Reservoir Storage Summary for River Basins on 2026-04-11

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
2026-04-11 2026-04-10 2026-04-09 2026-04-04 2026-03-11 2026-01-11 2025-10-11 2025-04-11
Brazos 85.2 85.2 85.2 85.3 86.2 86.3 88.8 88.3
Canadian 39.8 39.8 39.8 40.8 41.2 41.8 42.7 36.4
Colorado 59.3 59.3 59.4 59.7 60.8 61.7 64.0 42.9
Cypress 96.5 96.5 96.5 94.9 94.6 96.2 96.7 99.3
Guadalupe 60.0 60.0 59.9 60.2 61.2 62.6 67.2 50.0
Lavaca 49.7 49.6 49.8 50.7 55.3 62.4 78.2 77.6
Neches 75.8 75.8 75.7 75.6 73.9 72.7 76.0 99.9
Nueces 7.8 7.8 7.8 7.9 8.7 10.0 12.1 17.2
Red 91.2 91.2 91.2 90.7 90.7 91.0 92.3 88.1
Rio Grande 26.8 26.8 26.7 26.6 28.2 28.6 27.8 22.0
Sabine 91.3 91.2 91.3 90.5 89.3 87.6 88.6 98.7
San Antonio 3.9 3.9 3.9 3.9 4.2 4.6 5.6 2.2
San Jacinto 96.0 95.9 95.9 96.0 96.4 96.1 96.9 99.7
Sulphur 85.9 86.0 86.0 83.7 84.8 80.8 87.6 99.6
Trinity 95.5 95.5 95.6 95.4 95.5 93.3 93.2 96.7
*

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 85.2 3,060,566 3,046,413 3,576,076
Canadian 39.8 261,505 223,091 561,066
Colorado 59.3 2,440,386 2,383,251 4,019,576
Cypress 96.5 665,024 545,645 565,174
Guadalupe 60.0 245,912 245,841 409,821
Lavaca 49.7 84,218 79,005 158,975
Neches 75.8 2,665,746 2,635,656 3,477,212
Nueces 7.8 72,021 71,742 918,882
Red 91.2 3,505,207 2,256,631 2,474,646
Rio Grande 26.8 1,046,513 942,812 3,520,940
Sabine 91.3 5,557,835 3,530,425 3,868,328
San Antonio 3.9 9,819 9,819 254,823
San Jacinto 96.0 535,543 528,146 549,895
Sulphur 85.9 437,871 342,894 399,063
Trinity 95.5 6,657,114 6,474,617 6,776,855
**

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