 80.6 82.5 86.3 99.6 84.9
Trinity 92.7 92.8 92.8 93.2 94.1 91.8 99.4 92.8
*

Percent Full is based on Conservation Storage and Conservation Capacity.

Recent Conditions

Percent Full Reservoir Storage
(acre-ft) 		Conservation Storage
(acre-ft) 		Conservation Capacity
(acre-ft)
Brazos 85.8 3,080,130 3,068,881 3,576,076
Canadian 41.7 272,527 234,113 561,066
Colorado 61.4 2,523,430 2,466,295 4,019,576
Cypress 95.5 656,880 539,957 565,174
Guadalupe 62.2 254,783 254,712 409,821
Lavaca 60.6 101,622 96,409 158,975
Neches 72.6 2,554,548 2,523,736 3,477,212
Nueces 9.7 89,756 89,477 918,882
Red 90.7 3,489,620 2,244,024 2,474,646
Rio Grande 28.6 1,118,781 1,005,912 3,520,940
Sabine 87.1 5,313,363 3,370,192 3,867,301
San Antonio 4.5 11,501 11,501 254,823
San Jacinto 95.3 527,873 524,045 549,895
Sulphur 79.6 418,480 317,574 399,063
Trinity 92.7 6,363,910 6,284,881 6,776,855
**

The grey areas represent coastal basins that have no contributing reservoirs present.