Reservoir Storage Summary for River Basins on 2026-01-01

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
2026-01-01 2025-12-31 2025-12-30 2025-12-25 2025-12-01 2025-10-01 2025-07-01 2025-01-01
Brazos 86.6 86.6 86.7 86.9 87.7 90.0 93.3 88.9
Canadian 41.9 41.9 41.9 41.9 42.1 43.0 40.6 36.6
Colorado 62.3 62.3 62.4 62.6 63.3 64.7 44.5 45.7
Cypress 96.2 96.2 96.2 96.3 96.4 97.1 99.1 98.2
Guadalupe 62.9 63.0 63.0 63.3 64.2 67.8 50.4 53.2
Lavaca 64.0 64.2 64.5 65.5 69.3 80.4 99.7 71.2
Neches 72.9 73.0 73.1 72.9 73.0 77.3 98.6 97.1
Nueces 10.2 10.2 10.3 10.3 10.7 12.4 15.6 19.3
Red 91.1 91.1 91.1 91.3 91.7 93.0 96.0 88.6
Rio Grande 27.7 27.7 27.7 27.3 27.4 28.0 24.0 21.4
Sabine 87.4 87.5 87.7 87.7 87.8 89.5 98.8 91.9
San Antonio 4.7 4.7 4.7 4.8 5.0 5.8 2.5 2.7
San Jacinto 95.6 95.6 95.7 96.4 96.6 98.0 100.0 97.7
Sulphur 81.4 81.4 81.6 82.2 84.1 89.1 99.8 84.6
Trinity 93.7 93.7 93.8 94.1 94.7 94.6 99.7 92.5
*

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 86.6 3,108,273 3,097,024 3,576,076
Canadian 41.9 273,241 234,827 561,066
Colorado 62.3 2,559,964 2,502,829 4,019,576
Cypress 96.2 660,054 543,572 565,174
Guadalupe 62.9 258,029 257,958 409,821
Lavaca 64.0 106,987 101,774 158,975
Neches 72.9 2,564,778 2,534,549 3,477,212
Nueces 10.2 94,191 93,912 918,882
Red 91.1 3,498,242 2,255,252 2,474,646
Rio Grande 27.7 1,121,542 974,643 3,520,940
Sabine 87.4 5,317,834 3,379,386 3,867,301
San Antonio 4.7 11,982 11,982 254,823
San Jacinto 95.6 529,502 525,674 549,895
Sulphur 81.4 435,614 324,684 399,063
Trinity 93.7 6,428,810 6,349,369 6,776,855
**

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