Dallas Area Reservoirs: Monitored Water Supply Reservoirs are 97.8% full on 2026-04-20

Historical Data

Date Percent Full Reservoir Storage
(acre-ft)
Conservation Storage
(acre-ft)
Conservation Capacity
(acre-ft)
Most recent 2026-04-20 97.8 3,853,704 3,756,768 3,841,548
1 day prior 2026-04-19 97.8 3,859,808 3,758,404 3,841,548
2 days prior 2026-04-18 97.9 3,865,502 3,759,748 3,841,548
1 week prior 2026-04-13 97.8 3,869,495 3,758,108 3,841,548
1 month prior 2026-03-20 97.2 3,816,633 3,735,045 3,841,548
3 months prior 2026-01-20 92.5 3,623,207 3,552,918 3,841,548
6 months prior 2025-10-20 92.5 3,624,977 3,554,688 3,841,548
1 year prior 2025-04-20 98.4 3,881,708 3,778,363 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 2026-04-20 Water Supply 88.1 400.18 -2.82 565,316 533,873 606,088 24,327
Grapevineas of 2026-04-20 Water Supply and Flood Control 100.0 536.16 1.16 170,881 163,064 163,064 - n.a. -
Lavonas of 2026-04-20 Water Supply and Flood Control 100.0 492.46 0.46 422,155 409,757 409,757 20,908
Lewisvilleas of 2026-04-20 Water Supply and Flood Control 100.0 522.08 0.08 601,064 563,228 563,228 - n.a. -
Ray Hubbardas of 2026-04-20 Water Supply 99.9 435.48 -0.02 439,141 439,141 439,559 20,922
Ray Robertsas of 2026-04-20 Water Supply and Flood Control 100.0 632.75 0.25 795,601 788,167 788,167 - n.a. -
Tawakonias of 2026-04-20 Water Supply 98.6 437.17 -0.33 859,546 859,538 871,685 36,609