Reservoir Storage Summary for River Basins on 2025-11-22

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
2025-11-22 2025-11-21 2025-11-20 2025-11-15 2025-10-22 2025-08-22 2025-05-22 2024-11-22
Brazos 87.1 87.0 86.6 86.7 87.4 92.4 91.5 89.0
Canadian 42.3 42.3 42.3 42.3 42.7 42.6 38.3 36.2
Colorado 62.5 62.5 62.4 62.4 63.2 67.6 42.4 46.7
Cypress 96.0 95.9 95.1 95.2 96.3 97.3 99.2 96.8
Guadalupe 64.7 64.7 64.6 64.8 66.2 70.0 48.2 53.8
Lavaca 69.9 69.9 70.1 71.3 75.8 90.3 73.7 76.7
Neches 72.6 72.5 72.6 72.9 74.7 78.8 99.9 91.1
Nueces 10.7 10.7 10.7 10.9 11.6 13.9 15.8 20.6
Red 91.1 91.1 91.3 91.1 91.6 94.6 95.7 88.8
Rio Grande 26.6 26.5 26.5 27.1 27.8 26.3 23.1 21.1
Sabine 87.2 87.0 86.8 86.8 88.0 93.6 99.7 86.9
San Antonio 5.1 5.1 5.1 5.1 5.4 6.3 1.9 2.9
San Jacinto 95.7 95.6 95.5 95.3 95.9 98.7 99.6 94.4
Sulphur 83.9 83.9 83.4 83.0 85.9 94.5 100.0 83.8
Trinity 92.6 92.5 91.9 91.7 91.6 96.7 99.8 89.7
*

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 87.1 3,126,353 3,115,104 3,576,076
Canadian 42.3 275,699 237,285 561,066
Colorado 62.5 2,571,684 2,513,140 4,019,576
Cypress 96.0 655,190 542,577 565,174
Guadalupe 64.7 265,081 265,010 409,821
Lavaca 69.9 116,338 111,125 158,975
Neches 72.6 2,553,496 2,523,499 3,477,212
Nueces 10.7 98,543 98,264 918,882
Red 91.1 3,487,111 2,253,431 2,474,646
Rio Grande 26.6 1,106,370 936,487 3,520,940
Sabine 87.2 5,280,586 3,370,901 3,867,301
San Antonio 5.1 13,020 13,020 254,823
San Jacinto 95.7 529,933 526,105 549,895
Sulphur 83.9 471,892 334,668 399,063
Trinity 92.6 6,365,553 6,278,696 6,776,855
**

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