Guadalupe River Basin Reservoirs: Monitored Water Supply Reservoirs are 61.8% full on 2026-02-18

Historical Data

Date Percent Full Reservoir Storage
(acre-ft)
Conservation Storage
(acre-ft)
Conservation Capacity
(acre-ft)
Today 2026-02-18 61.8 253,217 253,146 409,821
Yesterday 2026-02-17 61.8 253,276 253,205 409,821
2 days ago 2026-02-16 61.8 253,335 253,264 409,821
1 week ago 2026-02-11 61.8 253,260 253,189 409,821
1 month ago 2026-01-18 62.2 255,022 254,951 409,821
3 months ago 2025-11-18 64.7 265,142 265,071 409,821
6 months ago 2025-08-18 70.2 287,572 287,501 409,821
1 year ago 2025-02-18 51.9 212,827 212,756 409,821
*

 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)
Canyon Water Supply and Flood Control 60.6 887.81 -21.19 229,650 229,579 378,781 5,928
Coleto Creek Water Supply 75.9 94.82 -3.18 23,567 23,567 31,040 2,204