Dallas Area Reservoirs: Monitored Water Supply Reservoirs are 96.5% full on 2025-08-18

Historical Data

Date Percent Full Reservoir Storage
(acre-ft)
Conservation Storage
(acre-ft)
Conservation Capacity
(acre-ft)
Today 2025-08-18 96.5 3,774,970 3,704,681 3,840,521
Yesterday 2025-08-17 96.6 3,779,105 3,708,816 3,840,521
2 days ago 2025-08-16 96.7 3,783,216 3,712,927 3,840,521
1 week ago 2025-08-11 97.3 3,808,413 3,738,124 3,840,521
1 month ago 2025-07-18 100.0 3,934,694 3,839,059 3,840,521
3 months ago 2025-05-18 100.0 4,161,148 3,840,521 3,840,521
6 months ago 2025-02-18 98.6 3,906,381 3,786,672 3,840,521
1 year ago 2024-08-18 97.9 3,835,811 3,760,633 3,840,521
*

 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 Water Supply 98.0 402.54 -0.46 624,423 592,980 605,061 26,007
Grapevine Water Supply and Flood Control 97.7 534.43 -0.57 159,344 159,344 163,064 6,454
Lavon Water Supply and Flood Control 92.5 490.49 -1.51 381,940 379,099 409,757 20,011
Lewisville Water Supply and Flood Control 94.1 520.74 -1.26 565,408 529,734 563,228 26,187
Ray Hubbard Water Supply 95.5 434.53 -0.97 419,681 419,681 439,559 20,206
Ray Roberts Water Supply and Flood Control 97.7 631.86 -0.64 770,472 770,149 788,167 27,945
Tawakoni Water Supply 97.9 437.01 -0.49 853,702 853,694 871,685 36,438