Reservoir Storage Summary for River Basins on 2025-07-23

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
2025-07-23 2025-07-22 2025-07-21 2025-07-16 2025-06-23 2025-04-23 2025-01-23 2024-07-23
Brazos 93.8 93.8 93.8 94.0 93.5 88.6 88.5 91.8
Canadian 41.8 41.8 41.7 41.5 39.9 36.3 36.5 37.3
Colorado 69.1 69.1 69.1 68.2 45.1 43.1 45.0 42.7
Cypress 98.7 98.7 98.8 99.0 99.2 99.1 98.7 99.2
Guadalupe 70.5 70.5 70.4 68.5 50.8 49.6 52.4 57.8
Lavaca 97.6 97.6 98.3 99.0 99.1 76.1 71.7 99.7
Neches 88.3 88.3 88.9 91.2 97.8 99.8 99.8 99.9
Nueces 14.8 14.8 14.8 15.0 15.8 16.7 18.7 26.5
Red 95.7 95.7 95.7 95.9 96.1 90.8 86.0 92.1
Rio Grande 26.1 26.1 26.1 25.6 23.7 21.6 21.9 19.8
Sabine 98.0 98.0 98.1 97.8 99.4 99.5 89.7 96.0
San Antonio 6.3 6.3 6.3 5.6 2.6 2.1 2.5 2.2
San Jacinto 99.9 99.9 99.9 100.0 100.0 100.0 99.1 100.0
Sulphur 99.3 99.3 99.5 99.7 100.0 99.3 84.6 99.4
Trinity 99.3 99.3 99.4 99.6 99.8 97.8 92.7 97.1
*

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 93.8 3,578,788 3,354,000 3,576,603
Canadian 41.8 273,064 234,650 561,066
Colorado 69.1 2,835,122 2,777,705 4,019,576
Cypress 98.7 713,354 558,023 565,174
Guadalupe 70.5 288,849 288,778 409,821
Lavaca 97.6 160,417 155,204 158,975
Neches 88.3 3,099,641 3,069,287 3,477,212
Nueces 14.8 136,356 136,077 918,882
Red 95.7 3,775,124 2,367,581 2,474,646
Rio Grande 26.1 1,156,595 918,544 3,520,940
Sabine 98.0 5,996,874 3,788,625 3,867,301
San Antonio 6.3 16,121 16,121 254,823
San Jacinto 99.9 553,616 549,100 549,895
Sulphur 99.3 601,279 396,398 399,063
Trinity 99.3 6,828,993 6,731,165 6,776,855
**

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