Reservoir Storage Summary for River Basins on 2026-10-12

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
2026-10-12 2026-10-11 2026-10-10 2026-10-05 2026-09-12 2026-07-12 2026-04-12 2025-10-12
Brazos 81.9 82.0 82.1 82.4 83.1 88.9 85.7 88.7
Canadian 39.7 39.7 39.7 39.2 36.5 39.1 40.6 42.7
Colorado 64.2 64.3 64.3 64.4 64.3 63.2 59.4 63.9
Cypress 87.3 87.4 87.5 87.8 87.1 94.8 96.6 96.7
Guadalupe 95.9 96.0 96.0 96.2 97.5 62.6 59.8 67.1
Lavaca 88.6 88.8 89.1 89.4 86.1 97.2 50.9 77.9
Neches 67.8 67.8 68.0 68.5 71.1 77.1 75.9 75.8
Nueces 38.6 38.6 38.7 39.3 40.4 15.4 7.8 12.0
Red 83.0 83.1 83.1 83.5 85.6 92.1 90.9 92.3
Rio Grande 33.8 33.8 33.7 33.2 31.4 28.0 26.8 27.8
Sabine 85.8 85.9 86.0 86.6 88.0 94.7 91.1 88.5
San Antonio 28.6 28.6 28.7 28.8 29.4 9.1 3.8 5.6
San Jacinto 95.5 95.6 95.7 96.0 96.1 98.9 96.1 96.8
Sulphur 78.3 78.4 78.5 79.2 81.9 91.9 85.9 87.4
Trinity 86.7 86.8 86.9 86.4 87.4 95.8 95.5 93.0
*

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 81.9 2,942,545 2,929,867 3,576,076
Canadian 39.7 261,161 222,747 561,066
Colorado 64.2 2,639,442 2,582,307 4,019,576
Cypress 87.3 590,261 493,517 565,174
Guadalupe 95.9 393,213 393,142 409,821
Lavaca 88.6 146,065 140,852 158,975
Neches 67.8 2,385,133 2,355,857 3,477,212
Nueces 38.6 355,012 354,733 918,882
Red 83.0 3,229,529 2,054,693 2,474,646
Rio Grande 33.8 1,376,756 1,190,001 3,520,940
Sabine 85.8 5,265,833 3,317,477 3,868,328
San Antonio 28.6 72,899 72,899 254,823
San Jacinto 95.5 529,889 525,258 549,895
Sulphur 78.3 461,280 312,458 399,063
Trinity 86.7 5,954,114 5,874,917 6,776,855
**

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