Dallas Area Reservoirs: Monitored Water Supply Reservoirs are 88.8% full on 2026-09-13

Historical Data

Date Percent Full Reservoir Storage
(acre-ft)
Conservation Storage
(acre-ft)
Conservation Capacity
(acre-ft)
Today 2026-09-13 88.8 3,482,934 3,412,645 3,841,548
Yesterday 2026-09-12 89.0 3,487,684 3,417,395 3,841,548
2 days ago 2026-09-11 89.1 3,493,359 3,423,070 3,841,548
1 week ago 2026-09-06 89.9 3,523,407 3,453,118 3,841,548
1 month ago 2026-08-13 93.8 3,673,055 3,602,766 3,841,548
3 months ago 2026-06-13 98.9 3,996,131 3,798,418 3,841,548
6 months ago 2026-03-13 97.4 3,847,182 3,742,958 3,841,548
1 year ago 2025-09-13 95.6 3,744,067 3,673,778 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 83.0 398.88 -4.12 534,221 502,778 606,088 23,580
Grapevine Water Supply and Flood Control 92.1 532.99 -2.01 150,263 150,263 163,064 6,172
Lavon Water Supply and Flood Control 82.7 488.43 -3.57 341,537 338,696 409,757 19,137
Lewisville Water Supply and Flood Control 86.1 519.00 -3.00 520,748 485,074 563,228 25,106
Ray Hubbard Water Supply 86.2 432.47 -3.03 378,776 378,776 439,559 19,544
Ray Roberts Water Supply and Flood Control 95.0 631.08 -1.42 748,859 748,536 788,167 27,476
Tawakoni Water Supply 92.8 435.75 -1.75 808,530 808,522 871,685 35,314