Cypress River Basin Reservoirs: Monitored Water Supply Reservoirs are 88.5% full on 2026-09-19
Historical Data
| Date | Percent Full |
Reservoir Storage (acre-ft) |
Conservation Storage (acre-ft) |
Conservation Capacity (acre-ft) |
|
|---|---|---|---|---|---|
| Today | 2026-09-19 | 88.5 | 631,535 | 517,957 | 584,975 |
| Yesterday | 2026-09-18 | 88.3 | 631,620 | 518,042 | 586,816 |
| 2 days ago | 2026-09-17 | 88.1 | 631,742 | 518,647 | 588,663 |
| 1 week ago | 2026-09-12 | 87.1 | 620,181 | 516,001 | 592,377 |
| 1 month ago | 2026-08-19 | 90.0 | 638,391 | 533,257 | 592,377 |
| 3 months ago | 2026-06-19 | 94.8 | 684,950 | 561,444 | 592,377 |
| 6 months ago | 2026-03-19 | 94.6 | 659,641 | 534,530 | 565,174 |
| 1 year ago | 2025-09-19 | 97.6 | 688,822 | 571,210 | 584,975 |
*
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 |
|
89.8 | 335.24 | -2.26 | 183,559 | 172,828 | 192,417 | 8,446 |
| Caddo 1 |
|
100.0 | 168.69 | 0.19 | 132,745 | 29,898 | 29,898 | 27,154 |
| Cypress Springs |
|
90.6 | 376.02 | -1.98 | 60,495 | 60,495 | 66,756 | 3,095 |
| Lake O' the Pines |
|
87.0 | 227.78 | -1.92 | 228,844 | 228,844 | 263,005 | 17,144 |
| Monticello |
|
74.5 | 335.13 | -4.87 | 25,892 | 25,892 | 34,740 | 1,575 |
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.