Reservoir Storage Summary for River Basins on 2025-11-01

Definition Map for River Basins

Percent Full

Most recent 1 day prior 2 days prior 1 week prior 1 month prior 3 months prior 6 months prior 1 year prior
2025-11-01 2025-10-31 2025-10-30 2025-10-25 2025-10-01 2025-08-01 2025-05-01 2024-11-01
Brazos 87.7 87.8 87.8 87.9 90.0 93.4 89.6 85.5
Canadian 42.5 42.5 42.6 42.7 43.1 42.5 36.8 34.8
Colorado 63.0 63.1 63.1 63.3 64.7 68.9 43.1 44.6
Cypress 96.2 96.2 96.3 96.4 97.1 98.2 99.3 96.4
Guadalupe 65.6 65.6 65.7 66.1 67.8 70.6 49.3 54.7
Lavaca 74.2 74.3 74.6 75.4 80.6 95.7 75.4 80.7
Neches 74.2 74.3 74.5 74.5 77.2 81.0 99.9 90.6
Nueces 11.3 11.3 11.3 11.5 12.4 14.7 16.4 21.7
Red 91.7 91.8 91.8 92.0 93.0 95.2 93.1 83.4
Rio Grande 27.6 27.6 27.6 27.8 28.0 27.0 21.5 21.2
Sabine 87.8 87.8 88.1 87.8 89.5 96.1 98.7 86.2
San Antonio 5.4 5.4 5.4 5.5 5.8 6.5 2.1 2.8
San Jacinto 96.3 96.2 96.3 95.3 98.0 99.4 100.0 95.0
Sulphur 85.8 85.8 85.8 85.8 89.1 97.8 99.4 85.1
Trinity 93.0 93.0 92.9 92.5 94.6 98.2 99.6 87.5
*

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 87.7 3,147,259 3,135,947 3,576,076
Canadian 42.5 276,896 238,482 561,066
Colorado 63.0 2,590,732 2,533,597 4,019,576
Cypress 96.2 655,307 543,686 565,174
Guadalupe 65.6 268,724 268,653 409,821
Lavaca 74.2 123,233 118,020 158,975
Neches 74.2 2,609,876 2,579,639 3,477,212
Nueces 11.3 103,689 103,410 918,882
Red 91.7 3,502,267 2,270,054 2,474,646
Rio Grande 27.6 1,146,681 970,313 3,520,940
Sabine 87.8 5,316,697 3,394,013 3,867,301
San Antonio 5.4 13,681 13,681 254,823
San Jacinto 96.3 533,243 529,415 549,895
Sulphur 85.8 476,388 342,299 399,063
Trinity 93.0 6,381,404 6,302,136 6,776,855
**

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