Reservoir Storage Summary for River Basins on 2026-06-17

Definition Map for River Basins

Percent Full

Most recent 1 day prior 2 days prior 1 week prior 1 month prior 3 months prior 6 months prior 1 year prior
2026-06-17 2026-06-16 2026-06-15 2026-06-10 2026-05-17 2026-03-17 2025-12-17 2025-06-17
Brazos 89.9 89.9 89.9 89.9 88.2 85.9 87.1 93.5
Canadian 39.7 39.7 39.7 39.7 39.7 41.1 41.9 39.8
Colorado 63.5 63.5 63.5 63.6 60.4 60.5 62.8 45.5
Cypress 94.3 94.3 94.3 93.8 92.7 94.6 96.2 99.3
Guadalupe 61.1 61.1 61.1 60.8 59.9 60.9 63.5 50.9
Lavaca 97.9 97.9 97.9 98.8 75.8 53.8 66.6 99.4
Neches 76.3 76.3 76.3 76.3 75.7 75.1 72.8 96.8
Nueces 13.8 13.8 13.8 13.7 8.2 8.4 10.5 15.6
Red 93.9 93.9 93.9 93.1 91.0 90.5 91.2 96.2
Rio Grande 27.8 27.8 27.8 27.7 27.0 28.0 27.4 23.8
Sabine 94.9 94.9 94.9 94.2 92.6 90.2 87.6 99.6
San Antonio 5.1 5.1 4.3 3.9 3.8 4.1 4.8 2.5
San Jacinto 99.2 99.2 99.2 99.2 97.7 95.9 96.4 100.0
Sulphur 91.9 91.9 91.9 91.3 87.9 84.3 82.7 100.0
Trinity 96.8 96.8 96.8 96.6 95.7 95.5 94.1 99.9
*

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 89.9 3,330,485 3,215,213 3,576,076
Canadian 39.7 261,242 222,828 561,066
Colorado 63.5 2,609,829 2,552,694 4,019,576
Cypress 94.3 673,975 558,493 592,377
Guadalupe 61.1 250,441 250,370 409,821
Lavaca 97.9 160,923 155,710 158,975
Neches 76.3 2,685,156 2,654,635 3,477,212
Nueces 13.8 127,039 126,760 918,882
Red 93.9 3,761,256 2,324,398 2,474,646
Rio Grande 27.8 1,136,175 977,195 3,520,940
Sabine 94.9 5,812,206 3,669,641 3,868,328
San Antonio 5.1 12,904 12,904 254,823
San Jacinto 99.2 550,017 545,730 549,895
Sulphur 91.9 576,799 366,751 399,063
Trinity 96.8 6,862,407 6,561,834 6,776,855
**

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