Sulphur River Basin Reservoirs: Monitored Water Supply Reservoirs are 92.2% full on 2026-07-15

Historical Data

Date Percent Full Reservoir Storage
(acre-ft)
Conservation Storage
(acre-ft)
Conservation Capacity
(acre-ft)
Today 2026-07-15 92.2 616,662 368,107 399,063
Yesterday 2026-07-14 92.2 618,601 367,938 399,063
2 days ago 2026-07-13 92.2 623,127 367,938 399,063
1 week ago 2026-07-08 92.4 663,741 368,610 399,063
1 month ago 2026-06-15 91.9 576,799 366,751 399,063
3 months ago 2026-04-15 85.8 443,165 342,520 399,063
6 months ago 2026-01-15 80.3 424,732 320,427 399,063
1 year ago 2025-07-15 99.7 626,022 397,841 399,063
*

 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 88.0 438.23 -1.77 263,542 227,767 258,723 16,980
Sulphur Springs Water Supply 100.0 459.29 0.34 18,416 17,747 17,747 - n.a. -
Wright Patman Water Supply and Flood Control 100.0 228.20 7.60 334,704 122,593 122,593 - n.a. -