Reservoir Storage Summary for River Basins on 2025-12-13

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
2025-12-13 2025-12-12 2025-12-11 2025-12-06 2025-11-13 2025-09-13 2025-06-13 2024-12-13
Brazos 87.3 87.3 87.3 87.5 86.8 91.3 93.3 88.7
Canadian 41.9 42.0 42.0 42.0 42.2 42.9 39.7 36.5
Colorado 63.0 63.0 63.0 63.2 62.4 66.0 45.2 46.1
Cypress 96.3 96.3 96.3 96.4 95.1 97.8 99.5 96.5
Guadalupe 63.6 63.6 63.6 63.9 64.9 69.1 50.6 52.8
Lavaca 67.3 67.3 67.5 68.4 71.3 84.9 95.6 72.2
Neches 73.0 73.0 73.1 73.1 73.2 79.0 96.6 91.5
Nueces 10.5 10.5 10.5 10.6 10.9 12.8 14.8 19.7
Red 91.4 91.4 91.4 91.5 91.1 93.7 96.2 88.3
Rio Grande 27.3 27.3 27.3 27.4 27.2 27.6 23.9 20.9
Sabine 87.7 87.7 87.7 87.8 86.9 90.5 99.5 87.3
San Antonio 4.9 4.9 4.9 4.9 5.2 6.1 2.4 2.8
San Jacinto 96.5 96.5 96.5 96.6 95.2 99.5 99.2 95.3
Sulphur 83.1 83.2 83.3 83.7 83.2 91.8 100.0 81.6
Trinity 94.4 94.4 94.4 94.6 91.8 96.0 99.9 88.8
*

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 87.3 3,131,662 3,120,413 3,576,076
Canadian 41.9 273,711 235,297 561,066
Colorado 63.0 2,589,082 2,531,947 4,019,576
Cypress 96.3 667,978 544,376 565,174
Guadalupe 63.6 260,704 260,633 409,821
Lavaca 67.3 112,150 106,937 158,975
Neches 73.0 2,569,508 2,539,191 3,477,212
Nueces 10.5 97,070 96,791 918,882
Red 91.4 3,499,227 2,260,705 2,474,646
Rio Grande 27.3 1,127,735 962,264 3,520,940
Sabine 87.7 5,332,666 3,393,220 3,867,301
San Antonio 4.9 12,415 12,415 254,823
San Jacinto 96.5 535,440 530,465 549,895
Sulphur 83.1 447,796 331,748 399,063
Trinity 94.4 6,485,638 6,396,921 6,776,855
**

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