Reservoir Storage Summary for River Basins on 2026-04-05

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
2026-04-05 2026-04-04 2026-04-03 2026-03-29 2026-03-05 2026-01-05 2025-10-05 2025-04-05
Brazos 85.4 85.3 85.0 85.1 85.6 86.4 89.5 88.4
Canadian 40.8 40.8 40.8 40.9 41.4 41.9 42.8 36.3
Colorado 59.7 59.7 59.7 59.9 60.7 62.0 64.4 43.2
Cypress 95.9 94.9 94.2 94.2 93.2 96.2 97.0 99.4
Guadalupe 60.1 60.2 60.2 60.3 61.3 62.8 67.6 50.4
Lavaca 50.7 50.7 50.7 51.7 55.6 63.3 79.5 79.6
Neches 75.7 75.6 75.5 75.5 73.7 72.6 76.7 99.8
Nueces 8.0 7.9 7.9 8.1 8.7 10.1 12.3 17.5
Red 91.2 90.7 90.0 89.7 90.9 91.0 92.7 86.0
Rio Grande 26.8 26.7 26.8 27.1 27.7 28.4 27.9 22.2
Sabine 91.3 90.5 90.0 90.0 88.3 87.2 89.1 97.4
San Antonio 3.9 3.9 3.9 4.0 4.2 4.7 5.7 2.2
San Jacinto 96.3 96.1 95.9 95.7 95.9 95.9 97.5 100.0
Sulphur 85.1 83.7 83.0 83.3 84.7 81.1 88.5 100.0
Trinity 95.5 95.4 95.3 95.2 94.6 93.4 94.0 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 85.4 3,066,103 3,052,908 3,576,076
Canadian 40.8 267,145 228,731 561,066
Colorado 59.7 2,455,614 2,398,479 4,019,576
Cypress 95.9 661,416 542,037 565,174
Guadalupe 60.1 246,383 246,312 409,821
Lavaca 50.7 85,862 80,649 158,975
Neches 75.7 2,664,662 2,632,774 3,477,212
Nueces 8.0 73,876 73,597 918,882
Red 91.2 3,524,242 2,255,823 2,474,646
Rio Grande 26.8 1,043,116 944,215 3,520,940
Sabine 91.3 5,565,019 3,530,722 3,868,328
San Antonio 3.9 9,971 9,971 254,823
San Jacinto 96.3 536,856 529,691 549,895
Sulphur 85.1 414,639 339,485 399,063
Trinity 95.5 6,661,769 6,474,646 6,776,855
**

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