Reservoir Storage Summary for River Basins on 2026-11-01

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
2026-11-01 2026-10-31 2026-10-30 2026-10-25 2026-10-01 2026-08-01 2026-05-01 2025-11-01
Brazos 82.2 82.3 82.2 82.5 81.1 88.7 88.0 87.7
Canadian 40.8 40.7 40.5 39.9 37.3 38.2 40.0 42.4
Colorado 63.9 63.9 63.9 64.0 62.8 68.0 60.4 63.0
Cypress 85.0 84.9 84.9 85.4 87.6 93.3 93.2 96.1
Guadalupe 94.7 94.7 94.6 94.7 95.4 98.6 60.2 65.6
Lavaca 82.8 82.8 82.6 84.4 82.7 97.1 65.1 74.0
Neches 65.4 65.5 65.5 66.0 68.6 76.3 76.0 74.2
Nueces 37.2 37.3 37.3 37.6 38.7 30.2 7.7 11.2
Red 86.9 86.9 86.9 86.6 83.0 91.2 91.4 91.7
Rio Grande 36.3 36.0 35.4 34.8 31.4 33.7 27.5 27.5
Sabine 84.3 84.2 84.3 84.6 85.9 92.8 92.3 87.7
San Antonio 27.1 27.1 27.1 27.5 28.7 29.7 3.9 5.3
San Jacinto 93.9 93.9 93.9 94.0 94.5 98.4 95.5 96.2
Sulphur 75.3 75.4 75.5 76.1 78.7 89.7 87.3 84.8
Trinity 84.6 84.7 84.8 85.2 84.8 94.3 96.0 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 82.2 2,952,835 2,940,157 3,576,076
Canadian 40.8 267,233 228,819 561,066
Colorado 63.9 2,625,422 2,568,287 4,019,576
Cypress 85.0 573,811 480,478 565,174
Guadalupe 94.7 387,971 387,900 409,821
Lavaca 82.8 136,859 131,646 158,975
Neches 65.4 2,303,581 2,274,305 3,477,212
Nueces 37.2 342,395 342,116 918,882
Red 86.9 3,406,716 2,149,312 2,474,646
Rio Grande 36.3 1,492,439 1,279,258 3,520,940
Sabine 84.3 5,188,371 3,260,849 3,868,328
San Antonio 27.1 69,027 69,027 254,823
San Jacinto 93.9 520,189 516,361 549,895
Sulphur 75.3 439,536 300,595 399,063
Trinity 84.6 5,815,033 5,735,804 6,776,855
**

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