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

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
2026-03-03 2026-03-02 2026-03-01 2026-02-24 2026-02-03 2025-12-03 2025-09-03 2025-03-03
Brazos 85.6 85.7 85.7 85.9 86.1 87.6 92.0 88.9
Canadian 41.3 41.4 41.4 41.4 41.5 42.0 42.9 36.6
Colorado 60.6 60.6 60.7 60.8 61.2 63.3 66.8 44.3
Cypress 93.2 93.3 93.4 94.0 95.8 96.4 98.1 99.2
Guadalupe 61.3 61.3 61.4 61.5 62.0 64.1 69.4 51.4
Lavaca 56.1 56.3 56.4 57.1 59.5 68.8 87.3 68.1
Neches 73.6 73.6 73.6 73.6 72.5 72.9 79.1 99.7
Nueces 8.5 8.6 8.9 9.0 9.5 10.7 13.3 17.7
Red 91.0 91.0 91.0 91.0 89.6 91.6 94.3 84.4
Rio Grande 28.1 28.2 28.4 28.6 28.8 27.4 26.9 22.2
Sabine 88.0 88.1 88.1 88.0 86.6 87.5 92.9 98.7
San Antonio 4.2 4.2 4.2 4.2 4.4 5.0 6.1 2.4
San Jacinto 96.0 96.0 96.0 95.9 95.8 96.5 100.0 97.1
Sulphur 84.6 84.7 84.7 85.1 79.1 83.9 93.2 99.2
Trinity 94.5 94.6 94.6 94.6 93.4 94.6 96.6 96.6
*

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 85.6 3,074,930 3,062,523 3,576,076
Canadian 41.3 270,394 231,980 561,066
Colorado 60.6 2,493,124 2,435,989 4,019,576
Cypress 93.2 646,682 526,545 565,174
Guadalupe 61.3 251,368 251,297 409,821
Lavaca 56.1 94,440 89,227 158,975
Neches 73.6 2,590,061 2,559,980 3,477,212
Nueces 8.5 78,349 78,070 918,882
Red 91.0 3,498,002 2,251,288 2,474,646
Rio Grande 28.1 1,086,843 987,675 3,520,940
Sabine 88.0 5,352,212 3,403,977 3,867,301
San Antonio 4.2 10,666 10,666 254,823
San Jacinto 96.0 531,932 527,760 549,895
Sulphur 84.6 445,625 337,625 399,063
Trinity 94.5 6,486,877 6,403,290 6,776,855
**

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