Cypress River Basin Reservoirs: Monitored Water Supply Reservoirs are 87.7% full on 2026-09-11
Historical Data
| Date | Percent Full |
Reservoir Storage (acre-ft) |
Conservation Storage (acre-ft) |
Conservation Capacity (acre-ft) |
|
|---|---|---|---|---|---|
| Today | 2026-09-11 | 87.7 | 623,165 | 519,519 | 592,377 |
| Yesterday | 2026-09-10 | 87.2 | 619,989 | 516,604 | 592,377 |
| 2 days ago | 2026-09-09 | 87.2 | 619,384 | 516,261 | 592,377 |
| 1 week ago | 2026-09-04 | 87.7 | 622,484 | 519,623 | 592,377 |
| 1 month ago | 2026-08-11 | 91.6 | 649,602 | 542,530 | 592,377 |
| 3 months ago | 2026-06-11 | 93.7 | 670,967 | 555,010 | 592,377 |
| 6 months ago | 2026-03-11 | 94.6 | 655,396 | 534,753 | 565,174 |
| 1 year ago | 2025-09-11 | 97.9 | 697,963 | 580,106 | 592,377 |
*
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) |
|---|---|---|---|---|---|---|---|---|
| Bob Sandlin |
|
90.5 | 335.40 | -2.10 | 184,913 | 174,182 | 192,417 | 8,478 |
| Caddo 1 |
|
79.3 | 168.08 | -0.42 | 116,625 | 23,710 | 29,898 | 25,683 |
| Cypress Springs |
|
91.3 | 376.17 | -1.83 | 60,960 | 60,960 | 66,756 | 3,105 |
| Lake O' the Pines |
|
87.3 | 228.11 | -1.89 | 234,538 | 234,538 | 268,566 | 17,366 |
| Monticello |
|
75.2 | 335.28 | -4.72 | 26,129 | 26,129 | 34,740 | 1,585 |
footnotes
1
Caddo Lake straddles the border of Texas and Louisiana, Texas has rights to 50% of Lake Caddo's total conservation capacity. Percent full, conservation storage and conservation capacity are based on the Texas share.