Dallas Area Reservoirs: Monitored Water Supply Reservoirs are 97.8% full on 2026-04-21
Historical Data
| Date | Percent Full |
Reservoir Storage (acre-ft) |
Conservation Storage (acre-ft) |
Conservation Capacity (acre-ft) |
|
|---|---|---|---|---|---|
| Today | 2026-04-21 | 97.8 | 3,850,201 | 3,755,500 | 3,841,548 |
| Yesterday | 2026-04-20 | 97.8 | 3,852,691 | 3,756,525 | 3,841,548 |
| 2 days ago | 2026-04-19 | 97.8 | 3,859,808 | 3,758,404 | 3,841,548 |
| 1 week ago | 2026-04-14 | 97.8 | 3,865,724 | 3,757,498 | 3,841,548 |
| 1 month ago | 2026-03-21 | 97.2 | 3,815,658 | 3,734,840 | 3,841,548 |
| 3 months ago | 2026-01-21 | 92.5 | 3,622,623 | 3,552,334 | 3,841,548 |
| 6 months ago | 2025-10-21 | 92.5 | 3,623,761 | 3,553,472 | 3,841,548 |
| 1 year ago | 2025-04-21 | 98.6 | 3,889,888 | 3,785,961 | 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 |
|
88.0 | 400.16 | -2.84 | 564,830 | 533,387 | 606,088 | 24,309 |
| Grapevine |
|
100.0 | 536.02 | 1.02 | 169,920 | 163,064 | 163,064 | - n.a. - |
| Lavon |
|
100.0 | 492.44 | 0.44 | 421,737 | 409,757 | 409,757 | 20,900 |
| Lewisville |
|
100.0 | 522.08 | 0.08 | 601,064 | 563,228 | 563,228 | - n.a. - |
| Ray Hubbard |
|
99.8 | 435.46 | -0.04 | 438,724 | 438,724 | 439,559 | 20,897 |
| Ray Roberts |
|
100.0 | 632.72 | 0.22 | 794,745 | 788,167 | 788,167 | - n.a. - |
| Tawakoni |
|
98.6 | 437.16 | -0.34 | 859,181 | 859,173 | 871,685 | 36,598 |