Reservoir Storage Summary for River Basins on 2026-03-05

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
2026-03-05 2026-03-04 2026-03-03 2026-02-26 2026-02-05 2025-12-05 2025-09-05 2025-03-05
Brazos 85.6 85.6 85.6 85.8 86.0 87.5 91.9 89.1
Canadian 41.3 41.3 41.3 41.4 41.5 42.0 42.9 36.6
Colorado 60.7 60.6 60.6 60.8 61.2 63.2 66.6 44.3
Cypress 93.2 93.1 93.1 93.8 95.6 96.4 98.0 99.3
Guadalupe 61.3 61.3 61.3 61.5 61.9 63.9 69.3 51.3
Lavaca 55.9 55.9 56.0 56.8 59.5 68.6 86.6 68.1
Neches 73.7 73.7 73.6 73.6 72.6 73.0 79.2 99.9
Nueces 8.7 8.7 8.8 9.0 9.5 10.6 13.2 17.7
Red 90.9 91.0 91.0 91.0 89.6 91.5 94.2 84.7
Rio Grande 27.7 27.8 28.0 28.6 28.8 27.4 27.0 22.2
Sabine 88.3 88.1 88.0 88.1 86.7 87.9 92.2 99.2
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 96.1 95.9 96.6 99.9 97.6
Sulphur 84.6 84.6 84.6 84.9 78.9 83.8 92.9 100.0
Trinity 94.6 94.5 94.5 94.6 93.4 94.6 96.5 96.8
*

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 3,075,083 3,062,676 3,576,076
Canadian 41.3 270,402 231,988 561,066
Colorado 60.7 2,497,434 2,440,299 4,019,576
Cypress 93.2 646,766 526,882 565,174
Guadalupe 61.3 251,153 251,082 409,821
Lavaca 55.9 94,015 88,802 158,975
Neches 73.7 2,592,561 2,562,480 3,477,212
Nueces 8.7 80,575 80,296 918,882
Red 90.9 3,495,558 2,249,962 2,474,646
Rio Grande 27.7 1,074,058 976,254 3,520,940
Sabine 88.3 5,365,743 3,415,910 3,867,301
San Antonio 4.2 10,621 10,621 254,823
San Jacinto 96.0 532,276 527,760 549,895
Sulphur 84.6 445,770 337,770 399,063
Trinity 94.6 6,506,168 6,409,768 6,776,855
**

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