Dallas Area Reservoirs: Monitored Water Supply Reservoirs are 94.8% full on 2025-11-28

Historical Data

Date Percent Full Reservoir Storage
(acre-ft)
Conservation Storage
(acre-ft)
Conservation Capacity
(acre-ft)
Today 2025-11-28 94.8 3,726,388 3,640,411 3,840,521
Yesterday 2025-11-27 94.8 3,729,872 3,642,700 3,840,521
2 days ago 2025-11-26 94.9 3,733,751 3,646,003 3,840,521
1 week ago 2025-11-21 93.5 3,667,365 3,590,015 3,840,521
1 month ago 2025-10-28 94.2 3,686,369 3,616,080 3,840,521
3 months ago 2025-08-28 95.1 3,723,035 3,652,746 3,840,521
6 months ago 2025-05-28 100.0 4,136,145 3,840,521 3,840,521
1 year ago 2024-11-28 89.3 3,501,724 3,431,435 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 89.8 400.57 -2.43 574,816 543,373 605,061 24,492
Grapevine Water Supply and Flood Control 100.0 536.67 1.67 174,422 163,064 163,064 - n.a. -
Lavon Water Supply and Flood Control 89.3 489.83 -2.17 368,763 365,922 409,757 19,736
Lewisville Water Supply and Flood Control 100.0 522.16 0.16 603,232 563,228 563,228 - n.a. -
Ray Hubbard Water Supply 95.3 434.50 -1.00 419,074 419,074 439,559 20,193
Ray Roberts Water Supply and Flood Control 97.2 631.72 -0.78 766,565 766,242 788,167 27,858
Tawakoni Water Supply 94.0 436.06 -1.44 819,516 819,508 871,685 35,565