Reservoir Storage Summary for River Basins on 2026-01-04

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
2026-01-04 2026-01-03 2026-01-02 2025-12-28 2025-12-04 2025-10-04 2025-07-04 2025-01-04
Brazos 86.5 86.5 86.6 86.9 87.6 89.7 93.4 88.9
Canadian 41.9 41.9 41.8 41.9 42.0 42.9 40.7 36.6
Colorado 62.1 62.2 62.2 62.5 63.3 64.5 45.5 45.6
Cypress 96.2 96.2 96.2 96.3 96.4 97.0 99.1 98.3
Guadalupe 62.8 62.9 62.9 63.2 64.0 67.6 50.4 53.0
Lavaca 63.5 63.7 63.8 65.0 69.0 79.8 99.5 70.6
Neches 72.8 72.8 72.8 73.0 73.1 76.9 97.3 98.9
Nueces 10.2 10.2 10.2 10.3 10.7 12.3 15.5 19.1
Red 91.1 91.1 91.1 91.3 91.6 92.8 96.0 88.6
Rio Grande 28.3 28.3 28.3 28.3 27.4 27.9 24.5 21.5
Sabine 87.4 87.6 87.3 87.7 88.1 89.2 98.5 91.7
San Antonio 4.7 4.7 4.7 4.8 5.0 5.7 2.5 2.6
San Jacinto 95.8 95.9 95.7 96.4 96.7 97.6 100.0 97.6
Sulphur 81.1 81.2 81.2 82.0 83.9 88.6 99.7 84.2
Trinity 93.6 93.6 93.6 94.1 94.6 94.1 99.6 92.4
*

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 86.5 3,104,092 3,092,843 3,576,076
Canadian 41.9 273,417 235,003 561,066
Colorado 62.1 2,553,598 2,496,463 4,019,576
Cypress 96.2 659,122 543,470 565,174
Guadalupe 62.8 257,544 257,473 409,821
Lavaca 63.5 106,220 101,007 158,975
Neches 72.8 2,562,092 2,531,744 3,477,212
Nueces 10.2 93,769 93,490 918,882
Red 91.1 3,498,012 2,254,277 2,474,646
Rio Grande 28.3 1,121,046 995,596 3,520,940
Sabine 87.4 5,323,289 3,380,838 3,867,301
San Antonio 4.7 11,910 11,910 254,823
San Jacinto 95.8 530,525 526,697 549,895
Sulphur 81.1 433,164 323,568 399,063
Trinity 93.6 6,419,535 6,340,111 6,776,855
**

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