San-Antonio River Basin Reservoirs: Monitored Water Supply Reservoirs are 4.8% full on 2025-12-18

Historical Data

Date Percent Full Reservoir Storage
(acre-ft)
Conservation Storage
(acre-ft)
Conservation Capacity
(acre-ft)
Today 2025-12-18 4.8 12,334 12,334 254,823
Yesterday 2025-12-17 4.8 12,342 12,342 254,823
2 days ago 2025-12-16 4.8 12,326 12,326 254,823
1 week ago 2025-12-11 4.9 12,447 12,447 254,823
1 month ago 2025-11-18 5.1 13,044 13,044 254,823
3 months ago 2025-09-18 6.0 15,284 15,284 254,823
6 months ago 2025-06-18 2.5 6,468 6,468 254,823
1 year ago 2024-12-18 2.7 6,983 6,983 254,823
*

 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 4.8 980.04 -84.16 12,334 12,334 254,823 806