Dallas Area Reservoirs: Monitored Water Supply Reservoirs are 94.2% full on 2025-12-18
Historical Data
| Date | Percent Full |
Reservoir Storage (acre-ft) |
Conservation Storage (acre-ft) |
Conservation Capacity (acre-ft) |
|
|---|---|---|---|---|---|
| Today | 2025-12-18 | 94.2 | 3,688,852 | 3,617,482 | 3,840,521 |
| Yesterday | 2025-12-17 | 94.1 | 3,686,126 | 3,615,026 | 3,840,521 |
| 2 days ago | 2025-12-16 | 94.1 | 3,685,182 | 3,614,353 | 3,840,521 |
| 1 week ago | 2025-12-11 | 94.4 | 3,698,795 | 3,625,153 | 3,840,521 |
| 1 month ago | 2025-11-18 | 92.1 | 3,607,319 | 3,537,030 | 3,840,521 |
| 3 months ago | 2025-09-18 | 95.1 | 3,724,223 | 3,653,934 | 3,840,521 |
| 6 months ago | 2025-06-18 | 100.0 | 4,207,149 | 3,840,521 | 3,840,521 |
| 1 year ago | 2024-12-18 | 89.5 | 3,507,569 | 3,437,280 | 3,840,521 |
*
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 |
|
88.6 | 400.27 | -2.73 | 567,495 | 536,052 | 605,061 | 24,316 |
| Grapevine |
|
99.8 | 534.96 | -0.04 | 162,800 | 162,800 | 163,064 | 6,654 |
| Lavon |
|
89.7 | 489.91 | -2.09 | 370,344 | 367,503 | 409,757 | 19,767 |
| Lewisville |
|
100.0 | 522.04 | 0.04 | 599,983 | 563,228 | 563,228 | - n.a. - |
| Ray Hubbard |
|
93.8 | 434.17 | -1.33 | 412,432 | 412,432 | 439,559 | 20,068 |
| Ray Roberts |
|
96.7 | 631.58 | -0.92 | 762,671 | 762,348 | 788,167 | 27,773 |
| Tawakoni |
|
93.3 | 435.88 | -1.62 | 813,127 | 813,119 | 871,685 | 35,417 |