Dallas Area Reservoirs: Monitored Water Supply Reservoirs are 96.8% full on 2026-03-31

Historical Data

Date Percent Full Reservoir Storage
(acre-ft)
Conservation Storage
(acre-ft)
Conservation Capacity
(acre-ft)
Today 2026-03-31 96.8 3,788,446 3,717,629 3,841,548
Yesterday 2026-03-30 96.8 3,790,423 3,719,606 3,841,548
2 days ago 2026-03-29 96.9 3,794,109 3,722,460 3,841,548
1 week ago 2026-03-24 97.2 3,809,759 3,732,326 3,841,548
1 month ago 2026-02-28 95.5 3,743,980 3,668,801 3,841,548
3 months ago 2025-12-31 93.6 3,666,981 3,596,692 3,841,548
6 months ago 2025-09-30 95.0 3,718,859 3,648,570 3,841,548
1 year ago 2025-03-31 98.1 3,867,461 3,768,748 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 87.2 399.97 -3.03 560,227 528,784 606,088 24,147
Grapevine Water Supply and Flood Control 100.0 535.08 0.08 163,592 163,064 163,064 - n.a. -
Lavon Water Supply and Flood Control 98.1 491.62 -0.38 404,795 401,954 409,757 20,448
Lewisville Water Supply and Flood Control 99.7 521.93 -0.07 597,012 561,338 563,228 27,020
Ray Hubbard Water Supply 99.4 435.37 -0.13 436,848 436,848 439,559 20,787
Ray Roberts Water Supply and Flood Control 100.0 632.49 -0.01 788,206 787,883 788,167 28,612
Tawakoni Water Supply 96.1 436.57 -0.93 837,766 837,758 871,685 36,010