Dallas Area Reservoirs: Monitored Water Supply Reservoirs are 89.3% full on 2026-09-10
Historical Data
| Date | Percent Full |
Reservoir Storage (acre-ft) |
Conservation Storage (acre-ft) |
Conservation Capacity (acre-ft) |
|
|---|---|---|---|---|---|
| Today | 2026-09-10 | 89.3 | 3,498,929 | 3,428,640 | 3,841,548 |
| Yesterday | 2026-09-09 | 89.4 | 3,504,267 | 3,433,978 | 3,841,548 |
| 2 days ago | 2026-09-08 | 89.6 | 3,511,989 | 3,441,700 | 3,841,548 |
| 1 week ago | 2026-09-03 | 90.2 | 3,535,782 | 3,465,493 | 3,841,548 |
| 1 month ago | 2026-08-10 | 94.4 | 3,697,471 | 3,627,182 | 3,841,548 |
| 3 months ago | 2026-06-10 | 98.8 | 4,009,439 | 3,797,120 | 3,841,548 |
| 6 months ago | 2026-03-10 | 96.7 | 3,807,994 | 3,716,517 | 3,841,548 |
| 1 year ago | 2025-09-10 | 95.9 | 3,755,910 | 3,685,621 | 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 |
|
83.2 | 398.95 | -4.05 | 535,873 | 504,430 | 606,088 | 23,615 |
| Grapevine |
|
92.6 | 533.12 | -1.88 | 151,067 | 151,067 | 163,064 | 6,195 |
| Lavon |
|
83.3 | 488.57 | -3.43 | 344,221 | 341,380 | 409,757 | 19,204 |
| Lewisville |
|
86.7 | 519.14 | -2.86 | 524,270 | 488,596 | 563,228 | 25,203 |
| Ray Hubbard |
|
86.8 | 432.62 | -2.88 | 381,711 | 381,711 | 439,559 | 19,587 |
| Ray Roberts |
|
95.2 | 631.15 | -1.35 | 750,784 | 750,461 | 788,167 | 27,517 |
| Tawakoni |
|
93.0 | 435.82 | -1.68 | 811,003 | 810,995 | 871,685 | 35,369 |