Dallas Area Reservoirs: Monitored Water Supply Reservoirs are 92.0% full on 2025-11-18

Historical Data

Date Percent Full Reservoir Storage
(acre-ft)
Conservation Storage
(acre-ft)
Conservation Capacity
(acre-ft)
Today 2025-11-18 92.0 3,603,035 3,532,746 3,840,521
Yesterday 2025-11-17 92.0 3,605,254 3,534,965 3,840,521
2 days ago 2025-11-16 92.1 3,609,161 3,538,872 3,840,521
1 week ago 2025-11-11 92.3 3,615,709 3,545,420 3,840,521
1 month ago 2025-10-18 92.7 3,632,368 3,562,079 3,840,521
3 months ago 2025-08-18 96.4 3,774,244 3,703,955 3,840,521
6 months ago 2025-05-18 100.0 4,161,148 3,840,521 3,840,521
1 year ago 2024-11-18 89.7 3,516,094 3,445,805 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 89.4 400.46 -2.54 572,126 540,683 605,061 24,427
Grapevine Water Supply and Flood Control 99.2 534.79 -0.21 161,683 161,683 163,064 6,545
Lavon Water Supply and Flood Control 83.8 488.68 -3.32 346,336 343,495 409,757 19,255
Lewisville Water Supply and Flood Control 93.6 520.64 -1.36 562,792 527,118 563,228 26,128
Ray Hubbard Water Supply 90.3 433.39 -2.11 396,880 396,880 439,559 19,816
Ray Roberts Water Supply and Flood Control 95.8 631.33 -1.17 755,747 755,424 788,167 27,623
Tawakoni Water Supply 92.6 435.72 -1.78 807,471 807,463 871,685 35,290