Dallas Area Reservoirs: Monitored Water Supply Reservoirs are 93.2% full on 2026-08-17

Historical Data

Date Percent Full Reservoir Storage
(acre-ft)
Conservation Storage
(acre-ft)
Conservation Capacity
(acre-ft)
Today 2026-08-17 93.2 3,649,504 3,579,215 3,841,548
Yesterday 2026-08-16 93.3 3,652,961 3,582,672 3,841,548
2 days ago 2026-08-15 93.4 3,658,559 3,588,270 3,841,548
1 week ago 2026-08-10 94.4 3,697,550 3,627,261 3,841,548
1 month ago 2026-07-17 98.2 3,853,136 3,771,432 3,841,548
3 months ago 2026-05-17 98.4 3,866,565 3,781,045 3,841,548
6 months ago 2026-02-17 95.6 3,748,158 3,670,756 3,841,548
1 year ago 2025-08-17 96.6 3,779,949 3,709,660 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 85.7 399.59 -3.41 551,090 519,647 606,088 23,944
Grapevine Water Supply and Flood Control 96.6 534.14 -0.86 157,482 157,482 163,064 6,390
Lavon Water Supply and Flood Control 90.3 490.04 -1.96 372,917 370,076 409,757 19,819
Lewisville Water Supply and Flood Control 92.8 520.48 -1.52 558,619 522,945 563,228 26,034
Ray Hubbard Water Supply 92.1 433.80 -1.70 405,030 405,030 439,559 19,942
Ray Roberts Water Supply and Flood Control 97.4 631.76 -0.74 767,680 767,357 788,167 27,883
Tawakoni Water Supply 96.0 436.54 -0.96 836,686 836,678 871,685 35,983