Dallas Area Reservoirs: Monitored Water Supply Reservoirs are 96.5% full on 2026-07-30

Historical Data

Date Percent Full Reservoir Storage
(acre-ft)
Conservation Storage
(acre-ft)
Conservation Capacity
(acre-ft)
Today 2026-07-30 96.5 3,777,812 3,707,523 3,841,548
Yesterday 2026-07-29 96.6 3,782,178 3,711,889 3,841,548
2 days ago 2026-07-28 96.8 3,787,709 3,717,420 3,841,548
1 week ago 2026-07-23 97.6 3,821,918 3,749,188 3,841,548
1 month ago 2026-06-30 98.6 3,940,124 3,788,459 3,841,548
3 months ago 2026-04-30 98.1 3,865,574 3,768,801 3,841,548
6 months ago 2026-01-30 93.0 3,641,387 3,571,098 3,841,548
1 year ago 2025-07-30 98.7 3,863,823 3,792,418 3,841,548
*

 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 88.1 400.18 -2.82 565,316 533,873 606,088 24,327
Grapevine Water Supply and Flood Control 99.7 534.92 -0.08 162,537 162,537 163,064 6,601
Lavon Water Supply and Flood Control 96.5 491.29 -0.71 398,070 395,229 409,757 20,315
Lewisville Water Supply and Flood Control 97.7 521.51 -0.49 585,750 550,076 563,228 26,661
Ray Hubbard Water Supply 96.4 434.73 -0.77 423,730 423,730 439,559 20,291
Ray Roberts Water Supply and Flood Control 99.4 632.34 -0.16 783,960 783,637 788,167 28,261
Tawakoni Water Supply 98.5 437.14 -0.36 858,449 858,441 871,685 36,576