Dallas Area Reservoirs: Monitored Water Supply Reservoirs are 97.8% full on 2026-05-08
Historical Data
| Date | Percent Full |
Reservoir Storage (acre-ft) |
Conservation Storage (acre-ft) |
Conservation Capacity (acre-ft) |
|
|---|---|---|---|---|---|
| Most recent | 2026-05-08 | 97.8 | 3,835,661 | 3,758,107 | 3,841,548 |
| 1 day prior | 2026-05-07 | 97.9 | 3,837,702 | 3,759,944 | 3,841,548 |
| 2 days prior | 2026-05-06 | 98.0 | 3,843,348 | 3,763,063 | 3,841,548 |
| 1 week prior | 2026-05-01 | 98.1 | 3,861,015 | 3,768,188 | 3,841,548 |
| 1 month prior | 2026-04-08 | 97.9 | 3,904,580 | 3,759,572 | 3,841,548 |
| 3 months prior | 2026-02-08 | 92.8 | 3,636,432 | 3,566,143 | 3,841,548 |
| 6 months prior | 2025-11-08 | 93.0 | 3,641,672 | 3,571,383 | 3,841,548 |
| 1 year prior | 2025-05-08 | 100.0 | 4,292,074 | 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.
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 |
|
88.7 | 400.33 | -2.67 | 568,976 | 537,533 | 606,088 | 24,463 |
| Grapevine |
|
100.0 | 535.24 | 0.24 | 164,654 | 163,064 | 163,064 | - n.a. - |
| Lavon |
|
100.0 | 492.17 | 0.17 | 416,111 | 409,757 | 409,757 | 20,715 |
| Lewisville |
|
100.0 | 522.08 | 0.08 | 601,064 | 563,228 | 563,228 | - n.a. - |
| Ray Hubbard |
|
99.4 | 435.38 | -0.12 | 437,055 | 437,055 | 439,559 | 20,798 |
| Ray Roberts |
|
99.8 | 632.44 | -0.06 | 786,790 | 786,467 | 788,167 | 28,440 |
| Tawakoni |
|
98.8 | 437.21 | -0.29 | 861,011 | 861,003 | 871,685 | 36,654 |