Reservoir Storage Summary for River Basins on 2025-10-20

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
2025-10-20 2025-10-19 2025-10-18 2025-10-13 2025-09-20 2025-07-20 2025-04-20 2024-10-20
Brazos 87.6 87.8 87.9 88.5 90.7 93.9 88.6 86.5
Canadian 42.7 42.8 42.7 42.7 43.2 41.7 36.3 34.9
Colorado 63.4 63.4 63.5 63.8 65.4 69.1 42.7 45.7
Cypress 96.4 96.5 96.5 96.7 97.5 98.8 99.2 96.5
Guadalupe 66.4 66.5 66.6 67.0 68.6 70.2 49.6 55.5
Lavaca 76.2 76.5 76.6 77.8 83.2 98.5 76.0 83.3
Neches 74.9 75.1 75.2 75.7 78.1 89.3 99.9 92.2
Nueces 11.7 11.7 11.8 12.0 12.6 14.8 16.8 22.3
Red 91.9 91.9 92.0 92.2 93.2 95.8 89.3 84.6
Rio Grande 27.6 27.7 27.7 27.8 27.4 25.9 21.7 21.4
Sabine 87.9 88.5 88.0 88.5 90.0 98.2 98.7 86.4
San Antonio 5.5 5.5 5.5 5.6 6.0 6.2 2.1 2.9
San Jacinto 96.1 96.4 96.3 96.7 98.9 100.0 99.3 94.9
Sulphur 86.3 86.5 86.6 87.2 90.8 99.6 99.4 86.6
Trinity 91.9 92.2 92.2 92.9 95.2 99.4 96.7 88.4
*

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 87.6 3,146,311 3,134,333 3,576,076
Canadian 42.7 278,245 239,831 561,066
Colorado 63.4 2,604,255 2,547,120 4,019,576
Cypress 96.4 658,531 545,100 565,174
Guadalupe 66.4 272,230 272,159 409,821
Lavaca 76.2 126,300 121,087 158,975
Neches 74.9 2,634,044 2,604,768 3,477,212
Nueces 11.7 107,691 107,412 918,882
Red 91.9 3,502,328 2,273,461 2,474,646
Rio Grande 27.6 1,159,653 973,185 3,520,940
Sabine 87.9 5,318,224 3,399,580 3,867,301
San Antonio 5.5 14,023 14,023 254,823
San Jacinto 96.1 532,027 528,199 549,895
Sulphur 86.3 480,896 344,531 399,063
Trinity 91.9 6,303,065 6,225,876 6,776,855
**

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