Coastal-Bend Planning Region Reservoirs: Monitored Water Supply Reservoirs are 40.8% full on 2026-09-10

Historical Data

Date Percent Full Reservoir Storage
(acre-ft) 		Conservation Storage
(acre-ft) 		Conservation Capacity
(acre-ft)
Most recent 2026-09-10 40.8 375,198 374,919 918,882
1 day prior 2026-09-09 40.9 375,678 375,399 918,882
2 days prior 2026-09-08 40.9 376,371 376,092 918,882
1 week prior 2026-09-03 41.4 380,786 380,507 918,882
1 month prior 2026-08-10 43.1 396,402 396,123 918,882
3 months prior 2026-06-10 13.7 126,509 126,230 918,882
6 months prior 2026-03-10 8.6 79,510 79,231 918,882
1 year prior 2025-09-10 13.0 119,457 119,178 918,882
*

 Percent Full is based on Conservation Storage and Conservation Capacity and doesn't account for storage in flood pool.

Area Map

recent reservoir storage 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)
Choke Canyonas of 2026-09-10 Water Supply 22.9 191.64 -28.86 151,762 151,761 662,820 10,580
Corpus Christias of 2026-09-10 Water Supply 87.1 92.29 -1.71 223,436 223,158 256,062 18,736