Dallas Area Reservoirs: Monitored Water Supply Reservoirs are 86.3% full on 2026-10-21

Historical Data

Date Percent Full Reservoir Storage
(acre-ft)
Conservation Storage
(acre-ft)
Conservation Capacity
(acre-ft)
Today 2026-10-21 86.3 3,386,968 3,316,679 3,841,548
Yesterday 2026-10-20 86.4 3,387,537 3,317,248 3,841,548
2 days ago 2026-10-19 86.5 3,392,236 3,321,947 3,841,548
1 week ago 2026-10-14 87.2 3,420,952 3,350,663 3,841,548
1 month ago 2026-09-21 87.6 3,433,994 3,363,705 3,841,548
3 months ago 2026-07-21 97.9 3,834,901 3,760,151 3,841,548
6 months ago 2026-04-21 97.8 3,853,054 3,756,092 3,841,548
1 year ago 2025-10-21 92.5 3,623,761 3,553,472 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)
Forkas of 2026-10-20 Water Supply 80.1 398.13 -4.87 516,680 485,237 606,088 23,189
Grapevineas of 2026-10-20 Water Supply and Flood Control 91.6 532.85 -2.15 149,401 149,401 163,064 6,149
Lavon Water Supply and Flood Control 79.4 487.72 -4.28 328,084 325,243 409,757 18,744
Lewisvilleas of 2026-10-20 Water Supply and Flood Control 82.3 518.14 -3.86 499,428 463,754 563,228 24,471
Ray Hubbard Water Supply 84.0 431.98 -3.52 369,235 369,235 439,559 19,390
Ray Robertsas of 2026-10-20 Water Supply and Flood Control 94.0 630.80 -1.70 741,188 740,865 788,167 27,315
Tawakonias of 2026-10-20 Water Supply 89.8 435.02 -2.48 782,952 782,944 871,685 34,771