Reservoir Storage Summary for River Basins on 2025-08-02

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
2025-08-02 2025-08-01 2025-07-31 2025-07-26 2025-07-02 2025-05-02 2025-02-02 2024-08-02
Brazos 93.4 93.4 93.5 93.6 93.3 89.7 89.0 91.3
Canadian 42.5 42.5 42.5 42.3 40.6 36.9 36.6 37.0
Colorado 68.9 68.9 68.9 69.1 44.4 43.2 44.9 44.4
Cypress 98.2 98.2 98.3 98.5 99.1 99.3 99.3 99.2
Guadalupe 70.6 70.6 70.7 70.7 50.4 49.3 52.2 60.8
Lavaca 96.0 96.0 96.2 97.0 99.6 75.3 70.8 99.8
Neches 81.0 81.1 81.4 85.3 98.2 99.9 99.8 99.9
Nueces 14.7 14.7 14.8 15.0 15.6 16.4 18.7 26.7
Red 95.1 95.2 95.2 95.5 96.0 93.6 86.6 91.6
Rio Grande 27.0 27.0 27.0 26.1 24.2 21.5 22.0 20.4
Sabine 96.2 96.1 96.2 96.9 98.7 98.8 93.6 97.3
San Antonio 6.4 6.4 6.4 6.4 2.5 2.1 2.5 3.6
San Jacinto 99.4 99.4 99.5 99.6 100.0 100.0 99.4 99.9
Sulphur 97.9 97.8 97.9 98.8 99.8 99.5 100.0 98.6
Trinity 98.2 98.2 98.4 98.9 99.7 99.6 96.2 97.3
*

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 93.4 3,429,938 3,340,416 3,576,076
Canadian 42.5 276,785 238,371 561,066
Colorado 68.9 2,825,434 2,768,299 4,019,576
Cypress 98.2 697,032 555,091 565,174
Guadalupe 70.6 289,483 289,412 409,821
Lavaca 96.0 157,798 152,585 158,975
Neches 81.0 2,844,537 2,815,219 3,477,212
Nueces 14.7 135,553 135,274 918,882
Red 95.1 3,742,576 2,354,221 2,474,646
Rio Grande 27.0 1,165,539 949,036 3,520,940
Sabine 96.2 5,856,894 3,719,299 3,867,301
San Antonio 6.4 16,384 16,384 254,823
San Jacinto 99.4 551,183 546,323 549,895
Sulphur 97.9 581,233 390,642 399,063
Trinity 98.2 6,734,122 6,654,005 6,776,855
**

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