San-Antonio River Basin Reservoirs: Monitored Water Supply Reservoirs are 29.3% 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 29.3 74,754 74,754 254,823
Yesterday 2026-09-12 29.4 74,854 74,854 254,823
2 days ago 2026-09-11 29.4 74,954 74,954 254,823
1 week ago 2026-09-06 29.6 75,482 75,482 254,823
1 month ago 2026-08-13 30.1 76,623 76,623 254,823
3 months ago 2026-06-13 3.9 9,906 9,906 254,823
6 months ago 2026-03-13 4.1 10,546 10,546 254,823
1 year ago 2025-09-13 6.1 15,502 15,502 254,823
*

 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)
Medina Water Supply 29.3 1,021.34 -42.86 74,754 74,754 254,823 2,500