Reservoir Storage Summary for River Basins on 2026-10-03

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
2026-10-03 2026-10-02 2026-10-01 2026-09-26 2026-09-03 2026-07-03 2026-04-03 2025-10-03
Brazos 81.8 81.5 81.1 81.3 84.2 89.6 85.1 89.8
Canadian 38.5 38.0 37.3 36.3 36.8 39.3 40.8 42.9
Colorado 63.6 63.2 62.8 62.9 65.2 63.9 59.7 64.6
Cypress 87.8 87.8 87.6 87.2 87.6 94.5 94.2 97.0
Guadalupe 96.0 95.8 95.6 96.1 98.1 62.9 60.2 67.7
Lavaca 85.1 83.6 83.1 83.4 88.0 98.6 50.7 80.1
Neches 68.7 68.7 68.6 69.3 71.7 77.4 75.6 77.0
Nueces 39.5 39.4 38.7 39.1 41.4 15.8 7.9 12.4
Red 83.2 83.2 83.0 83.1 86.8 93.1 90.0 92.9
Rio Grande 32.8 32.4 31.4 30.7 32.0 28.5 26.6 27.9
Sabine 86.3 86.3 85.8 86.3 88.7 95.5 90.0 89.3
San Antonio 28.8 28.9 28.7 28.7 29.7 9.0 3.9 5.7
San Jacinto 95.8 95.8 94.5 94.8 94.5 99.2 95.9 97.8
Sulphur 79.0 79.1 78.7 79.3 83.2 92.7 83.0 88.9
Trinity 85.6 85.5 84.8 85.1 88.7 96.4 95.3 94.3
*

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 81.8 2,937,837 2,924,744 3,576,076
Canadian 38.5 254,352 215,938 561,066
Colorado 63.6 2,614,943 2,557,808 4,019,576
Cypress 87.8 592,730 496,461 565,174
Guadalupe 96.0 393,366 393,295 409,821
Lavaca 85.1 140,430 135,217 158,975
Neches 68.7 2,416,664 2,387,388 3,477,212
Nueces 39.5 363,103 362,824 918,882
Red 83.2 3,229,456 2,058,324 2,474,646
Rio Grande 32.8 1,331,140 1,155,585 3,520,940
Sabine 86.3 5,299,362 3,336,610 3,868,328
San Antonio 28.8 73,513 73,513 254,823
San Jacinto 95.8 533,385 526,797 549,895
Sulphur 79.0 466,029 315,147 399,063
Trinity 85.6 5,877,196 5,798,833 6,776,855
**

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