Reservoir Storage Summary for River Basins on 2025-12-17

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
2025-12-17 2025-12-16 2025-12-15 2025-12-10 2025-11-17 2025-09-17 2025-06-17 2024-12-17
Brazos 87.1 87.1 87.1 87.4 86.6 91.0 93.5 88.7
Canadian 41.9 41.9 42.0 42.0 42.2 42.9 39.8 36.5
Colorado 62.9 62.9 62.9 63.1 62.3 65.7 45.5 46.1
Cypress 96.2 96.3 96.3 96.3 94.9 97.6 99.3 96.9
Guadalupe 63.4 63.4 63.5 63.7 64.7 68.8 50.9 52.7
Lavaca 66.5 66.6 66.8 67.7 70.6 83.7 99.4 71.7
Neches 73.0 73.0 73.0 73.1 72.8 78.5 96.8 91.8
Nueces 10.5 10.5 10.5 10.6 10.7 12.7 15.6 19.7
Red 91.2 91.2 91.2 91.4 91.0 93.4 96.2 88.3
Rio Grande 27.3 27.3 27.3 27.3 26.9 27.4 23.8 21.0
Sabine 87.6 87.6 87.8 87.8 86.7 90.2 99.6 87.7
San Antonio 4.8 4.8 4.8 4.9 5.1 6.0 2.5 2.7
San Jacinto 96.4 96.4 96.4 96.5 95.3 99.2 100.0 95.7
Sulphur 82.7 82.7 82.8 83.4 82.7 91.2 100.0 81.7
Trinity 94.2 94.2 94.2 94.4 91.6 95.6 99.9 89.2
*

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 3,124,741 3,113,492 3,576,076
Canadian 41.9 273,617 235,203 561,066
Colorado 62.9 2,583,538 2,526,403 4,019,576
Cypress 96.2 665,285 543,899 565,174
Guadalupe 63.4 260,030 259,959 409,821
Lavaca 66.5 110,962 105,749 158,975
Neches 73.0 2,568,056 2,537,718 3,477,212
Nueces 10.5 96,764 96,485 918,882
Red 91.2 3,494,141 2,256,737 2,474,646
Rio Grande 27.3 1,125,632 960,571 3,520,940
Sabine 87.6 5,326,429 3,387,785 3,867,301
San Antonio 4.8 12,342 12,342 254,823
San Jacinto 96.4 534,136 530,078 549,895
Sulphur 82.7 444,375 329,951 399,063
Trinity 94.2 6,463,783 6,381,989 6,776,855
**

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