Sulphur River Basin Reservoirs: Monitored Water Supply Reservoirs are 90.1% full on 2026-07-30

Historical Data

Date Percent Full Reservoir Storage
(acre-ft)
Conservation Storage
(acre-ft)
Conservation Capacity
(acre-ft)
Today 2026-07-30 90.1 564,789 359,579 399,063
Yesterday 2026-07-29 90.2 565,986 360,117 399,063
2 days ago 2026-07-28 90.4 567,843 360,655 399,063
1 week ago 2026-07-23 91.1 574,943 363,544 399,063
1 month ago 2026-06-30 93.0 751,531 371,278 399,063
3 months ago 2026-04-30 87.2 457,486 348,157 399,063
6 months ago 2026-01-30 79.3 424,530 316,265 399,063
1 year ago 2025-07-30 98.2 584,589 392,069 399,063
*

 Percent Full is based on Conservation Storage and Conservation Capacity and doesn't account for storage in flood pool.

Area Map

Reservoir Storage

Reservoir Type Percent Full Water Level
(ft)
Height Above Conservation Pool
(ft)
Reservoir Storage
(acre-ft)
Conservation Storage
(acre-ft)
Conservation Capacity
(acre-ft)
Surface Area
(acres)
Jim Chapman Water Supply and Flood Control 84.8 437.73 -2.27 255,124 219,349 258,723 16,692
Sulphur Springs Water Supply 99.4 458.89 -0.06 17,637 17,637 17,747 - n.a. -
Wright Patman Water Supply and Flood Control 100.0 226.95 6.35 292,028 122,593 122,593 - n.a. -