Reservoir Storage Summary for River Basins on 2026-10-01

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
2026-10-01 2026-09-30 2026-09-29 2026-09-24 2026-09-01 2026-07-01 2026-04-01 2025-10-01
Brazos 80.8 80.7 80.9 81.5 84.5 89.7 84.8 90.0
Canadian 37.2 37.1 36.5 36.1 36.8 39.4 40.9 43.0
Colorado 62.5 62.6 62.7 63.1 65.4 64.1 59.7 64.7
Cypress 87.5 87.6 87.5 86.9 88.0 94.7 94.0 97.1
Guadalupe 95.6 95.6 95.7 96.2 98.1 63.1 60.2 67.8
Lavaca 83.2 83.2 83.2 83.9 88.5 99.0 51.1 80.4
Neches 68.6 68.7 68.9 69.6 71.7 77.4 75.6 77.2
Nueces 38.6 38.6 38.8 39.3 41.7 15.9 8.0 12.4
Red 82.6 82.6 82.7 83.4 87.1 93.3 89.5 93.0
Rio Grande 30.7 30.7 30.7 30.7 32.1 28.6 26.8 28.0
Sabine 85.6 85.8 85.9 86.7 88.8 95.7 89.9 89.4
San Antonio 28.5 28.5 28.6 28.8 29.8 9.0 3.9 5.8
San Jacinto 94.3 94.3 94.4 95.1 95.1 99.4 95.5 98.0
Sulphur 78.5 78.6 78.7 79.6 83.6 92.9 83.0 89.2
Trinity 84.3 84.4 84.6 85.5 88.6 96.6 95.0 94.6
*

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 80.8 2,900,618 2,888,862 3,576,076
Canadian 37.2 246,870 208,456 561,066
Colorado 62.5 2,570,320 2,513,185 4,019,576
Cypress 87.5 590,961 494,692 565,174
Guadalupe 95.6 391,741 391,670 409,821
Lavaca 83.2 137,494 132,281 158,975
Neches 68.6 2,416,299 2,387,023 3,477,212
Nueces 38.6 354,645 354,366 918,882
Red 82.6 3,207,755 2,044,270 2,474,646
Rio Grande 30.7 1,273,264 1,081,080 3,520,940
Sabine 85.6 5,259,073 3,311,517 3,868,328
San Antonio 28.5 72,630 72,630 254,823
San Jacinto 94.3 522,324 518,496 549,895
Sulphur 78.5 465,765 313,403 399,063
Trinity 84.3 5,793,246 5,716,057 6,776,855
**

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