Reservoir Storage Summary for River Basins on 2025-04-27

Definition Map for River Basins

Percent Full

Most recent 1 day prior 2 days prior 1 week prior 1 month prior 3 months prior 6 months prior 1 year prior
2025-04-27 2025-04-26 2025-04-25 2025-04-20 2025-03-27 2025-01-27 2024-10-27 2024-04-27
Brazos 89.1 88.9 88.9 88.6 88.1 88.4 85.8 84.9
Canadian 36.5 36.4 36.3 36.3 36.4 36.5 34.8 39.3
Colorado 43.1 43.1 43.1 42.7 43.4 44.9 45.4 35.5
Cypress 99.2 99.2 99.2 99.2 99.2 98.8 96.3 99.6
Guadalupe 49.6 49.6 49.6 49.6 50.4 52.3 54.9 61.7
Lavaca 76.1 76.2 76.2 76.0 65.4 71.4 81.7 95.8
Neches 99.9 99.9 99.9 99.9 99.9 99.9 91.1 89.2
Nueces 16.6 16.7 16.7 16.8 17.5 18.7 22.0 27.7
Red 91.2 91.0 90.9 89.3 85.1 85.8 84.0 84.7
Rio Grande 21.4 21.4 21.4 21.7 21.6 22.0 21.3 21.3
Sabine 99.4 99.6 99.7 98.7 95.7 90.2 86.0 100.0
San Antonio 2.1 2.1 2.1 2.1 2.2 2.5 2.8 2.7
San Jacinto 100.0 100.0 100.0 99.4 98.5 99.2 94.8 100.0
Sulphur 99.2 99.3 99.3 99.4 99.6 84.2 85.8 100.0
Trinity 98.8 98.7 98.5 96.7 96.3 92.7 87.7 97.0
*

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 89.1 3,239,834 3,184,451 3,575,921
Canadian 36.5 243,425 205,011 561,066
Colorado 43.1 1,797,211 1,732,702 4,019,576
Cypress 99.2 792,563 560,552 565,174
Guadalupe 49.6 203,168 203,097 409,821
Lavaca 76.1 126,128 120,915 158,975
Neches 99.9 3,531,230 3,475,089 3,477,212
Nueces 16.6 153,104 152,825 918,882
Red 91.2 3,788,538 2,257,232 2,474,646
Rio Grande 21.4 1,016,017 752,631 3,520,940
Sabine 99.4 6,124,245 3,846,002 3,867,301
San Antonio 2.1 5,378 5,378 254,823
San Jacinto 100.0 559,946 549,895 549,895
Sulphur 99.2 781,784 396,048 399,063
Trinity 98.8 6,901,143 6,695,658 6,776,855
**

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