Dallas Area Reservoirs: Monitored Water Supply Reservoirs are 92.5% full on 2026-08-21
Historical Data
| Date | Percent Full |
Reservoir Storage (acre-ft) |
Conservation Storage (acre-ft) |
Conservation Capacity (acre-ft) |
|
|---|---|---|---|---|---|
| Today | 2026-08-21 | 92.5 | 3,624,246 | 3,553,957 | 3,841,548 |
| Yesterday | 2026-08-20 | 92.6 | 3,627,511 | 3,557,222 | 3,841,548 |
| 2 days ago | 2026-08-19 | 92.8 | 3,634,213 | 3,563,924 | 3,841,548 |
| 1 week ago | 2026-08-14 | 93.6 | 3,664,469 | 3,594,180 | 3,841,548 |
| 1 month ago | 2026-07-21 | 97.9 | 3,834,772 | 3,760,356 | 3,841,548 |
| 3 months ago | 2026-05-21 | 98.6 | 3,891,036 | 3,789,586 | 3,841,548 |
| 6 months ago | 2026-02-21 | 95.8 | 3,758,489 | 3,679,600 | 3,841,548 |
| 1 year ago | 2025-08-21 | 96.2 | 3,767,128 | 3,696,839 | 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 |
|
85.3 | 399.48 | -3.52 | 548,460 | 517,017 | 606,088 | 23,886 |
| Grapevine |
|
95.9 | 533.96 | -1.04 | 156,335 | 156,335 | 163,064 | 6,352 |
| Lavon |
|
89.2 | 489.80 | -2.20 | 368,171 | 365,330 | 409,757 | 19,725 |
| Lewisville |
|
91.8 | 520.25 | -1.75 | 552,647 | 516,973 | 563,228 | 25,901 |
| Ray Hubbard |
|
91.3 | 433.61 | -1.89 | 401,247 | 401,247 | 439,559 | 19,883 |
| Ray Roberts |
|
97.1 | 631.69 | -0.81 | 765,730 | 765,407 | 788,167 | 27,840 |
| Tawakoni |
|
95.4 | 436.40 | -1.10 | 831,656 | 831,648 | 871,685 | 35,856 |