Cypress River Basin Reservoirs: Monitored Water Supply Reservoirs are 96.7% full on 2026-05-18
Historical Data
| Date | Percent Full |
Reservoir Storage (acre-ft) |
Conservation Storage (acre-ft) |
Conservation Capacity (acre-ft) |
|
|---|---|---|---|---|---|
| Today | 2026-05-18 | 96.7 | 659,985 | 546,649 | 565,174 |
| Yesterday | 2026-05-17 | 96.8 | 660,642 | 547,064 | 565,174 |
| 2 days ago | 2026-05-16 | 96.9 | 662,126 | 547,832 | 565,174 |
| 1 week ago | 2026-05-11 | 97.3 | 666,846 | 549,681 | 565,174 |
| 1 month ago | 2026-04-18 | 96.8 | 668,946 | 547,012 | 565,174 |
| 3 months ago | 2026-02-18 | 94.9 | 659,581 | 536,599 | 565,174 |
| 6 months ago | 2025-11-18 | 94.9 | 647,860 | 536,454 | 565,174 |
| 1 year ago | 2025-05-18 | 99.2 | 790,255 | 560,479 | 565,174 |
*
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 |
|
96.0 | 336.62 | -0.88 | 195,402 | 184,671 | 192,417 | 8,716 |
| Caddo 1 |
|
100.0 | 168.68 | 0.18 | 132,503 | 29,898 | 29,898 | 27,132 |
| Cypress Springs |
|
97.0 | 377.38 | -0.62 | 64,766 | 64,766 | 66,756 | 3,187 |
| Lake O' the Pines |
|
99.1 | 228.38 | -0.12 | 239,252 | 239,252 | 241,363 | 17,553 |
| Monticello |
|
80.8 | 336.45 | -3.55 | 28,062 | 28,062 | 34,740 | 1,680 |
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.