Reservoir Storage Summary for River Basins on 2025-09-16

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
2025-09-16 2025-09-15 2025-09-14 2025-09-09 2025-08-16 2025-06-16 2025-03-16 2024-09-16
Brazos 91.0 91.1 91.2 91.6 92.7 93.3 88.7 89.4
Canadian 42.9 42.9 43.0 43.0 42.7 39.8 36.5 35.5
Colorado 65.8 65.8 65.9 66.3 67.9 45.5 43.9 47.1
Cypress 97.7 97.7 97.8 97.9 97.6 99.3 99.3 97.4
Guadalupe 68.9 69.0 69.0 69.3 70.3 50.9 50.7 58.1
Lavaca 84.1 84.3 84.6 86.0 91.4 99.5 66.5 92.2
Neches 78.6 78.7 78.8 79.1 79.4 96.8 99.9 98.1
Nueces 12.7 12.7 12.8 13.0 14.1 15.4 17.2 24.3
Red 93.4 93.5 93.6 94.1 94.8 96.2 85.8 87.7
Rio Grande 27.6 27.5 27.6 27.4 26.2 23.8 21.9 21.1
Sabine 90.3 90.3 90.4 91.6 94.1 99.6 98.0 89.0
San Antonio 6.0 6.1 6.1 6.1 6.3 2.5 2.3 3.2
San Jacinto 99.3 99.3 99.4 99.7 98.4 100.0 97.0 98.3
Sulphur 91.4 91.5 91.6 92.3 95.6 100.0 100.0 92.8
Trinity 95.8 95.8 96.0 96.4 97.1 99.9 96.7 92.9
*

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 91.0 3,273,808 3,255,872 3,576,076
Canadian 42.9 279,380 240,966 561,066
Colorado 65.8 2,701,729 2,644,594 4,019,576
Cypress 97.7 693,967 552,129 565,174
Guadalupe 68.9 282,386 282,315 409,821
Lavaca 84.1 138,864 133,651 158,975
Neches 78.6 2,764,428 2,734,615 3,477,212
Nueces 12.7 117,026 116,747 918,882
Red 93.4 3,576,939 2,312,452 2,474,646
Rio Grande 27.6 1,159,364 970,338 3,520,940
Sabine 90.3 5,454,295 3,493,943 3,867,301
San Antonio 6.0 15,383 15,383 254,823
San Jacinto 99.3 550,100 545,928 549,895
Sulphur 91.4 522,904 364,578 399,063
Trinity 95.8 6,569,777 6,491,262 6,776,855
**

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