Reservoir Storage Summary for River Basins on 2026-04-13

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
2026-04-13 2026-04-12 2026-04-11 2026-04-06 2026-03-13 2026-01-13 2025-10-13 2025-04-13
Brazos 86.2 85.7 85.2 85.4 86.1 86.2 88.5 88.2
Canadian 39.8 39.8 39.8 40.8 41.2 41.8 42.6 36.4
Colorado 59.7 59.4 59.3 59.6 60.7 61.7 63.8 42.8
Cypress 96.7 96.5 96.5 96.1 94.8 96.1 96.7 99.2
Guadalupe 59.8 59.8 60.0 60.0 61.1 62.5 67.0 49.9
Lavaca 51.8 50.9 49.8 50.4 54.8 62.0 77.6 77.0
Neches 75.8 75.8 75.8 75.7 74.3 72.7 75.7 99.9
Nueces 7.8 7.8 7.8 7.9 8.6 10.0 12.0 17.0
Red 90.7 90.9 91.1 91.3 90.7 91.0 92.2 88.3
Rio Grande 27.0 26.9 26.8 26.7 28.2 28.6 27.8 21.9
Sabine 91.1 91.1 91.3 91.3 89.7 87.4 88.4 98.2
San Antonio 3.8 3.8 3.9 3.9 4.1 4.6 5.6 2.1
San Jacinto 96.2 96.1 96.0 96.1 96.5 95.9 96.7 99.5
Sulphur 85.9 85.9 85.9 85.9 84.8 80.6 87.3 99.5
Trinity 95.5 95.5 95.5 95.6 95.6 93.2 92.9 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 86.2 3,096,343 3,081,459 3,576,076
Canadian 39.8 261,590 223,176 561,066
Colorado 59.7 2,456,678 2,399,543 4,019,576
Cypress 96.7 665,808 546,429 565,174
Guadalupe 59.8 245,054 244,983 409,821
Lavaca 51.8 87,531 82,318 158,975
Neches 75.8 2,665,094 2,634,936 3,477,212
Nueces 7.8 72,381 72,102 918,882
Red 90.7 3,479,380 2,245,700 2,474,646
Rio Grande 27.0 1,053,670 949,100 3,520,940
Sabine 91.1 5,548,886 3,525,754 3,868,328
San Antonio 3.8 9,798 9,798 254,823
San Jacinto 96.2 536,315 528,918 549,895
Sulphur 85.9 442,228 342,877 399,063
Trinity 95.5 6,626,730 6,471,107 6,776,855
**

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