Dallas Area Reservoirs: Monitored Water Supply Reservoirs are 98.4% 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 | 98.4 | 3,862,367 | 3,779,245 | 3,841,548 |
| Yesterday | 2026-05-17 | 98.4 | 3,865,533 | 3,780,541 | 3,841,548 |
| 2 days ago | 2026-05-16 | 98.5 | 3,869,773 | 3,782,601 | 3,841,548 |
| 1 week ago | 2026-05-11 | 98.4 | 3,873,066 | 3,778,775 | 3,841,548 |
| 1 month ago | 2026-04-18 | 97.9 | 3,864,477 | 3,759,748 | 3,841,548 |
| 3 months ago | 2026-02-18 | 95.7 | 3,757,084 | 3,677,922 | 3,841,548 |
| 6 months ago | 2025-11-18 | 92.1 | 3,607,033 | 3,536,744 | 3,841,548 |
| 1 year ago | 2025-05-18 | 100.0 | 4,162,601 | 3,841,548 | 3,841,548 |
*
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) |
|---|---|---|---|---|---|---|---|---|
| Fork |
|
90.5 | 400.77 | -2.23 | 579,828 | 548,385 | 606,088 | 24,863 |
| Grapevine |
|
99.8 | 534.96 | -0.04 | 162,800 | 162,800 | 163,064 | 6,654 |
| Lavon |
|
100.0 | 492.52 | 0.52 | 423,411 | 409,757 | 409,757 | 20,934 |
| Lewisville |
|
100.0 | 522.02 | 0.02 | 599,442 | 563,228 | 563,228 | - n.a. - |
| Ray Hubbard |
|
99.3 | 435.36 | -0.14 | 436,640 | 436,640 | 439,559 | 20,775 |
| Ray Roberts |
|
99.8 | 632.45 | -0.05 | 787,073 | 786,750 | 788,167 | 28,475 |
| Tawakoni |
|
100.0 | 437.54 | 0.04 | 873,173 | 871,685 | 871,685 | - n.a. - |