Dallas Area Reservoirs: Monitored Water Supply Reservoirs are 86.3% full on 2026-10-21
Historical Data
| Date | Percent Full |
Reservoir Storage (acre-ft) |
Conservation Storage (acre-ft) |
Conservation Capacity (acre-ft) |
|
|---|---|---|---|---|---|
| Today | 2026-10-21 | 86.3 | 3,386,968 | 3,316,679 | 3,841,548 |
| Yesterday | 2026-10-20 | 86.4 | 3,387,537 | 3,317,248 | 3,841,548 |
| 2 days ago | 2026-10-19 | 86.5 | 3,392,236 | 3,321,947 | 3,841,548 |
| 1 week ago | 2026-10-14 | 87.2 | 3,420,952 | 3,350,663 | 3,841,548 |
| 1 month ago | 2026-09-21 | 87.6 | 3,433,994 | 3,363,705 | 3,841,548 |
| 3 months ago | 2026-07-21 | 97.9 | 3,834,901 | 3,760,151 | 3,841,548 |
| 6 months ago | 2026-04-21 | 97.8 | 3,853,054 | 3,756,092 | 3,841,548 |
| 1 year ago | 2025-10-21 | 92.5 | 3,623,761 | 3,553,472 | 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 |
|
80.1 | 398.13 | -4.87 | 516,680 | 485,237 | 606,088 | 23,189 |
| Grapevine |
|
91.6 | 532.85 | -2.15 | 149,401 | 149,401 | 163,064 | 6,149 |
| Lavon |
|
79.4 | 487.72 | -4.28 | 328,084 | 325,243 | 409,757 | 18,744 |
| Lewisville |
|
82.3 | 518.14 | -3.86 | 499,428 | 463,754 | 563,228 | 24,471 |
| Ray Hubbard |
|
84.0 | 431.98 | -3.52 | 369,235 | 369,235 | 439,559 | 19,390 |
| Ray Roberts |
|
94.0 | 630.80 | -1.70 | 741,188 | 740,865 | 788,167 | 27,315 |
| Tawakoni |
|
89.8 | 435.02 | -2.48 | 782,952 | 782,944 | 871,685 | 34,771 |