Dallas Area Reservoirs: Monitored Water Supply Reservoirs are 99.0% full on 2025-07-28

Historical Data

Date Percent Full Reservoir Storage
(acre-ft)
Conservation Storage
(acre-ft)
Conservation Capacity
(acre-ft)
Today 2025-07-28 99.0 3,876,969 3,803,761 3,840,521
Yesterday 2025-07-27 99.1 3,879,880 3,806,139 3,840,521
2 days ago 2025-07-26 99.3 3,886,943 3,812,402 3,840,521
1 week ago 2025-07-21 99.8 3,914,383 3,833,549 3,840,521
1 month ago 2025-06-28 100.0 4,015,996 3,839,059 3,840,521
3 months ago 2025-04-28 99.0 3,924,796 3,803,428 3,840,521
6 months ago 2025-01-28 93.0 3,640,470 3,570,181 3,840,521
1 year ago 2024-07-28 99.7 4,032,704 3,828,862 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 100.0 403.11 0.11 639,423 605,061 605,061 - n.a. -
Grapevine Water Supply and Flood Control 99.6 534.90 -0.10 162,405 162,405 163,064 6,575
Lavon Water Supply and Flood Control 98.0 491.60 -0.40 404,386 401,545 409,757 20,440
Lewisville Water Supply and Flood Control 98.4 521.66 -0.34 589,757 554,083 563,228 26,765
Ray Hubbard Water Supply 97.9 435.06 -0.44 430,455 430,455 439,559 20,481
Ray Roberts Water Supply and Flood Control 99.2 632.29 -0.21 782,547 782,224 788,167 28,225
Tawakoni Water Supply 99.6 437.40 -0.10 867,996 867,988 871,685 36,890